WR

William J. Roy

CA Carrier: 9 patents #209 of 2,507Top 9%
HI Hayward Industries: 4 patents #50 of 138Top 40%
GI Gas Technology Institute: 1 patents #124 of 262Top 50%
NM Nidec Motor: 1 patents #124 of 217Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #282,624 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12222702 Modulating pool or spa heater systems and associated methods Troy W. Renken 2025-02-11
12110707 Swimming pool/spa gas heater inlet mixer system and associated methods Benjamin Isaac Corn 2024-10-08
12050212 Carbon monoxide sensor system Michael Frank Johnson, Neil P. Leslie 2024-07-30
11720085 Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment Vance Elliot Willis, Benjamin Isaac Corn, James Murdock 2023-08-08
11486645 Mounting system for pressure switch providing both mechanical support and integrated pressure communication 2022-11-01
11225807 Compact universal gas pool heater and associated methods Benjamin Isaac Corn, Michael Damion Mercer, Norman Gregory Beaty, Vance Elliot Willis 2022-01-18
10006628 Low NOx gas burners with carryover ignition Scott A. Liljenberg 2018-06-26
9915425 Igniter and flame sensor assembly with opening James F. Bicknell 2018-03-13
9127837 Low pressure drop, low NOx, induced draft gas heaters William Proscia, Scott A. Liljenberg, Duane C. McCormick, Christopher T. Chipman 2015-09-08
6543438 Furnace with dual use inducer motor Richard L. Roetken, Ninev Karl Zia 2003-04-08
5971292 Method of venting a furnace Ninev Karl Zia, Timothy J. Waterman 1999-10-26
5878741 Differential pressure modulated gas valve for single stage combustion control Daniel J. Dempsey 1999-03-09
5860411 Modulating gas valve furnace control method Kevin D. Thompson 1999-01-19
5799646 Curved inshot burner and method for vent-within-casing furnace Ninev Karl Zia, Paul M. Haydock 1998-09-01
5597301 Burner emission device Thomas J. Legutko 1997-01-28
5393237 Electric plug locking device Michael C. Mayne 1995-02-28