Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RH

Robert D. Hayward — 13 Patents

GEGilbert Engineering: 8 patents #1 of 10Top 10%
QCQuadlogic Controls: 3 patents #5 of 8Top 65%
Phoenix, AZ: #475 of 6,660 inventorsTop 8%
Arizona: #2,773 of 32,909 inventorsTop 9%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Robert D. Hayward has been granted 13 US patents while listed as an inventor at Gilbert Engineering. The first was granted in 1982 and the most recent in May 2013. Robert D. Hayward ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Robert D. Hayward in Phoenix, AZ, US.

Patents per Year

Patents granted per year, 1982 to 2013Bar chart with a peak of 3 patents in 1993.peak 31982: 2 patents19821983: 1 patents19831986: 1 patents19861987: 1 patents19871989: 1 patents19891991: 1 patents19911993: 3 patents19932009: 1 patents20092012: 1 patents20122013: 1 patents2013

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8452555 Apparatus and methods for multi-channel metering Sayre Swarztrauber, Doron Shafrir, Siddharth Malik 2013-05-28
8090549 Apparatus and methods for multi-channel metering Sayre Swarztrauber, Doron Shafrir, Siddharth Malik 2012-01-03
7596459 Apparatus and methods for multi-channel electric metering Sayre Swarztrauber, Doron Shafrir, Siddharth Malik 2009-09-29
5273444 Tamper-resistant cable terminator system William J. Down 1993-12-28
5259790 Insulators for coaxial cable connectors 1993-11-09
5179877 Tamper-resistant cable terminator system William J. Down 1993-01-19
5055060 Tamper-resistant cable terminator system William J. Down 1991-10-08
4797121 Coaxial cable fitting 1989-01-10
4681390 Non-radiating coaxial outlet 1987-07-21
4575274 Controlled torque connector assembly 1986-03-11
4400050 Fitting for coaxial cable 1983-08-23
4355857 Coax push-on test connector 1982-10-26
4345375 Cable tool 1982-08-24