Various Inertial Drives
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 & apparatus that impart motion to a vehicle without reaction with the environment.
Read On!
USP# 6,345,789 (2-12-02): Method & Apparatus for Propulsion
Rasmusson, James K. 
USP# 6,290,622 (7-18-01): Mechanical Force Generator
Murray, Lawrence D.
USP# 6,259,177 (7/10/01): Motion Imparting System
Deschamplain, David
USP# 6,098,924 (7/18/00): Method & Apparatus for Generating Propulsive Forces
Woodward, James F., et al.
USP# 6,089,511 (7/18/00): Method & Apparatus for Propulsion
Rasmusson, James K.
USP# 5,969,442 (10/19/99): Reaction Propulsion Motor & Apparatus for Using the Same
McKee, John M., et al.
USP# 5,966,986 (10/19/99): Propulsion System
Laul, Virgil R.
USP# 5,937,698 (8/17/99): Centrifugal Propulsion System
Kunz, William T.
USP# 5,890,400 (4/06/99): Apparatus for Generating a Propulsion Force
Oades, Ross A.
USP# 5,860,317 (1/19/99): Gyroscopic Propulsion System
Laithwaite, Eric R. & Dawson, Wm.
USP# 5,831,354 (11/03/98): Bootstrap Propulsion System
Stopplecamp, Timothy J.
USP# 5,791,188 (8/11/98): Propulsion System
Howard, George J.
USP# 5,782,134 (7/21/98): Electromagnetically Actuated Thrust Generator
Bouden, James D.
USP# 5,685,196 (11/11/97): Inertial Propulsion Plus Device & Engine
Foster, Richard E.:
USP# 5,673,872 (10/7/97): Apparatus for Energy Transformation & Conservation
Shimshi, Ezra:
USP# 5,557,988 (9/24/96): Centripetally Impelled Vehicle
Claxton, John C.
USP# 5,488,877 (2/6/96): Centrifugal Inertia Drive
Lieurance, Richard L.
USP# 5,473,957 (12/12/95): Steerable Translational Force, &c.
Navarro, Thomas L.
USP# 5,427,330 (6/27/95): Sphereroll
Shimshi, Ezra
USP# 5,410,198 (4/25/95): Propulsion System
Butka, Kemal
USP# 5,388,470 (2/14/95): Centrifugal Force Drive Machine
Marsh, Richard O., Jr.
USP# 5,388,469 (2/14/95): Rotating Eccentric Weights Vibrator System
Woltering, Howard M.
USP# 5,335,561 (8/9/94): Impulse Converter
Harvey, James
USP# 5,334,060 (8/2/94): Propulsion System
Butka, Kemal
USP# 5,313,851 (5/24/94): Reusable Mass Propulsion System
Hull, Harold L & Joslin, Donald E.
USP# 5,182,958 (2/2/93): Non-Linear Propulsion & Energy Conversion System
Black, James W.
USP# 5,167,163 (12/1/92): Energy Transfer Device
McMahon, John C.
USP# 5,156,058: Converting Rotary Motion to Lineal Motion
Bristow, Theodore R., Jr.
USP# 5,150,626 (9/29/92): Translational Force Generator
Isaacson, J. D. & Navarro, T. L.
USP# 5,111,087 (5/5/92): Propulsion System
Butka, Kemal
USP# 5,090,260 (2/25/92): Gyrostat Propulsion System
Delroy, M. S.& Delroy M.
USP# 5,054,331 (10/8/91): Controllable Gyroscopic Propulsion Apparatus
Rodgers, A. T.
USP# 5,042,313 (8/27/91): Conversion of Rotational Output to Linear Force
Montalbano, Paul J.
USP# 5,024,112 (6/18/91): Gyroscopic Apparatus
Kidd, Alexander D.
USP# 4,991,453 (2/12/91): Centripedal Device for Concentrating Centrifugal Force
Mason, Lyle M.
USP# 4,884,465 (12/5/89): Centripedal Device for Concentrating Centrifugal Force
Zachystal, George J.
USP# 4,856,358 (8/15/89): Conversion of Rotational Output to Linear Force
Montalbano, Paul J.
USP# 4,801,111 (1/31/89): System for Propulsion & Positioning
Rogers, Charles E., et al.
USP# 4,788,882 (12/6/88): Flywheel
Fulop, Charles
USP# 4,784,006 (11/15/88): Gyroscopic Propulsion Device
Kethley, Lancelot I.
USP# 4,770,063 (9/13/88): Universal Propulsion Powerplant & Impulse Drive Unit
Mundo, James D.
USP# 4,744,259 (5/17/88): Apparatus for Producing a Directional Unit Force
Peterson, Oscar F. A.
USP# 4,726,241 (2/23/88): Continuous Force & Impact Generator
Melnick, Harry S.
USP# 4,712,439 (12/15/87): Apparatus for Producing a Force
North, Henry
USP# 4,674,583 (6/23/87): Impulse Drive
Peppiatt, Alvin C., et al.
USP# 4,631,971 (12/30/86): Apparatus for Developing a Propulsive Force
Thornson, Brandson R.
USP# 4,579,011 (3/1/86): Propulsion Apparatus
Dobos, Elmer M.
USP# 4,577,520 (3/25/86): Mechanical Propulsion System
Colla, Joseph
USP# 4,479,396 (10/30/84): Propulsion System
de Weaver, Fred, III
USP# 4,409,856 (10/18/83): Propulsion System
de Weaver, Fred, III:
USP# 4,398,431 (8/16/83): Mechanical Power Transmitting System
Melnick, Harry S.
USP# 4,347,752 (9/7/82): Converting Rotary Motion to a Rectilinear Force
Dehen, Frederick L.
USP# 4,261,212 (4/14/81): Unidirectional Force Generator
Melnick, Harry S.
USP# 4,242,918 (1/6/81): Mechanical Propulsion System
Srogi, Ladislaw G.
USP# 4,238,968 (12/16/80): Conversion of Centrifugal Force to Linear Force & Motion
Cook, Robert L.
USP# 4,095,460 (6/20/78): Converting Rotary Motion into Unidirectional Motion
Cuff, Calvin I.
USP# 4,087,064 (5/2/78): Orbital Propulsion Apparatus
Knap, George
USP# 3,998,107 (12/21/76): Converting Rotary Motion into a Unidirectional Linear Motion
Cuff, Calvin I.
USP# 3,979,961 (9/14/76): Propelling an Object by an Unbalanced Centrifugal Force…
Schnur, Nicholas J.
USP# 3,968,700 (7/13/76): Converting Rotary Motion into a Unidirectional Linear Motion
Cuff, Calvin I.
USP# 3,916,704 (11/4/75): Vibratory Motion
Gaberson, Howard A.
USP# 3,897,692 (8/5/75): Centrifugal Propulsion Drive & Steering Mechanism
Lehberger, Arthur N.
USP# 3,889,543 (6/17/75): Propulsion System
Mast, Oscar
USP# 3,863,510 (2/4/75): Inertia Engine
Benson, Everett H.
USP# 3,810,394 (5/14/74): Centrifugal Mechanical Device
Novak, Leo J.
USP# 3,807,244 (4/30/74): Device for Transforming Kinetic Energy
Estrade, Fernand
USP# 3,756,086 (9/4/73): Propulsion System
McAlister, Roy E., et al.
USP# 3,750,484 (8/7/73): Centrifugal Thrust Motor
Benjamin, Paul M.
USP# 3,683,707 (8/15/72): Propulsion System
Cook, Robert L.
USP# 3,653,269 (4/4/72): Converting Rotary Motion into Unidirectional Motion
Foster, Richard E.
USP# 3,584,515 (6/15/71): Propulsion Apparatus
Matyas, Laszlo B.
USP# 3,555,915 (1/19/71): Directional Force Generator
Young, Hersey W., Jr.
USP# 3,530,617 (9/29/70): Vibration Driven Vehicle
Halvorson, Earle M., et al.
USP# 3,495,791 (2/17/70): Effecting Electro-Mechanical Energy Interchange…
Drell, Sidney D., et al.
USP# 3,492,881 (2/3/70): Prime Mover
Auweele, Albert J. v.
USP# 3,404,854 (10/8/68): Apparatus for Imparting Motion to a Body
di Bella, Alfio
USP# 3,266,233 (8/16/66): Inertia Propulsion Device
Farrall, Arthur W.
USP# 3,238,714 (3/8/66): Thrust Motor
Schur, George O.
USP# 3,203,644 (8/31/65): Gyroscopic Inertial Space Drive
Kellogg, H. Dudley
USP# 3,196,580 (7/27/65): Toy Vehicle Having… Self-Contained Drive Means
Rakestraw, Robert G.
USP# 3,182,517 (5/11/65): Variable Oscillation System
Dean, Norman L.
USP# 3,177,660 (4/13/65): Propulsion Apparatus
Haller, Paul
USP# 2,886,976 (5/19/59): System for Converting Rotary Motion into Unidirectional Motion
Dean, Norman L.
USP# 2,636,340 (4/28/53): Direct Push Propulsion Unit
Llamozas, Juan D. M.
USP# 2,639,777 (5/26/53): Method & Device for Imparting Lateral Movement
Dull, Marshall L.
USP# 2,350,248 (5/30/44): Device for Obtaining Directional Force from Rotary Motion
Nowlin, Aubrey C.
USP# 2,088,115 (7/27/37): Reaction Motor
Neff, Tom
USP# 2,009,780 (7/30/35): Centrifugal Variable Thrust Mechanism
Laskowitz, Isidor B.
USP# 1,953,964 (4/10/34): Centrifugal Variable Thrust Mechanism
Laskowitz, Isidor B.
USP# 1,511,960 (10/14/24): Propulsion of Vehicles
Goldschmidt, Rudolf
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