Assignee
RIDGWAY STEEL
5 granted patents·108 citations·filing 1974–1978
Top patents by PatentIndex Score
5 records- 0190US3958755AHydro-thermo fireplace and heating system thereforRIDGWAY STEEL·Filed 1974·Granted May 25, 1976·54 cites·7 claims
- 0271US4025043AFireplace heating systemRIDGWAY STEEL·Filed 1976·Granted May 24, 1977·23 cites·9 claims
- 0367US4131231AFireplace heating systemRIDGWAY STEEL·Filed 1977·Granted Dec 26, 1978·18 cites·8 claims
- 0458US4195617AWood burning water-circulating stoveRIDGWAY STEEL·Filed 1978·Granted Apr 1, 1980·10 cites·17 claims
- 0535US4080701AWater jacket fabricationRIDGWAY STEEL·Filed 1977·Granted Mar 28, 1978·3 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →