Inertial Space Drives: Motion Rectifiers,impulse engines,
momentum transfer, non-linear propulsion, &C

  
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**[rexresearch.com](../index.htm)**

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**Mechanical
Space Drive US Patents** **(
Inertial Drives )**


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**Inertial drives, impulse engines, centrifugal &
centripetal propulsion, momentum transfer, motion rectifiers,
non-linear propulsion, translational force generators,
gyroscopic propulsion, directional force generators, &
reaction motors, &c: various names for "bootstrap" methods
& apparati that impart motion to a vehicle without reaction
with the environment.**


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**USP# 6,345,789  
Method & Apparatus for Propulsion**   
**Rasmusson, James K.**

![](6089511.gif)

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**USP# 6,290,622  
Mechanical Force Generator**   
**Murray, Lawrence D.**

![](6290622.gif)

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**USP# 6,259,177  
Motion Imparting System**   
**Deschamplain, David**

![](6259177.gif)

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**USP# 6,098,924  
Method & Apparatus for Generating Propulsive Forces**   
**Woodward, James F., *et al.***

![](6098924.gif)

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**USP# 6,089,511  
Method & Apparatus for Propulsion**   
**Rasmusson, James K.**

![](6089511.gif)

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**USP# 5,969,442  
Reaction Propulsion Motor & Apparatus for Using the Same**
  
**McKee, John M., *et al.***

![](5969442.gif)

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**USP# 5,966,986  
Propulsion System**   
**Laul, Virgil R.**

![](5966986.gif)

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**USP# 5,937,698  
Centrifugal Propulsion System**   
**Kunz, William T.**

![](5937698.gif)

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**USP# 5,890,400  
Apparatus for Generating a Propulsion Force**   
**Oades, Ross A.**

![](5890400.gif)

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**USP# 5,860,317  
Gyroscopic Propulsion System**   
**Laithwaite, Eric R. & Dawson, Wm.**

![](5860317.gif)

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**USP# 5,831,354  
Bootstrap Propulsion System**   
**Stopplecamp, Timothy J.**

![](5831354.gif)

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**USP# 5,791,188  
Propulsion System**   
**Howard, George J.**

![](5791188.gif)

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**USP# 5,782,134  
Electromagnetically Actuated Thrust Generator**   
**Bouden, James D.**

![](5782134.gif)

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**USP# 5,685,196  
Inertial Propulsion Plus Device & Engine**   
**Foster, Richard E.:**

![](5685196.gif)

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**USP# 5,673,872  
Apparatus for Energy Transformation & Conservation**   
**Shimshi, Ezra:**

![](5673872.gif)

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**USP# 5,557,988  
Centripetally Impelled Vehicle**   
**Claxton, John C.**

![](5557988.gif)

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**USP# 5,488,877  
Centrifugal Inertia Drive**   
**Lieurance, Richard L.**

![](5488877.gif)

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**USP# 5,473,957  
Steerable Translational Force, &c.**   
**Navarro, Thomas L.**

![](5473957.gif)

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**USP# 5,427,330  
Sphereroll**   
**Shimshi, Ezra**

![](5427330.gif)

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**USP# 5,410,198  
Propulsion System**   
**Butka, Kemal**

![](5410198.gif)

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**USP# 5,388,470  
Centrifugal Force Drive Machine**   
**Marsh, Richard O., Jr.**

![](5388470.gif)

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**USP# 5,388,469  
Rotating Eccentric Weights Vibrator System**   
**Woltering, Howard M.**

![](5388469.gif)

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**USP# 5,335,561  
Impulse Converter**   
**Harvey, James**

![](5335561.gif)

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**USP# 5,334,060  
Propulsion System**   
**Butka, Kemal**

![](5334060.gif)

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**USP# 5,313,851  
Reusable Mass Propulsion System**   
**Hull, Harold L & Joslin, Donald E.**

![](5313851.gif)

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**USP# 5,182,958  
Non-Linear Propulsion & Energy Conversion System**   
**Black, James W.**

![](5182958.gif)

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**USP# 5,167,163  
Energy Transfer Device**   
**McMahon, John C.**

![](5167163.gif)

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**USP# 5,156,058  
Converting Rotary Motion to Lineal Motion**   
**Bristow, Theodore R., Jr.**

![](5156058.gif)

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**USP# 5,150,626  
Translational Force Generator**   
**Isaacson, J. D. & Navarro, T. L.**

![](5150626.gif)

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**USP# 5,111,087  
Propulsion System**   
**Butka, Kemal**

![](5111087.gif)

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**USP# 5,090,260Gyrostat Propulsion System**   
**Delroy, M. S.& Delroy M.**

![](5090260.gif)

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**USP# 5,054,331  
Controllable Gyroscopic Propulsion Apparatus**   
**Rodgers, A. T.**

![](5054331.gif)

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**USP# 5,042,313  
Conversion of Rotational Output to Linear Force**   
**Montalbano, Paul J.**

![](5042313.gif)

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**USP# 5,024,112  
Gyroscopic Apparatus**   
**Kidd, Alexander D.**

![](5024112.gif)

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**USP# 4,991,453  
Centripedal Device for Concentrating Centrifugal Force**   
**Mason, Lyle M.**

![](4991453.gif)

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**USP# 4,884,465  
Centripedal Device for Concentrating Centrifugal Force**   
**Zachystal, George J.**

![](4884465.gif)

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**USP# 4,856,358  
Conversion of Rotational Output to Linear Force**   
**Montalbano, Paul J.**

![](4856358.gif)

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**USP# 4,801,111  
System for Propulsion & Positioning**   
**Rogers, Charles E.,  *et al.***

![](4801111a.gif)

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**USP# 4,788,882  
Flywheel**   
**Fulop, Charles**

![](4788882a.gif)

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**USP# 4,784,006  
Gyroscopic Propulsion Device**   
**Kethley, Lancelot I.**

![](4784006a.gif)

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**USP# 4,770,063  
Universal Propulsion Powerplant & Impulse Drive Unit**   
**Mundo, James D.**

![](4770063a.gif)

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**USP# 4,744,259  
Apparatus for Producing a Directional Unit Force**   
**Peterson, Oscar F. A.**

![](4744259a.gif)

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**USP# 4,726,241  
Continuous Force & Impact Generator**   
**Melnick, Harry S.**

![](4726241a.gif)

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**USP# 4,712,439  
Apparatus for Producing a Force**   
**North, Henry**

![](4712439a.gif)

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**USP# 4,674,583  
Impulse Drive**   
**Peppiatt, Alvin C., *et al.***

![](4674583a.gif)

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**USP# 4,631,971  
Apparatus for Developing a Propulsive Force**   
**Thornson, Brandson R.**

![](4631971a.gif)

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**USP# 4,579,011  
Propulsion Apparatus**   
**Dobos, Elmer M.**

![](4579011a.gif)

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**USP# 4,577,520  
Mechanical Propulsion System**   
**Colla, Joseph**

![](4577520a.gif)

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**USP# 4,479,396  
Propulsion System**   
**de Weaver, Fred, III**

![](4479396a.gif)

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**USP# 4,409,856  
Propulsion System**   
**de Weaver, Fred, III:**

![](4409856a.gif)

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**USP# 4,398,431  
Mechanical Power Transmitting System**   
**Melnick, Harry S.**

![](4398431a.gif)

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**USP# 4,347,752  
Converting Rotary Motion to a Rectilinear Force**   
**Dehen, Frederick L.**

![](4347752a.gif)

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**USP# 4,261,212  
Unidirectional Force Generator**   
**Melnick, Harry S.**

![](4261212a.gif)

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**USP# 4,242,918  
Mechanical Propulsion System**   
**Srogi, Ladislaw G.**

![](4242918a.gif)

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**USP# 4,238,968  
Conversion of Centrifugal Force to Linear Force & Motion**
  
**Cook, Robert L.**

![](4238968a.gif)

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**USP# 4,095,460  
Converting Rotary Motion into Unidirectional Motion**   
**Cuff, Calvin I.**

![](4095460a.gif)

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**USP# 4,087,064  
Orbital Propulsion Apparatus**   
**Knap, George**

![](4087064a.gif)

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**USP# 3,998,107  
Converting Rotary Motion into a Unidirectional Linear Motion**
  
**Cuff, Calvin I.**

![](3998107a.gif)

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**USP# 3,979,96  
Propelling an Object by an Unbalanced Centrifugal Force...**
  
**Schnur, Nicholas J.**

![](3979961a.gif)

