Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Branch — 4 Patents

OLOlin: 4 patents #187 of 783Top 25%
Norwalk, CT: #188 of 720 inventorsTop 30%
Connecticut: #10,205 of 34,797 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Charles E. Branch has been granted 4 US patents while listed as an inventor at Olin. The first was granted in 1992 and the most recent in August 1993. Charles E. Branch ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Charles E. Branch in Norwalk, CT, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5232493 Process for stabilizing zinc pyrithione plus cuprous oxide in paint Craig Waldron, Rahim Hani, Douglas A. Farmer, Jr. 1993-08-03 $1,164,000
5221574 Biocidal clothes dryer additive for laundered fabrics Thomas E. Robitaille 1993-06-22 $1,868,000
5154947 Method for applying biocidal clothes dryer additive to laundered fabrics Thomas E. Robitaille 1992-10-13 $1,164,000
5114984 Process for producing an antimicrobially effective polyurethane David F. Gavin, Thomas E. Robitaille 1992-05-19 $1,574,000