CD

Constant V. David

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 San Diego, CA: #841 of 23,606 inventorsTop 4%
🗺 California: #10,935 of 386,348 inventorsTop 3%
Overall (All Time): #77,115 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
4971751 Shock-absorbing system for pulsed nuclear power plant 1990-11-20
4932147 Method of forming an apparatus for displaying dynamic art apparatus embodiments 1990-06-12
4856357 Infinitely variable (IV) mechanical non-cylindrical drive 1989-08-15
4854990 Method for fabricating and inserting reinforcing spikes in a 3-D reinforced structure 1989-08-08
4833469 Obstacle proximity detector for moving vehicles and method for use thereof 1989-05-23
4820480 Flexible conformable vanes made of carbonaceous materials 1989-04-11
4818324 Method of fabrication of thin compressible mattresses 1989-04-04
4815294 Gas turbine with external free-piston combustor 1989-03-28
4760701 External combustion rotary engine 1988-08-02
4747269 Variable speed power-transmitting system 1988-05-31
4746121 Three-bar and ball game apparatus and method of using same 1988-05-24
4739668 Infinitely variable (IV) positive drive system 1988-04-26
4730795 Heliplane 1988-03-15
4702205 External combustion vane engine with conformable vanes 1987-10-27
4697986 Helicopter blade cyclic pitch control system 1987-10-06
4683541 Rotary fluidized bed combustion system 1987-07-28
4672813 External combustion slidable vane motor with air cushions 1987-06-16
4671189 Nuclear war group survival: structures and camp site 1987-06-09
4669727 Double-bar riding wheel and method of using same 1987-06-02
4665703 External combustion engine with air-supported free piston 1987-05-19
4662177 Double free-piston external combustion engine 1987-05-05
4660857 Protector for publication and method for guarding a selected portion thereof 1987-04-28
4653274 Method of controlling a free piston external combustion engine 1987-03-31
4653273 Single free-piston external combustion engine with hydraulic piston detection 1987-03-31
4650400 Helicopter blade pitch adjusting system 1987-03-17