Assignee
PROPORTION-AIR INC
US·4 granted patents·71 citations·filing 2004–2022
Top patents by PatentIndex Score
4 records- 0193US7517199B2Control system for an air operated diaphragm pumpPROPORTION AIR INC·Filed 2004·Granted Apr 14, 2009·69 cites·11 claims
- 0271US9574554B2Control system for an air operated diaphragm pumpPROPORTION-AIR INC·Filed 2012·Granted Feb 21, 2017·2 cites·35 claims
- 0354US12268840B2System for dispensing fluidPROPORTION AIR INC·Filed 2022·Granted Apr 8, 2025·0 cites·10 claims
- 0422US9535428B2Spring controlled valvePROPORTION-AIR INC·Filed 2013·Granted Jan 3, 2017·0 cites·28 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →