Inventor · disambiguated record
Donald G. Needham
Also filed as: GRIFFIN RAY D · NEEDHAM DONALD G
34 granted patents·937 citations·filing 1973–1996
98Inventor score
Top patents by PatentIndex Score
34 records- 0194US4337182APoly (arylene sulfide) composition suitable for use in semi-conductor encapsulationPHILLIPS PETROLEUM CO·Filed 1981·Granted Jun 29, 1982·57 cites·15 claims
- 0293US4115283AAntifriction compositionPHILLIPS PETROLEUM CO·Filed 1977·Granted Sep 19, 1978·58 cites·49 claims
- 0390US5888612ALoad-bearing structuresPOLY PLUS INC·Filed 1995·Granted Mar 30, 1999·72 cites·17 claims
- 0490US5776582ALoad-bearing structures with interlockable edgesPOLYPLUS INC·Filed 1996·Granted Jul 7, 1998·91 cites·15 claims
- 0590US5530055ANucleated polyolefin-based composition for rotational moldingFiled 1994·Granted Jun 25, 1996·78 cites·9 claims
- 0688US4176098AArc resistant compositionPHILLIPS PETROLEUM CO·Filed 1978·Granted Nov 27, 1979·37 cites·20 claims
- 0787US5366675AFoamable polyethylene-based composition for rotational moldingNEEDHAM DONALD G·Filed 1994·Granted Nov 22, 1994·54 cites·20 claims
- 0885US5532282APolyolefin-based composition for rotational moldingNEECO INC·Filed 1994·Granted Jul 2, 1996·46 cites·10 claims
- 0985US4720514APigment concentrates for resinsPHILLIPS PETROLEUM CO·Filed 1986·Granted Jan 19, 1988·44 cites·18 claims
- 1084US5455288ADustless color concentrate granulesFiled 1994·Granted Oct 3, 1995·47 cites·12 claims
- 1183US5367025ACrosslinkable polyethylene-based composition for rotational moldingWEDTECH USA INC·Filed 1993·Granted Nov 22, 1994·40 cites·19 claims
- 1281US3939112AThermoplastic resin composition having high impact strengthPHILLIPS PETROLEUM CO·Filed 1974·Granted Feb 17, 1976·17 cites·9 claims
- 1380US4134874AProcessing aid for poly(arylene sulfide) resinsPHILLIPS PETROLEUM CO·Filed 1977·Granted Jan 16, 1979·27 cites·8 claims
- 1473US4501843AComposition of polymer of olefin with mixed mineral fillerPHILLIPS PETROLEUM CO·Filed 1984·Granted Feb 26, 1985·18 cites·16 claims
- 1571US4788232APigment concentrates for resinsPHILLIPS PETROLEUM CO·Filed 1987·Granted Nov 29, 1988·23 cites·16 claims
- 1670US5260381ACrosslinkable polyethylene-based composition for rotational moldingNEECO INC·Filed 1991·Granted Nov 9, 1993·23 cites·20 claims
- 1769US5607531AFilament coating processPOLYPLUS INC·Filed 1995·Granted Mar 4, 1997·26 cites·20 claims
- 1866US4025582AUltraviolet-stabilized polyolefin compositionsPHILLIPS PETROLEUM CO·Filed 1975·Granted May 24, 1977·16 cites·9 claims
- 1962US5900203AMethod of making load-bearing structuresPOLY PLUS INC·Filed 1996·Granted May 4, 1999·34 cites·16 claims
- 2059US5405567AMolding of articles from plasticsPLASTIC PALLETS INC·Filed 1993·Granted Apr 11, 1995·26 cites·8 claims
- 2159US4560580AProcess for encapsulating articles with optional laser printingPHILLIPS PETROLEUM CO·Filed 1984·Granted Dec 24, 1985·20 cites·5 claims
- 2259US4028332AStabilization of cross-linked polyolefinsPHILLIPS PETROLEUM CO·Filed 1975·Granted Jun 7, 1977·12 cites·9 claims
- 2357US5571435AWelding rod having parallel electrical pathwaysNEECO INC·Filed 1995·Granted Nov 5, 1996·18 cites·15 claims
- 2452US3940547AAdhesive polyolefin compositionPHILLIPS PETROLEUM CO·Filed 1973·Granted Feb 24, 1976·11 cites·28 claims
- 2551US4600736APigment concentrates for resinsPHILLIPS PETROLEUM CO·Filed 1985·Granted Jul 15, 1986·11 cites·20 claims
- 2648US4487879AFilled arylene sulfide polymer compositions containing (a) glass filter in combination with (b) a mineral fillerPHILLIPS PETROLEUM CO·Filed 1982·Granted Dec 11, 1984·6 cites·10 claims
- 2745US4668461APolymers and rotationally molding samePHILLIPS PETROLEUM CO·Filed 1984·Granted May 26, 1987·5 cites·9 claims
- 2841USD355064SPalletPLASTIC PALLETS INC·Filed 1993·Granted Jan 31, 1995·4 cites·1 claims
- 2937USD300659STest specimen holderNEEDHAM DONALD G·Filed 1987·Granted Apr 11, 1989·2 cites·1 claims
- 3034US4443571ALaser printable polyarylene sulfide compositionsPHILLIPS PETROLEUM CO·Filed 1982·Granted Apr 17, 1984·4 cites·8 claims
- 3133US4262661ASolar energy absorption material or coating comprising an arylene sulfide polymerPHILLIPS PETROLEUM CO·Filed 1976·Granted Apr 21, 1981·3 cites·5 claims
- 3232US4654225ALaser printable polyarylene sulfide compositions process for encapsulating articles with optional laser printingPHILLIPS PETROLEUM CO·Filed 1985·Granted Mar 31, 1987·3 cites·2 claims
- 3330USD331309SBook shelf bankNEEDHAM DONALD G·Filed 1989·Granted Nov 24, 1992·0 cites·1 claims
- 3430US4187214AFire retardant adhesive polyolefin compositionsPHILLIPS PETROLEUM CO·Filed 1975·Granted Feb 5, 1980·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →