| Patent | Date |
|---|
High pressure devices
Grant 5,364,234 - Eickmann November 15, 1 | 1994-11-15 |
Double piston engine
Grant 5,113,808 - Eickmann May 19, 1 | 1992-05-19 |
Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing
Grant 4,982,914 - Eickmann January 8, 1 | 1991-01-08 |
Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing
Grant 4,925,131 - Eickmann * May 15, 1 | 1990-05-15 |
Aircraft with pivotable wing and arrestable propellers
Grant 4,923,144 - Eickmann May 8, 1 | 1990-05-08 |
Devices which may be borne in air and on devices applicable therein
Grant 4,913,377 - Eickmann April 3, 1 | 1990-04-03 |
Membranes and neighboring members in pumps, compressors and devices
Grant 4,904,167 - Eickmann February 27, 1 | 1990-02-27 |
Airborne vehicle with hydraulic drive and control
Grant 4,856,732 - Eickmann August 15, 1 | 1989-08-15 |
Pump for pressures exceeding one thousand atmospheres by the provision of a half-pressure chamber around a high pressure chamber between coned ring elements
Grant 4,822,255 - Eickmann April 18, 1 | 1989-04-18 |
Fluid flow facilitating arrangement which includes a coned ring
Grant 4,799,654 - Eickmann January 24, 1 | 1989-01-24 |
Axial piston motor or pump with an arrangement to thrust the rotor against a bearing of the shaft
Grant 4,793,239 - Eickmann December 27, 1 | 1988-12-27 |
Fluid motor driven multi propeller aircraft
Grant 4,770,371 - Eickmann September 13, 1 | 1988-09-13 |
Axial piston machine having a plurality of mechanically actuated rotary valves
Grant 4,730,545 - Eickmann March 15, 1 | 1988-03-15 |
Combustion engine with exterior combustion chamber
Grant 4,716,720 - Eickmann January 5, 1 | 1988-01-05 |
Variable radial piston pump
Grant 4,690,620 - Eickmann September 1, 1 | 1987-09-01 |
Aircraft with a retractable variable pitch propeller or a fluid motor driven multi propeller aircraft
Grant 4,688,743 - Eickmann * August 25, 1 | 1987-08-25 |
Devices which may be borne in air and on devices applicable therein
Grant 4,613,098 - Eickmann September 23, 1 | 1986-09-23 |
Vehicle with propeller-pairs and automatic synchronization with power division
Grant 4,488,692 - Eickmann December 18, 1 | 1984-12-18 |
Valve arrangement preferred for engines
Grant 4,471,729 - Eickmann September 18, 1 | 1984-09-18 |
Devices which may be borne in air and in devices applicable therein
Grant 4,452,411 - Eickmann June 5, 1 | 1984-06-05 |
Hydraulically operated air borne rotor craft
Grant 4,405,103 - Eickmann September 20, 1 | 1983-09-20 |
Fluid motor driven propeller-aircraft for vertical take off and landing with a multipurpose pipe structure
Grant 4,387,866 - Eickmann June 14, 1 | 1983-06-14 |
Fluid-stream driven ground vehicle
Grant 4,230,198 - Eickmann October 28, 1 | 1980-10-28 |
Pivot portion of a piston shoe in radial pistol devices
Grant 4,206,690 - Eickmann June 10, 1 | 1980-06-10 |
Vehicle for traveling in the air and on the ground equipped with hydraulically driven propellers
Grant 4,173,321 - Eickmann * November 6, 1 | 1979-11-06 |
Hydraulically operated aircraft with a retractable propeller
Grant 4,136,845 - Eickmann January 30, 1 | 1979-01-30 |
Fluid-stream driven aircraft
Grant 4,009,849 - Eickmann March 1, 1 | 1977-03-01 |
Hydraulically controlled fluidstream driven waterborn vehicle
Grant 3,983,833 - Eickmann October 5, 1 | 1976-10-05 |
Hydraulically Controlled Fluidstream-driven Aircraft
Grant 3,823,898 - Eickmann July 16, 1 | 1974-07-16 |
Fluid-borne Vehicle
Grant 3,768,757 - Eickmann October 30, 1 | 1973-10-30 |
Fluid Handling Device With Radially Variable Working Chambers
Grant 3,654,761 - Eickmann April 11, 1 | 1972-04-11 |
Added Fluidflow Control Means For Governing The Attitude Of Fluidborne Vehicles
Grant 3,614,029 - Eickmann October 19, 1 | 1971-10-19 |
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