Individual holder
DAVID CONSTANT V
40 granted patents·1,564 citations·filing 1981–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
40 records- 0199US4833469AObstacle proximity detector for moving vehicles and method for use thereofDAVID CONSTANT V·Filed 1987·Granted May 23, 1989·396 cites·4 claims
- 0298US4672813AExternal combustion slidable vane motor with air cushionsDAVID CONSTANT V·Filed 1986·Granted Jun 16, 1987·163 cites·13 claims
- 0394US4364708AWindmillDAVID CONSTANT V·Filed 1981·Granted Dec 21, 1982·64 cites·13 claims
- 0493US4730795AHeliplaneDAVID CONSTANT V·Filed 1986·Granted Mar 15, 1988·96 cites·20 claims
- 0593US4558971AContinuous pipeline fabrication methodDAVID CONSTANT V·Filed 1984·Granted Dec 17, 1985·81 cites·31 claims
- 0689US4617697AMoldable handle adapterDAVID CONSTANT V·Filed 1985·Granted Oct 21, 1986·61 cites·8 claims
- 0788US4760701AExternal combustion rotary engineDAVID CONSTANT V·Filed 1986·Granted Aug 2, 1988·53 cites·28 claims
- 0887US4546978ADice and gamesDAVID CONSTANT V·Filed 1984·Granted Oct 15, 1985·42 cites·12 claims
- 0986US4671189ANuclear war group survival: structures and camp siteDAVID CONSTANT V·Filed 1984·Granted Jun 9, 1987·55 cites·10 claims
- 1083US4815294AGas turbine with external free-piston combustorDAVID CONSTANT V·Filed 1987·Granted Mar 28, 1989·40 cites·23 claims
- 1183US4662177ADouble free-piston external combustion engineDAVID CONSTANT V·Filed 1985·Granted May 5, 1987·36 cites·20 claims
- 1281US4665703AExternal combustion engine with air-supported free pistonDAVID CONSTANT V·Filed 1986·Granted May 19, 1987·36 cites·25 claims
- 1380US4452232ASolar heat boilerDAVID CONSTANT V·Filed 1982·Granted Jun 5, 1984·35 cites·5 claims
- 1475US4653274AMethod of controlling a free piston external combustion engineDAVID CONSTANT V·Filed 1985·Granted Mar 31, 1987·28 cites·8 claims
- 1573US4932147AMethod of forming an apparatus for displaying dynamic art apparatus embodimentsDAVID CONSTANT V·Filed 1985·Granted Jun 12, 1990·32 cites·8 claims
- 1673US4747269AVariable speed power-transmitting systemDAVID CONSTANT V·Filed 1986·Granted May 31, 1988·24 cites·26 claims
- 1772US4854990AMethod for fabricating and inserting reinforcing spikes in a 3-D reinforced structureDAVID CONSTANT V·Filed 1987·Granted Aug 8, 1989·30 cites·13 claims
- 1869US4683541ARotary fluidized bed combustion systemDAVID CONSTANT V·Filed 1985·Granted Jul 28, 1987·23 cites·14 claims
- 1967US4697986AHelicopter blade cyclic pitch control systemDAVID CONSTANT V·Filed 1986·Granted Oct 6, 1987·23 cites·23 claims
- 2067US4535724ATraining and care apparatus for horsesDAVID CONSTANT V·Filed 1984·Granted Aug 20, 1985·21 cites·13 claims
- 2167US4399654APower plant having a free piston combustion memberDAVID CONSTANT V·Filed 1982·Granted Aug 23, 1983·19 cites·16 claims
- 2266US4561131ADual flush toilet for water savingDAVID CONSTANT V·Filed 1984·Granted Dec 31, 1985·25 cites·18 claims
- 2366US4561252AFree piston external combustion enginesDAVID CONSTANT V·Filed 1984·Granted Dec 31, 1985·19 cites·11 claims
- 2465US4629629AMethod for processing avocadosDAVID CONSTANT V·Filed 1985·Granted Dec 16, 1986·32 cites·27 claims
- 2561US4702205AExternal combustion vane engine with conformable vanesDAVID CONSTANT V·Filed 1986·Granted Oct 27, 1987·19 cites·15 claims
- 2654US4971751AShock-absorbing system for pulsed nuclear power plantDAVID CONSTANT V·Filed 1989·Granted Nov 20, 1990·13 cites·16 claims
- 2751US4650400AHelicopter blade pitch adjusting systemDAVID CONSTANT V·Filed 1984·Granted Mar 17, 1987·11 cites·22 claims
- 2849US4379701ABuoyant apparatus propelled by a human operatorDAVID CONSTANT V·Filed 1981·Granted Apr 12, 1983·9 cites·9 claims
- 2948US4739668AInfinitely variable (IV) positive drive systemDAVID CONSTANT V·Filed 1987·Granted Apr 26, 1988·10 cites·25 claims
- 3046US4569819APulsed nuclear power plantDAVID CONSTANT V·Filed 1984·Granted Feb 11, 1986·9 cites·19 claims
- 3144US4856357AInfinitely variable (IV) mechanical non-cylindrical driveDAVID CONSTANT V·Filed 1988·Granted Aug 15, 1989·9 cites·27 claims
- 3240US4543674AWater saving insert for toilet tankDAVID CONSTANT V·Filed 1984·Granted Oct 1, 1985·8 cites·14 claims
- 3339US4746121AThree-bar and ball game apparatus and method of using sameDAVID CONSTANT V·Filed 1987·Granted May 24, 1988·6 cites·32 claims
- 3438US4669727ADouble-bar riding wheel and method of using sameDAVID CONSTANT V·Filed 1985·Granted Jun 2, 1987·6 cites·22 claims
- 3538US4653273ASingle free-piston external combustion engine with hydraulic piston detectionDAVID CONSTANT V·Filed 1985·Granted Mar 31, 1987·6 cites·13 claims
- 3638US4561656ABar riding wheelDAVID CONSTANT V·Filed 1984·Granted Dec 31, 1985·10 cites·19 claims
- 3738US4432735AHuman propelled buoyant annular float with removable pontoon stabilizerDAVID CONSTANT V·Filed 1981·Granted Feb 21, 1984·5 cites·8 claims
- 3837US4818324AMethod of fabrication of thin compressible mattressesDAVID CONSTANT V·Filed 1987·Granted Apr 4, 1989·6 cites·7 claims
- 3931US4560473AMacerator-decanterDAVID CONSTANT V·Filed 1984·Granted Dec 24, 1985·3 cites·14 claims
- 4030US4660857AProtector for publication and method for guarding a selected portion thereofDAVID CONSTANT V·Filed 1986·Granted Apr 28, 1987·0 cites·6 claims
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