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

Robert G. Knowles — 4 Patents

LSLitton Systems: 3 patents #157 of 838Top 20%
WAWestern Geophysical Company Of America: 1 patents #10 of 40Top 25%
Litchfield, CT: #20 of 81 inventorsTop 25%
Connecticut: #10,205 of 34,797 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert G. Knowles has been granted 4 US patents while listed as an inventor at Litton Systems. The first was granted in 1980 and the most recent in May 1991. Robert G. Knowles ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert G. Knowles in Litchfield, CT, US.

Patents per Year

Patents granted per year, 1980 to 1991Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801984: 1 patents19841987: 1 patents19871991: 1 patents1991

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5018822 Environmentally sealed multichannel fiber optic connector John S. Freismuth 1991-05-28 $5,415,000
4696539 Fiber optic cable connector 1987-09-29 $4,425,000
4440471 Fiber optic connectors 1984-04-03 $6,128,000
4188083 Flat cable connector with strain relief and two-position latch 1980-02-12 $5,994,000