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**USP# 3,968,700  
Converting Rotary Motion into a Unidirectional Linear Motion**
  
**Cuff, Calvin I.**

![](3968700a.gif)

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**USP# 3,916,704  
Vibratory Motion**   
**Gaberson, Howard A.**

![](3916704a.gif)

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**USP# 3,897,692  
Centrifugal Propulsion Drive & Steering Mechanism**   
**Lehberger, Arthur N.**

![](3897692a.gif)

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**USP# 3,889,543  
Propulsion System**   
**Mast, Oscar**

![](3889543a.gif)

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**USP# 3,863,510  
Inertia Engine**   
**Benson, Everett H.**

![](3863510a.gif)

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**USP# 3,810,394  
Centrifugal Mechanical Device**   
**Novak, Leo J.**

![](3810394a.gif)

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**USP# 3,807,244  
Device for Transforming Kinetic Energy**   
**Estrade, Fernand**

![](3807244a.gif)

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**USP# 3,756,086  
Propulsion System**   
**McAlister, Roy E., *et al.***

![](3756086a.gif)

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**USP# 3,750,484  
Centrifugal Thrust Motor**   
**Benjamin, Paul M.**

![](3750484a.gif)

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**USP# 3,683,707  
Propulsion System**   
**Cook, Robert L.**

![](3683707a.gif)

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**USP# 3,653,269  
Converting Rotary Motion into Unidirectional Motion**   
**Foster, Richard E.**

![](3653269a.gif)

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**USP# 3,584,515  
Propulsion Apparatus**   
**Matyas, Laszlo B.**

![](3584515a.gif)

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**USP# 3,555,915  
Directional Force Generator**   
**Young, Hersey W., Jr.**

![](3555915a.gif)

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**USP# 3,530,617  
Vibration Driven Vehicle**   
**Halvorson, Earle M., *et al.***

![](3530617a.gif)

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**USP# 3,495,791  
Effecting Electro-Mechanical Energy  Interchange...**   
**Drell, Sidney D., *et al.***

![](3495791a.gif)

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**USP# 3,492,881  
Prime Mover**   
**Auweele, Albert J. v.**

![](3492881a.gif)

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**USP# 3,404,854  
Apparatus for Imparting Motion to a Body**   
**di Bella, Alfio**

![](3404854a.gif)

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**USP# 3,266,233  
Inertia Propulsion Device**   
**Farrall, Arthur W.**

![](3266233a.gif)

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**USP# 3,238,714  
Thrust Motor**   
**Schur, George O.**

![](3238714a.gif)

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**USP# 3,203,644  
Gyroscopic Inertial Space Drive**   
**Kellogg, H. Dudley**

![](3203644a.gif)

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**USP# 3,196,580  
Toy Vehicle Having... Self-Contained Drive Means**   
**Rakestraw, Robert G.**

![](3196580a.gif)

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**USP# 3,182,517  
Variable Oscillation System**   
**Dean, Norman L.**

![](3182517a.gif)

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**USP# 3,177,660  
Propulsion Apparatus**   
**Haller, Paul**

![](3177660a.gif)

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**USP# 2,886,976  
System for Converting Rotary Motion into Unidirectional Motion**
  
**Dean, Norman L.**

![](2886976a.gif)

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**USP# 2,636,340  
Direct Push Propulsion Unit**   
**Llamozas, Juan D. M.**

![](2636340a.gif)

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**USP# 2,639,777  
Method & Device for Imparting Lateral Movement**   
**Dull, Marshall L.**

![](2639777a.gif)

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**USP# 2,350,248  
Device for Obtaining Directional Force from Rotary Motion**
  
**Nowlin, Aubrey C.**

![](2350248a.gif)

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**USP# 2,088,115  
Reaction Motor**   
**Neff, Tom**

![](2088115a.gif)



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**USP# 2,009,780  
Centrifugal Variable Thrust Mechanism**   
**Laskowitz, Isidor B.**

![](2009780a.gif)

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**USP# 1,953,964  
Centrifugal Variable Thrust Mechanism**   
**Laskowitz, Isidor B.**

![](1953964a.gif)

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**USP# 1,511,960  
Propulsion of Vehicles**   
**Goldschmidt, Rudolf**

![](1511960a.gif)

  


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