Inventor · disambiguated record
Roger Graham Gilbertson
Also filed as: GILBERTSON ROGER GRAHAM
2 granted patents·1 pending application·17 citations·filing 2008–2014
58Inventor score
Files withJOHNSON ALFRED DAVID3
Top patents by PatentIndex Score
3 records- 0178US8584767B2Sprinkler valve with active actuationJOHNSON ALFRED DAVID·Filed 2009·Granted Nov 19, 2013·12 cites·8 claims
- 0269US8684101B2Frangible shape memory alloy fire sprinkler valve actuatorJOHNSON ALFRED DAVID·Filed 2008·Granted Apr 1, 2014·5 cites·25 claims
- 0348US2015266141A1Frangible shape memory alloy fire sprinkler valve actuatorJOHNSON ALFRED DAVID·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →