Assignee
BILCO CO
US·24 granted patents·1 pending application·729 citations·filing 1982–2013
Top patents by PatentIndex Score
25 records- 0191US4603517ACorner patch supportBILCO CO·Filed 1985·Granted Aug 5, 1986·84 cites·7 claims
- 0286US4546855ASafety extension for a fixed ladder with an adjustable mountBILCO CO·Filed 1982·Granted Oct 15, 1985·50 cites·19 claims
- 0385US6931793B2Roof scuttle safety railing systemBILCO CO·Filed 2003·Granted Aug 23, 2005·45 cites·12 claims
- 0483US6021606ALifting mechanism for horizontal hinged doorsBILCO CO·Filed 1998·Granted Feb 8, 2000·56 cites·6 claims
- 0581US5960596ARoofing mechanismBILCO CO·Filed 1998·Granted Oct 5, 1999·58 cites·11 claims
- 0680US5554433AFire rated floor door and control systemBILCO CO·Filed 1995·Granted Sep 10, 1996·78 cites·12 claims
- 0776US4781008AFrane assembly for building openingBILCO CO·Filed 1988·Granted Nov 1, 1988·46 cites·17 claims
- 0875US6672020B1Universal roof scuttleBILCO CO·Filed 2002·Granted Jan 6, 2004·31 cites·16 claims
- 0975US4873791ATorque rod operated counterbalancing hinge and door assemblyBILCO CO·Filed 1988·Granted Oct 17, 1989·34 cites·19 claims
- 1071US5373665ADoor assembly with augmented counterbalancingBILCO CO·Filed 1993·Granted Dec 20, 1994·36 cites·22 claims
- 1170US6347818B1Hold open arm assemblyBILCO CO·Filed 2000·Granted Feb 19, 2002·17 cites·20 claims
- 1266US8851790B1Watertight hatchBILCO CO·Filed 2013·Granted Oct 7, 2014·4 cites·12 claims
- 1364US6799395B1Horizontal door liftBILCO CO·Filed 2002·Granted Oct 5, 2004·11 cites·8 claims
- 1459US5301469ADoor assembly with multiple torque rod counterbalancingBILCO CO·Filed 1992·Granted Apr 12, 1994·22 cites·15 claims
- 1558US5136811ATorque rod counterbalanced door assemblyBILCO CO·Filed 1990·Granted Aug 11, 1992·21 cites·5 claims
- 1658US4729453APortable safety postBILCO CO·Filed 1987·Granted Mar 8, 1988·21 cites·24 claims
- 1755US7356968B2Polymer composite basement doorBILCO CO·Filed 2003·Granted Apr 15, 2008·6 cites·19 claims
- 1853US5565274AFire rated floor door and control systemBILCO CO·Filed 1995·Granted Oct 15, 1996·18 cites·18 claims
- 1946US5040269AAttachment mechanism with double lip lockBILCO CO·Filed 1990·Granted Aug 20, 1991·17 cites·9 claims
- 2043US6260305B1Gasket system for a horizontal doorBILCO CO·Filed 1998·Granted Jul 17, 2001·18 cites·5 claims
- 2143US2005016072A1Horizontal door liftBILCO CO·Filed 2004·Application pending·0 cites
- 2242US5927012AEmergency release latch mechanism for smoke hatchBILCO CO·Filed 1998·Granted Jul 27, 1999·19 cites·10 claims
- 2342US5263287ARoofing membrane flashingBILCO CO·Filed 1991·Granted Nov 23, 1993·17 cites·24 claims
- 2435US6041553AAnchorage system for a horizontal doorBILCO CO·Filed 1998·Granted Mar 28, 2000·16 cites·11 claims
- 2532US4688768AExtendable railingBILCO CO·Filed 1986·Granted Aug 25, 1987·4 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when BILCO CO 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 →