CORROPROOF
Filed: August 13, 1914
COATING FOR AUTOMATIC SPRINKLERS IN THE NATURE OF A PAINT
Owned by: GRINNELL CORPORATION
Serial Number: 71080537
DURASPEED
Filed: June 7, 1935
SPRINKLER HEADS
Owned by: GRINNELL CORPORATION
Serial Number: 71365881
BEECO
Filed: March 19, 1949
BACKFLOW PREVENTION VALVES FOR LARGE POTABLE WATER SUPPLY LINES
Owned by: GRINNELL CORPORATION
Serial Number: 71575692
MINICAIR
Filed: November 8, 1963
AIR DUCT OUTLET GRILLES
Owned by: GRINNELL CORPORATION
Serial Number: 72180733
BEECO
Filed: January 31, 1972
BACKFLOW PREVENTERS
Owned by: GRINNELL CORPORATION
Serial Number: 72414135
G
Filed: August 2, 1973
FIRE EXTINGUISHING SPRINKLER SYSTEM AND BALL DRIP VALVES
Owned by: GRINNELL CORPORATION
Serial Number: 72464694
POSI-QUIK
Filed: December 6, 1984
VALVE ACCELERATORS FOR USE IN FIRE-EXTINGUISHING AUTOMATIC SPRINKLERS
Owned by: GRINNELL CORPORATION
Serial Number: 73512352
TM 1600
Filed: March 25, 1987
CONTINUOUS THERMOCOUPLE CABLE
Owned by: GRINNELL CORPORATION
Serial Number: 73651286
RIGIDLOK
Filed: April 6, 1988
PIPE COUPLINGS
Owned by: GRINNELL CORPORATION
Serial Number: 73720838
GUIDELOK
Filed: June 20, 1988
METAL-BODIED COUPLINGS WITH ELASTOMER GASKET FOR USE WITH GROOVED END PIPES, PIPE FITTINGS AND FLUID FLOW CONTROL VALVES
Owned by: GRINNELL CORPORATION
Serial Number: 73735568
ELECTROSPRAY
Filed: November 30, 1988
DELUGE AND PREACTION FIRE PROTECTION SYSTEMS COMPRISING AUTOMATIC FIRE DETECTORS, NOZZLES OR SPRINKLERS, AUTOMATIC CONTROL…
Owned by: GRINNELL CORPORATION
Serial Number: 73766533
SUPER FLO
Filed: February 11, 1991
fire protection sprinklers
Owned by: GRINNELL CORPORATION
Serial Number: 74138595
FEDS
Filed: May 2, 1991
emission protective device; namely, a device for detecting fluid leakage from sealed pumps, valves and other sealed systems…
Owned by: GRINNELL CORPORATION
Serial Number: 74163081
FLAMEAWAY
Filed: July 19, 1991
plastic pipes and fittings therefor for use in fire sprinkler systems
Owned by: GRINNELL CORPORATION
Serial Number: 74186462
DUOMATIC
Filed: November 8, 1991
dry fire protection sprinkler systems comprising pumps, valves, filters and pressure switches
Owned by: GRINNELL CORPORATION
Serial Number: 74220148
CHANNEL-CAD
Filed: May 11, 1993
software for the design of support struts in the field of construction
Owned by: GRINNELL CORPORATION
Serial Number: 74390436
WORMALD FIRE SYSTEMS
Filed: December 16, 1993
installation and repair of fire protection equipment
Owned by: GRINNELL CORPORATION
Serial Number: 74471757
FLAMEAWAY
Filed: June 28, 1994
plastic pipes and fittings therefor for use in fire protection sprinkler systems
Owned by: GRINNELL CORPORATION
Serial Number: 74544425
FLAMEAWAY
Filed: December 8, 1994
plastic pipes and fittings therefor for use in fire protection sprinkler systems
Owned by: GRINNELL CORPORATION
Serial Number: 74608665
INSUL-SEAL
Filed: March 22, 1995
insulating jackets for valves
Owned by: GRINNELL CORPORATION
Serial Number: 74650384
E-CORE
Filed: July 27, 1995
fire doors
Owned by: GRINNELL CORPORATION
Serial Number: 74706510
FIRERITE
Filed: March 6, 1996
pipe fittings, pipe couplings and pipe flanges, all of metal; manually operated metal valves
Owned by: GRINNELL CORPORATION
Serial Number: 75068311
UNSPOILER
Filed: June 4, 1996
fire protection sprinkler and parts thereof
Owned by: GRINNELL CORPORATION
Serial Number: 75113556
Image Trademark
Filed: July 14, 1998
FIRE PROTECTION SPRINKLER NOZZLES
Owned by: GRINNELL CORPORATION
Serial Number: 75518639
