Assignee
READING DOOR CLOSER CORP
4 granted patents·151 citations·filing 1975–1978
Top patents by PatentIndex Score
4 records- 0183US4148111ATemperature compensating hydraulic door closerREADING DOOR CLOSER CORP·Filed 1977·Granted Apr 10, 1979·62 cites·3 claims
- 0278US4222147ADoor closer with assist or door operating featuresREADING DOOR CLOSER CORP·Filed 1978·Granted Sep 16, 1980·44 cites·13 claims
- 0378US4019220APiston assembly for door closerREADING DOOR CLOSER CORP·Filed 1976·Granted Apr 26, 1977·34 cites·6 claims
- 0433US4069546ASoffit plate and limit stop for use with hydraulic door closerREADING DOOR CLOSER CORP·Filed 1975·Granted Jan 24, 1978·11 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →