Assignee
FIRST CO
US·6 granted patents·35 citations·filing 1985–2024
Top patents by PatentIndex Score
6 records- 0174US12359827B2Independent temperature control for roomsFIRST CO·Filed 2024·Granted Jul 15, 2025·0 cites·27 claims
- 0271US11927350B2Independent temperature control for roomsFIRST CO·Filed 2023·Granted Mar 12, 2024·0 cites·20 claims
- 0368US11662104B2Independent temperature control for roomsFIRST CO·Filed 2022·Granted May 30, 2023·0 cites·29 claims
- 0461US9409225B2Tube expander for heat exchanger coil unitsFIRST CO·Filed 2014·Granted Aug 9, 2016·1 cites·30 claims
- 0560US4633766AAdapter for joining heater and air conditioning elementsFIRST CO·Filed 1985·Granted Jan 6, 1987·34 cites·15 claims
- 0655US9981303B2Tube expander for heat exchanger coil unitsFIRST CO·Filed 2016·Granted May 29, 2018·0 cites·22 claims
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