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Henry S. Duffee

BI Bw/Ip International: 1 patents #8 of 21Top 40%
📍 Florence, SC: #60 of 362 inventorsTop 20%
🗺 South Carolina: #2,549 of 15,501 inventorsTop 20%
Overall (All Time): #887,230 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5716054 Diametric plane split mechanical face seal Denise M. Ard 1998-02-10
5294132 Semi-cartridge seal James M. Downing 1994-03-15
5290047 Bearing protection device Denise M. Ard 1994-03-01
5035436 Housing seal chamber body Robert E. Rockwood, James M. Downing 1991-07-30
4538820 Shaft seal 1985-09-03
4443015 Cartridge type rotary shaft seal with bearings and bellows Meigs C. Golden, Jr. 1984-04-17