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

John E. Chambers — 7 Patents

PIPpg Industries: 1 patents #662 of 1,216Top 55%
RCRoyal Bank Of Canada: 1 patents #153 of 359Top 45%
Greenville, SC: #296 of 1,770 inventorsTop 20%
South Carolina: #2,197 of 15,501 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
John E. Chambers has been granted 7 US patents while listed as an inventor at Ppg Industries. The first was granted in 1989 and the most recent in November 2013. John E. Chambers ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list John E. Chambers in Greenville, SC, US.

Patents per Year

Patents granted per year, 1989 to 2013Bar chart with a peak of 2 patents in 1992.peak 21989: 1 patents19891992: 2 patents19921995: 1 patents19951996: 2 patents19962013: 1 patents2013

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8589260 System and method for monitoring securities holdings for related entities Michael Searle 2013-11-19
5558494 Flow control apparatus and method David C. Brenner 1996-09-24
5553417 Fluid distribution panel and method 1996-09-10
5393327 Cartridge filter and method David C. Brenner 1995-02-28
5122321 Method for disposing of gaseous monomer 1992-06-16
5088913 Apparatus to dispose of gaseous monomer 1992-02-18
4810268 Apparatus and method of washing air John D. Joye 1989-03-07 $5,161,000