Inventor · disambiguated record
Zell Du Vall
Also filed as: DU VALL ZELL · DUVALL ZELL
4 granted patents·36 citations·filing 1980–1982
75Inventor score
Technology areasG01F
Files withTSI INC4
Top patents by PatentIndex Score
4 records- 0176USD266316SFluid flow measuring headTSI INC·Filed 1980·Granted Sep 28, 1982·17 cites·1 claims
- 0240US4331037AFluid flow measuring apparatusTSI INC·Filed 1980·Granted May 25, 1982·9 cites·44 claims
- 0334US4394825AFluid flow measuring apparatusTSI INC·Filed 1981·Granted Jul 26, 1983·6 cites·71 claims
- 0429US4471654AFluid flow measuring apparatusTSI INC·Filed 1982·Granted Sep 18, 1984·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →