Inventor · disambiguated record
David P. Gregg
Also filed as: GREGG DAVID P
17 granted patents·351 citations·filing 1977–2001
94Inventor score
Top patents by PatentIndex Score
17 records- 0189US5253713AGas and oil well interface tool and intelligent controllerBELDEN & BLAKE CORP·Filed 1991·Granted Oct 19, 1993·178 cites·39 claims
- 0277US5077724AOptical tape cartridgeDEL MAR AVIONICS·Filed 1989·Granted Dec 31, 1991·22 cites·8 claims
- 0376US4500484AProcess for making a video record discDISCOVISION ASS·Filed 1982·Granted Feb 19, 1985·25 cites·18 claims
- 0466US4908815AOptical recording system utilizing proportional real-time feedback control of recording beam intensityGREGG DAVID P·Filed 1988·Granted Mar 13, 1990·15 cites·15 claims
- 0566US4893297ADisc-shaped memberDISCOVISION ASS·Filed 1989·Granted Jan 9, 1990·14 cites·17 claims
- 0662US5485437AShock-resistant, electrostatically actuated pick-up for optical recording and playbackDISCOVISION ASS·Filed 1993·Granted Jan 16, 1996·12 cites·8 claims
- 0760US5504732ANull inflection detection and pulse expand latch in an optical recording systemDEL MAR AVIONICS·Filed 1990·Granted Apr 2, 1996·13 cites·22 claims
- 0855US5587993AOptical tape cartridge having improved tape movement mechanismDISCOVISION ASS·Filed 1994·Granted Dec 24, 1996·10 cites·26 claims
- 0952US5521452AShock-resistant, electrostatically actuated pick-up for optical recording and playbackDISCOVISION ASS·Filed 1994·Granted May 28, 1996·7 cites·21 claims
- 1049US4819223AVideo record discDISCOVISION ASS·Filed 1977·Granted Apr 4, 1989·6 cites·17 claims
- 1148US4615753AProcess for making a video record discDISCOVISION ASS·Filed 1984·Granted Oct 7, 1986·8 cites·4 claims
- 1246US5017414AMethod for manufacturing a second surface optical storage deviceDEL MAR AVIONICS·Filed 1989·Granted May 21, 1991·10 cites·19 claims
- 1343US5563867AOptical tape duplicatorDISCOVISION ASS·Filed 1994·Granted Oct 8, 1996·5 cites·9 claims
- 1439US6637515B2Method and apparatus for reducing plunger seal wear on automatic casing swab lift systemsCONOCOPHILLIPS CO·Filed 2001·Granted Oct 28, 2003·4 cites·17 claims
- 1535US4964934AOptical disk manufacturing processDEL MAR AVIONICS·Filed 1989·Granted Oct 23, 1990·9 cites·12 claims
- 1633US5002622AGlass based optical disc manufacturing processDEL MAR AVIONICS·Filed 1989·Granted Mar 26, 1991·6 cites·12 claims
- 1731US4342714AProcess for making video discsGREGG DAVID P·Filed 1981·Granted Aug 3, 1982·7 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →