Learn more

GRINNELL FIRE PROTECTION

Overview
  • Total Patents
    47
About

GRINNELL FIRE PROTECTION has a total of 47 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machines and mechanical elements are TYCO FIRE PRODUCTS LP, SENJU SPRINKLER CO LTD and PREVENT SYSTEMS AS.

Patent filings in countries

World map showing GRINNELL FIRE PROTECTIONs patent filings in countries

Patent filings per year

Chart showing GRINNELL FIRE PROTECTIONs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Fischer Michael A 14
#2 Mears James W 12
#3 Pepi Jerome S 5
#4 Mears James William 4
#5 Whitaker George N 3
#6 Wilk David A 2
#7 Mears J W 2
#8 Beukema John A 2
#9 Nalbandian Ara D 2
#10 Jieemusu Uiriamu Meiyaazu 1

Latest patents

Publication Filing date Title
CA1267176A Flanged connector for plain end pipe components
CA1267177A Flanged connector for grooved end pipe components
GB8506475D0 Fire protection sprinkler head
US4580729A Sprinkler head with improved spray uniformity
US4585069A Liquid discharge nozzle
US4570719A Dry pipe valve accelerator
US4408788A Hingeable split pipe collar
GB2103481A A fire protection sprinkler head
GB2103480A A fire-protection sprinkler head
CA1170691A Deflector with converging lower tines for horizontal sprinkler
CA1170692A Sprinkler head with improved flow confining element
US4405018A Deflector with surface for circumferentially redistributing fluid for improved spray uniformity
GB2049415A Fire-protection sprinkler head
US4296816A Horizontal sprinkler deflector with flow lifting formation
US4296815A Deflector with converging lower tines for horizontal sprinkler
US4279309A Sprinkler head with noncircular throat
US4273195A Fire protection sprinkler head with air-current diverting fins
US4215751A Finish plate assembly for a sprinkler head having interengaging ramp and arm elements
US4128128A Diaphragm actuated sprinkler head