Inventor · disambiguated record
Addison W. Langill, Jr.
Also filed as: LANGILL JR ADDISON W
3 granted patents·67 citations·filing 1976–1980
74Inventor score
Files withPOWELL IND INC3
Top patents by PatentIndex Score
3 records- 0180US4244396ADigital fluid flow control systemPOWELL IND INC·Filed 1976·Granted Jan 13, 1981·28 cites·6 claims
- 0269US4356840ADigital fluid flow control systemPOWELL IND INC·Filed 1980·Granted Nov 2, 1982·20 cites·29 claims
- 0361US4248263ADigital fluid flow control apparatusPOWELL IND INC·Filed 1979·Granted Feb 3, 1981·19 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →