Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Wright Porterfield, Jr. — 16 Patents

KTKidde Technologies: 16 patents #5 of 134Top 4%
GCG.W. Lisk Company: 1 patents #12 of 26Top 50%
Rolesville, NC: #5 of 26 inventorsTop 20%
North Carolina: #3,044 of 45,564 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
John Wright Porterfield, Jr. has been granted 16 US patents while listed as an inventor at Kidde Technologies. The first was granted in 2015 and the most recent in May 2025. John Wright Porterfield, Jr. ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list John Wright Porterfield, Jr. in Rolesville, NC, US.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12306066 Ducted gas detector Albert C. Rouse 2025-05-20
12186607 Ullage pressure-driven valve for fire suppression Matthew Allen Newcomer, David Frasure 2025-01-07
11865385 Ullage pressure-driven valve for fire suppression Matthew Allen Newcomer, David Frasure 2024-01-09
10987530 Automatic fire extinguisher system having a safety assembly David Frasure, Doug John Baxendell, Christopher Wilson, Terry Simpson, Kevin R. Leitch +1 more 2021-04-27
10870026 Spring-collet mechanism for activating a fire extinguisher David Frasure 2020-12-22
10226656 Automatic fire extinguisher system having a safety assembly David Frasure, Doug John Baxendell, Christopher Wilson, Terry Simpson, Kevin R. Leitch +1 more 2019-03-12
9861846 Spring-collet mechanism for activating a fire extinguisher David Frasure 2018-01-09
9821183 Motorized actuator for a fire extinguisher David Frasure 2017-11-21
9649520 Burst disc puncture pressure-imbalance actuator for a fire extinguisher David Frasure 2017-05-16
9539452 Rapid pressure diffusion actuator for a fire extinguisher David Frasure, Harlan Hagge 2017-01-10
9463341 N2/CO2 fire extinguishing system propellant gas mixture Robert G. Dunster, Paul W. Weller, Robert Pallant, Francis T. Clarence, Daniel Ray MacLachlan 2016-10-11
9309981 Poppet valve with a frangible sealing disc for a pressure vessel Harlan Hagge, David Frasure, Adam Chattaway, Michael C. Miller 2016-04-12
9308406 Automatic fire extinguishing system having outlet dimensions sized relative to propellant gas pressure Robert G. Dunster, Paul W. Weller, Robert Pallant, Francis T. Clarence, Daniel Ray MacLachlan 2016-04-12
9302128 Automatic fire extinguishing system with internal dip tube Robert G. Dunster, Paul W. Weller, Robert Pallant, Francis T. Clarence, Daniel Ray MacLachlan 2016-04-05
9192798 Automatic fire extinguishing system with gaseous and dry powder fire suppression agents Robert G. Dunster, Paul W. Weller, Robert Pallant, Francis T. Clarence, Daniel Ray MacLachlan 2015-11-24
9038742 Suppressant actuator Andrew W. Phillips, David Frasure, George F. Howard 2015-05-26