Inventor · disambiguated record
Robert E. Gray
Also filed as: GRAY ROBERT · GRAY ROBERT E · GRAY ROBERT ELDER
24 granted patents·912 citations·filing 1976–2006
97Inventor score
Files withCAIRNS & BROTHER INC6INT SAFETY INSTR INC3GRAY ROBERT E2LITTON SYSTEMS INC2MINE SAFETY APPLIANCES CO2
Top patents by PatentIndex Score
24 records- 0197US4667459ATwo action control for power mowersROPER CORP·Filed 1985·Granted May 26, 1987·86 cites·12 claims
- 0295US5404577ACombination head-protective helmet & communications systemCAIRNS & BROTHER INC·Filed 1991·Granted Apr 4, 1995·260 cites·13 claims
- 0392USD275616SPressure regulator control module for self-contained breathing apparatusLITTON SYSTEMS INC·Filed 1982·Granted Sep 18, 1984·30 cites·1 claims
- 0489US5097826APressure monitoring device for self-contained breathing apparatusCAIRNS & BROTHER INC·Filed 1989·Granted Mar 24, 1992·62 cites·17 claims
- 0585US8150568B1Rail synthetic vision systemGRAY ROBERT·Filed 2006·Granted Apr 3, 2012·22 cites·12 claims
- 0685USD412486SBattery housingMOTOROLA INC·Filed 1998·Granted Aug 3, 1999·30 cites·1 claims
- 0778US4844467AChance selection deviceGYENGE MICHAEL·Filed 1988·Granted Jul 4, 1989·53 cites·15 claims
- 0878US4449524ASelf-contained breathing apparatus with provision for shared useLITTON SYSTEMS INC·Filed 1982·Granted May 22, 1984·46 cites·3 claims
- 0974US5200736AAssembly for monitoring helmet thermal conditionsCAIRNS & BROTHER INC·Filed 1991·Granted Apr 6, 1993·66 cites·35 claims
- 1064US4090511AMouthpiece valve for escape breathing apparatusMINE SAFETY APPLIANCES CO·Filed 1977·Granted May 23, 1978·20 cites·6 claims
- 1161US6032664APressure display for self contained breathing apparatusINT SAFETY INSTR INC·Filed 1996·Granted Mar 7, 2000·22 cites·8 claims
- 1260US5678205ACombination head-protective helmet and communications systemCAIRNSAIR INC·Filed 1994·Granted Oct 14, 1997·49 cites·6 claims
- 1358US5000174APositive pressure breathing assembly and demand regulator thereforCAIRNS & BROTHER INC·Filed 1989·Granted Mar 19, 1991·18 cites·12 claims
- 1456US4007758ARespirator pressure-demand exhalation valveMINE SAFETY APPLIANCES CO·Filed 1976·Granted Feb 15, 1977·17 cites·8 claims
- 1555US5271390APositive pressure breathing assembly and demand regulator thereforCAIRNS & BROTHER INC·Filed 1992·Granted Dec 21, 1993·29 cites·28 claims
- 1654US5375972ATurbine stator vane structureUS ARMY·Filed 1993·Granted Dec 27, 1994·27 cites·5 claims
- 1750US5640148ADual activation alarm systemINT SAFETY INSTR INC·Filed 1996·Granted Jun 17, 1997·23 cites·6 claims
- 1847US4928685AClosed-circuit positive pressure breathing apparatus with pneumatically operated storage chamberCAIRNS & BROTHER INC·Filed 1988·Granted May 29, 1990·16 cites·9 claims
- 1935US4731617AApparatus and method for making paraboloidal surfacesGRAY ROBERT E·Filed 1986·Granted Mar 15, 1988·8 cites·19 claims
- 2034US5303534ASeal for drive unitFUQUA IND·Filed 1993·Granted Apr 19, 1994·7 cites·3 claims
- 2133US6074779ABattery cell housingMOTOROLA INC·Filed 1998·Granted Jun 13, 2000·5 cites·6 claims
- 2232US4069581AMuffin splitterGRAY ROBERT E·Filed 1976·Granted Jan 24, 1978·6 cites·6 claims
- 2328US6050261ACombination backframe and self contained breathing apparatusINT SAFETY INSTR INC·Filed 1997·Granted Apr 18, 2000·8 cites·6 claims
- 2428USD358400SLawn mowerTHE ACTAVA GROUP INC·Filed 1993·Granted May 16, 1995·2 cites·1 claims
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