Assignee
FACTORY MUTUAL RES CORP
US·13 granted patents·253 citations·filing 1975–2001
Top patents by PatentIndex Score
13 records- 0175US4962831AApparatus for controlling lubricating oil fires due to oil line failureFACTORY MUTUAL RES CORP·Filed 1989·Granted Oct 16, 1990·37 cites·24 claims
- 0268US5511621ALocal flooding fine water spray fire suppression system using recirculation principlesFACTORY MUTUAL RES CORP·Filed 1994·Granted Apr 30, 1996·60 cites·11 claims
- 0365US6367560B1Wet sprinkler system for cold environmentsFACTORY MUTUAL RES CORP·Filed 2000·Granted Apr 9, 2002·21 cites·20 claims
- 0462US4336825ALiquid level control systemFACTORY MUTUAL RES CORP·Filed 1980·Granted Jun 29, 1982·25 cites·14 claims
- 0559US4692701AMethod of testing steam turbine rotors to determine if they should be retired because of embrittlementFACTORY MUTUAL RES CORP·Filed 1984·Granted Sep 8, 1987·23 cites·8 claims
- 0658US6085585ASprinkler performance evaluation systemFACTORY MUTUAL RES CORP·Filed 1999·Granted Jul 11, 2000·38 cites·20 claims
- 0752US6499357B2Heat flux measurement pipe and method for determining sprinkler water delivery requirementFACTORY MUTUAL RES CORP·Filed 2001·Granted Dec 31, 2002·2 cites·9 claims
- 0843US4637735ABench-scale material flammability test apparatus and process for measuring flammabilityFACTORY MUTUAL RES CORP·Filed 1986·Granted Jan 20, 1987·14 cites·19 claims
- 0937US5412995ASingle-ply roof cover fatigue testerFACTORY MUTUAL RES CORP·Filed 1994·Granted May 9, 1995·7 cites·14 claims
- 1036US3971443ADischarge head having dual function plug retaining memberFACTORY MUTUAL RES CORP·Filed 1975·Granted Jul 27, 1976·11 cites·8 claims
- 1131US4222402ADual overlapping fire protection systems and valveFACTORY MUTUAL RES CORP·Filed 1977·Granted Sep 16, 1980·1 cites·4 claims
- 1228US4667106AFire identification and discrimination method and apparatusFACTORY MUTUAL RES CORP·Filed 1985·Granted May 19, 1987·11 cites·9 claims
- 1322US4583369ASystem for detecting tubing rupture in feedwater heaters of steam power plantFACTORY MUTUAL RES CORP·Filed 1985·Granted Apr 22, 1986·3 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when FACTORY MUTUAL RES CORP files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →