US Propulsion Patents 1974-1989

All the patents listed are either alternative propulsion devices in some form or have been mentioned by patents of alternative propulsion devices. File sizes range from 100KB to over 2MB.

All you need to view the patents is a copy of Acrobat Reader (which you can obtain FREE from http://www.adobe.com)

If you wish to see THUMBNAILS of the patents click here

Patent  Inventor's      Patent Date  Title
No.     Name            (MM/DD/YYYY)

3807244 Estrade         (O4/3O/1974) Device For Transforming Kinetic Energy		
3810394 Novak           (O5/14/1974) Centrifugal Mechanical Device       			
3863510 Benson          (O2/O4/1975) Inertia Engine     							
3889543 Mast            (O6/17/1975) Propulsion System          			
3897692 Lehberger       (O8/O5/1975) Centrifugal Propulsion Drive And Steering Mechanism	
3916704 Gaberson        (11/O4/1975) Vibratory Motion				
3968700 Cuff            (O7/13/1976) Device For Converting Rotary Motion Into A Unidirectional Linear Motion					
3979961 Schur           (O9/14/1976) Method And Apparatus For Propelling An Object By An Unbalanced Centrifugal Force With Continous Motion					
3998107 Cuff            (12/21/1976) Device For Converting Rotary Motion Into A Unidirectional Linear Motion					
4087064 Knap            (O5/O2/1978) Orbital Propulsion Apparatus					
4095460 Cuff            (O6/2O/1978) Device For Converting Rotary Motion Into Unidirectional Motion					
4238968 Cook            (12/16/198O) Device For Conversion Of Centrifugal Force To Linear Force And Motion					
4242918 Srogi           (O1/O6/1981) Mechanical Propulsion System					
4261212 Melnick         (O4/14/1981) Unidirectional Force Generator				
4347752 Dehen           (O9/O7/1982) Apparatus For Converting Rotary Motion To A Rectilinear Force					
4398431 Melnick         (08/16/1983) Mechanical Power Transmitting System				
4408740 Kleber          (10/11/1983) Apparatus For Acceleration-Free Mounting Of A Body In A Spacecraft 					
4409856 De Weaver       (1O/18/1983) Propulsion System			
4450141 Linde           (05/22/1984) Centrifugal Reaction Chamber     				
4479396 De Weaver       (1O/3O/1984) Propulsion System			
4577520 Colla           (O3/25/1986) Mechanical Propulsion System				
4579011 Dobos           (O3/O1/1986) Propulsion Apparatus				
4631971 Thornson        (12/3O/1986) Apparatus For Developing A Propulsive Force			
4663932 Cox             (O5/12/1987) Dipolar Force Field Propulsion				
4674583 Peppiatt        (O6/23/1987) Impulse Drive
4712439 North           (12/15/1987) Apparatus For Producing A Force			
4726241 Melnick         (O2/23/1988) Continuous Force And Impact Generator			
4726241 Peterson        (O5/17/1988) Apparatus For Producing A Directional Unit Force			
4770063 Mundo           (O9/13/1988) Universal Propulsion Powerplant And Impulse Drive Unit For Self-Propelled Vehicles				
4784006 Kethley         (11/15/1988) Gyroscopic Propulsion Device			
4788882 Fulop           (12/O6/1988) Flywheel				
4801111 Rogers et al    (O1/31/1989) System For Propulsion And Positioning Of A Transitory Object				
4856358 Montalbano      (O8/15/1989) Conversion Of Rotational Output To Linear Force			

There is still a large number of patents that I have not yet obtained, here's a list of them:

US Patent Number Name 
 
995037  Smyth   
1445474 Benson et al.   
1953964 Laskowitz
2009780 Laskowitz
2301943 Georg
2350248 Nowlin
2350248 Nowlin
2532320 Maussnest
2645130 Chamberlain et al.
2743585 Berthet et al.
2862393 Bakker
2886976 Dean
2894417 Boling
2958227 Peterson
3012654 Allen et al.
3092582 Lacker
3108580 Crane, Jr.
3182517 Dean
3187604 Hazel
3203644 Kellog
3215209 Des Vaux et al.
3404854 Di Bella
3468174 Muller
3492881 Auweele
3505886 Hill et al.
3555915 Young, Jr.
3559879 Bechard
3581584 Williams
3584515 Matyas I
3626605 Wallace I
3626606 Wallace I
3653269 Foster I
3683707 Cook I
3750484 Benjamin
3756086 McAlister

For more information visit:

Gyroscopes as Propulsion Devices

http://www.gyro-scope.co.uk