Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William Ohmann — 6 Patents

WHWhirlpool: 6 patents #723 of 3,654Top 20%
Benton Harbor, MI: #66 of 238 inventorsTop 30%
Michigan: #15,817 of 86,293 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
William Ohmann has been granted 6 US patents while listed as an inventor at Whirlpool. The first was granted in 1981 and the most recent in April 1983. William Ohmann ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list William Ohmann in Benton Harbor, MI, US.

Patents per Year

Patents granted per year, 1981 to 1983Bar chart with a peak of 3 patents in 1983.peak 31981: 1 patents19811982: 2 patents19821983: 3 patents1983

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D268707 Filter for automatic washer agitator or similar article Edward E. Wiessner 1983-04-19
D268183 Pump for automatic washer or similar article Gerald L. Kretchman 1983-03-08
D267672 Agitator for automatic washer or similar article Edward E. Wiessner 1983-01-18
4357812 Tub having a debris collector for an automatic washer Albert T. Braga 1982-11-09 $3,256,000
4338802 Agitator mounted filter for an automatic washer Edward E. Wiessner 1982-07-13 $7,154,000
4306841 Pump mounting for an automatic washer Russell J. Morrison 1981-12-22 $3,195,000