Inventor
FEENSTRA SHAWN J
US35 patents
⚠️ This page may combine multiple inventors who share the name “FEENSTRA SHAWN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINIMAX VIKING RES & DEV GMBH
10 patentsUS11872425B2Jan 16, 2024
Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal member
MINIMAX VIKING RES & DEV GMBH9 citations83
US12025239B2Jul 2, 2024
Dry pipe valve
MINIMAX VIKING RES & DEV GMBH2 citations70
US11980786B2May 14, 2024
Proportioner for a fire protection system
MINIMAX VIKING RES & DEV GMBH0 citations58
US11833379B2Dec 5, 2023
Fire protection floor nozzle, systems, and methods for floor nozzle spray systems
MINIMAX VIKING RES & DEV GMBH0 citations58
US11596821B2Mar 7, 2023
Proportioner for a fire protection system
MINIMAX VIKING RES & DEV GMBH0 citations58
US11364399B2Jun 21, 2022
Fire suppression nozzle, nozzle assembly, and method for C6-based solution
MINIMAX VIKING RES & DEV GMBH1 citations58
US12042681B2Jul 23, 2024
Fire suppression system and method for a helicopter landing pad
MINIMAX VIKING RES & DEV GMBH1 citations54
US11771936B2Oct 3, 2023
Proportioner for a fire protection system
MINIMAX VIKING RES & DEV GMBH0 citations48
US11358015B2Jun 14, 2022
Pilot actuator for actuating a control valve
MINIMAX VIKING RES & DEV GMBH0 citations48
US11247086B2Feb 15, 2022
Pilot actuator for actuating a control valve
MINIMAX VIKING RES & DEV GMBH0 citations48
VIKING CORP
8 patentsUS9004422B2Apr 14, 2015
Fire protection sprinkler support system
VIKING CORP59 citations98
US7766252B2Aug 3, 2010
Dry sprinkler assembly
VIKING CORP59 citations97
USD612450SMar 23, 2010
Deflector for fire protection sprinkler
VIKING CORP14 citations92
US9022132B2May 5, 2015
Trim manifold assembly for a sprinkler system
VIKING CORP9 citations84
US8376061B2Feb 19, 2013
Fire protection sprinkler
VIKING CORP7 citations84
USD617415SJun 8, 2010
Deflector for fire protection sprinkler
VIKING CORP13 citations84
USD616062SMay 18, 2010
Deflector for fire protection sprinkler
VIKING CORP0 citations52
USD607084SDec 29, 2009
Deflector for fire protection sprinkler
VIKING CORP0 citations52
MINIMAX VIKING PATENT MAN GMBH
7 patentsUS12330001B1Jun 17, 2025
Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal member
MINIMAX VIKING PATENT MAN GMBH3 citations72
US12257465B2Mar 25, 2025
Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal member
MINIMAX VIKING PATENT MAN GMBH4 citations72
US12521583B2Jan 13, 2026
Fire protection floor nozzle, systems, and methods for floor nozzle spray systems
MINIMAX VIKING PATENT MAN GMBH0 citations58
US12576419B2Mar 17, 2026
Protective cover and installation tool for fire protection sprinklers
MINIMAX VIKING PATENT MAN GMBH0 citations50
US12478998B2Nov 25, 2025
Protection and installation device for fire protection sprinklers
MINIMAX VIKING PATENT MAN GMBH0 citations50
US12458821B2Nov 4, 2025
Protection and installation device for fire protection sprinklers
MINIMAX VIKING PATENT MAN GMBH0 citations50
US12569708B2Mar 10, 2026
Protection and installation device for fire protection sprinkler
MINIMAX VIKING PATENT MAN GMBH0 citations48
FEENSTRA SHAWN J
6 patentsUS9004421B2Apr 14, 2015
Fire protection sprinkler support system
FEENSTRA SHAWN J45 citations93
US9132305B2Sep 15, 2015
Fire protection sprinkler
FEENSTRA SHAWN J17 citations83
US8727029B2May 20, 2014
Trim manifold assembly for a sprinkler system
FEENSTRA SHAWN J14 citations83
US8727030B2May 20, 2014
Trim manifold assembly for a sprinkler system
FEENSTRA SHAWN J12 citations83
US8281810B2Oct 9, 2012
Dry valve for sprinkler system
FEENSTRA SHAWN J7 citations79
US9776028B2Oct 3, 2017
Pre-primed preaction sprinkler system
FEENSTRA SHAWN J6 citations71
VIKING GROUP INC
4 patentsUS11794047B2Oct 24, 2023
Fluid control valve assembly for fire protection systems
VIKING GROUP INC5 citations74
US12544609B2Feb 10, 2026
Protective cover and installation tool for fire protection sprinklers
VIKING GROUP INC1 citations63
US12558583B2Feb 24, 2026
Fluid control valve assembly for fire protection systems
VIKING GROUP INC0 citations62
US11559710B2Jan 24, 2023
Fire protection containment unit for intermediate bulk containers
VIKING GROUP INC0 citations46