Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Wech — 5 Patents

AMAmplas: 3 patents #2 of 19Top 15%
FMFmc: 2 patents #674 of 1,735Top 40%
Green Bay, WI: #99 of 718 inventorsTop 15%
Wisconsin: #9,126 of 40,088 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert J. Wech has been granted 5 US patents while listed as an inventor at Amplas. The first was granted in 1980 and the most recent in November 1989. Robert J. Wech ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert J. Wech in Green Bay, WI, US.

Patents per Year

Patents granted per year, 1980 to 1989Bar chart with a peak of 2 patents in 1989.peak 21980: 1 patents19801981: 1 patents19811984: 1 patents19841989: 2 patents1989

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4881933 Draw tape bag forming method and apparatus 1989-11-21
4820249 Multiple seam forming apparatus for continuously running webs 1989-04-11
4425988 Intermittent rotational drive David K. Stock 1984-01-17
4261779 Indexing roll drive system 1981-04-14 $2,237,000
4192705 Indexing roll drive system 1980-03-11 $2,390,000