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Robert E. Gray — 21 Patents

CBCairns & Brother: 6 patents #2 of 25Top 8%
IIInternational Safety Instruments: 3 patents #3 of 9Top 35%
LSLitton Systems: 2 patents #237 of 838Top 30%
Motorola: 2 patents #5,171 of 14,142Top 40%
RHRoper Holdings: 1 patents #19 of 43Top 45%
UFUS Air Force: 1 patents #6,232 of 16,312Top 40%
FIFuqua Industries: 1 patents #3 of 9Top 35%
Clearwater, FL: #24 of 932 inventorsTop 3%
Florida: #2,196 of 67,251 inventorsTop 4%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Robert E. Gray has been granted 21 US patents while listed as an inventor at Cairns & Brother. The first was granted in 1984 and the most recent in April 2012. Robert E. Gray ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Robert E. Gray in Clearwater, FL, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8150568 Rail synthetic vision system — 2012-04-03
6074779 Battery cell housing Michael M. Austin 2000-06-13 $42,826,000
6050261 Combination backframe and self contained breathing apparatus R. David Lewis, Donald W. Dawson, Paul D. Hiltman 2000-04-18
6032664 Pressure display for self contained breathing apparatus Paul D. Hiltman, R. David Lewis, Victor Speck 2000-03-07
D412486 Battery housing Randall P. Chambers, Haim Slotin 1999-08-03
5678205 Combination head-protective helmet and communications system — 1997-10-14
5640148 Dual activation alarm system R. David Lewis, Bruce A. Hefner, Paul D. Hiltman 1997-06-17
D358400 Lawn mower Joseph P. Schneider 1995-05-16
5404577 Combination head-protective helmet & communications system Lawrence H. Zuckerman, Kurt P. Schuler, Robert J. Richter, Jeffrey N Olsen, Robert M. Armstrong 1995-04-04
5375972 Turbine stator vane structure — 1994-12-27
5303534 Seal for drive unit — 1994-04-19 $1,822,000
5271390 Positive pressure breathing assembly and demand regulator therefor Robert M. Armstrong, Walter J. D. Lybrand 1993-12-21
5200736 Assembly for monitoring helmet thermal conditions Christopher E. Coombs, Gene Keohane, Robert M. Armstrong 1993-04-06
5097826 Pressure monitoring device for self-contained breathing apparatus Robert M. Armstrong, Gene Keohane, Christopher E. Coombs 1992-03-24
5000174 Positive pressure breathing assembly and demand regulator therefor Robert M. Armstrong, Walter J. D. Lybrand 1991-03-19
4928685 Closed-circuit positive pressure breathing apparatus with pneumatically operated storage chamber — 1990-05-29
4844467 Chance selection device Michael Gyenge 1989-07-04
4731617 Apparatus and method for making paraboloidal surfaces Donald F. Lahey 1988-03-15
4667459 Two action control for power mowers Joseph E. Scanland 1987-05-26 $1,883,000
D275616 Pressure regulator control module for self-contained breathing apparatus — 1984-09-18
4449524 Self-contained breathing apparatus with provision for shared use — 1984-05-22 $3,313,000

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Cecilia Carbonelli21
Pin-Wen Chen21
Michael Danz21
Paul Kolen21