Assignee
ELLIS J NIGEL
US·7 granted patents·1 pending application·97 citations·filing 1981–2015
Top patents by PatentIndex Score
8 records- 0193US9540875B2Safety device for laddersELLIS J NIGEL·Filed 2015·Granted Jan 10, 2017·23 cites·4 claims
- 0284US4458781AClimbing aid and safety descent deviceELLIS J NIGEL·Filed 1982·Granted Jul 10, 1984·51 cites·18 claims
- 0370US8316611B2Portable safety skylight replacement assemblyELLIS J NIGEL·Filed 2012·Granted Nov 27, 2012·7 cites·20 claims
- 0457US8122673B2Portable safety skylight replacement assemblyELLIS J NIGEL·Filed 2008·Granted Feb 28, 2012·1 cites·13 claims
- 0556US7527461B2Safety rail assemblyELLIS J NIGEL·Filed 2006·Granted May 5, 2009·2 cites·19 claims
- 0652US2009206314A1Safety rail assemblyELLIS J NIGEL·Filed 2009·Application pending·0 cites
- 0744USD760917SLadder safety rail setELLIS J NIGEL·Filed 2015·Granted Jul 5, 2016·4 cites·1 claims
- 0844US4392555AFall protection deviceELLIS J NIGEL·Filed 1981·Granted Jul 12, 1983·9 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →