Inventor · disambiguated record

Helmut H. Wirschal

Also filed as: WIRSCHAL HELMUT H

2 granted patents·16 citations·filing 1980–1980

56Inventor score

Technology areasE02B

Files withALLIS CHALMERS2

Top patents by PatentIndex Score

2 records

0145US4394098ARadial gate having fine tuning of flow controlALLIS CHALMERS·Filed 1980·Granted Jul 19, 1983·13 cites·2 claims
0224US4357121AFlap-gate for bottom discharge control in canals having ice problemsALLIS CHALMERS·Filed 1980·Granted Nov 2, 1982·3 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →