Inventor · disambiguated record
John L. De Ris
Also filed as: DE RIS JOHN · DE RIS JOHN L
7 granted patents·68 citations·filing 1986–2007
84Inventor score
Top patents by PatentIndex Score
7 records- 0165US6367560B1Wet sprinkler system for cold environmentsFACTORY MUTUAL RES CORP·Filed 2000·Granted Apr 9, 2002·21 cites·20 claims
- 0261US7699116B2Anti-skipping sprinklerFM GLOBAL TECHNOLOGIES·Filed 2007·Granted Apr 20, 2010·3 cites·15 claims
- 0361US6971792B2Device and method for measuring absorbed heat flux in a fire test apparatusFM GLOBAL TECHNOLOGIES LLC·Filed 2003·Granted Dec 6, 2005·8 cites·10 claims
- 0452US6499357B2Heat flux measurement pipe and method for determining sprinkler water delivery requirementFACTORY MUTUAL RES CORP·Filed 2001·Granted Dec 31, 2002·2 cites·9 claims
- 0549US5248252AEnhanced radiant output burnerGAS RES INST·Filed 1992·Granted Sep 28, 1993·16 cites·4 claims
- 0645US6862941B2Heat flux measurement pipe and method for determining sprinkler water delivery requirementFM GLOBAL TECHNOLOGIES LLC·Filed 2002·Granted Mar 8, 2005·4 cites·16 claims
- 0743US4637735ABench-scale material flammability test apparatus and process for measuring flammabilityFACTORY MUTUAL RES CORP·Filed 1986·Granted Jan 20, 1987·14 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →