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USPTO Patent Rankings Data through Dec 31, 2025
PW

Peter Woodman — 6 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Pretoria, ZA: #18 of 529 inventorsTop 4%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Peter Woodman has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 1988 and the most recent in December 1997. Peter Woodman ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Peter Woodman in Pretoria, ZA.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5699939 Metering of liquids 1997-12-23
5099535 Cleaner for submerged surfaces Daniel J. V. D. Chauvier, Benjamin J. Krywick 1992-03-31
5033148 Apparatus for cleaning a surface submerged in a liquid Daniel J. V. D. Chauvier 1991-07-23
4790344 Fluid flow regulator Daniel J. V. D. Chauvier 1988-12-13
4789364 Displacement apparatus for submerged cleaner Daniel J. V. D. Chauvier 1988-12-06
4766931 Submerged valve Daniel J. V. D. Chauvier 1988-08-30