DC

Dennis Crabtree

WC Williams Fire & Hazard Control: 10 patents #2 of 8Top 25%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Leawood, KS: #28 of 421 inventorsTop 7%
🗺 Kansas: #488 of 12,005 inventorsTop 5%
Overall (All Time): #270,151 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11639317 Organic liquid fertilizer Bill Love, John Martin 2023-05-02
11639318 Organic liquid fertilizer Bill Love, John Martin 2023-05-02
10889528 Organic liquid fertilizer Bill Love, John Martin 2021-01-12
10556837 Organic liquid fertilizer Bill Love, John Martin 2020-02-11
10023501 Organic liquid fertilizer and process of making Thomas Karl Bisson, Sam S. Jeppson, Bill Love, John Martin, Mark M. Simon 2018-07-17
8794255 Additive proportioning system 2014-08-05
8002203 Fire fighting nozzle and method including pressure regulation, chemical and eduction features Duane J. Brinkerhoff, Dwight P. Williams 2011-08-23
7784709 Fire fighting nozzle and method including pressure regulation, chemical and eduction features Dwight P. Williams 2010-08-31
7464766 Ranger/hybrid automatic self-metering nozzle, with ratio-selectable and flow meter features Dwight P. Williams 2008-12-16
7207391 Selectable fixed flow large scale fire fighting nozzle with selectable additive proportioning and light weight cost effective construction Thomas E. Mason, Kirk A. Barnes 2007-04-24
7140552 System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit Duane J. Brinkerhoff, Dwight P. Williams 2006-11-28
7048207 Fire fighting nozzle and method including pressure regulation, chemical and eduction features Dwight P. Williams 2006-05-23
6749027 Fire fighting nozzle and method including pressure regulation, chemical and education features Dwight P. Williams 2004-06-15
6659187 Self metering foam proportioning system Duane J. Brinkerhoff, Eric LaVergne 2003-12-09
5979564 Fluid additive supply system for fire fighting mechanisms 1999-11-09
5960887 By-pass eductor 1999-10-05
5816328 Fluid additive supply system for fire fighting mechanisms Thomas E. Mason, Kenneth N. Baker 1998-10-06