Learn more

HUNTER EDWIN J

Overview
  • Total Patents
    32
About

HUNTER EDWIN J has a total of 32 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States, Australia and United Kingdom. Its main competitors in its focus markets machines, mechanical elements and civil engineering are RAIN BIRD CONSUMER PROD MFG, PAASCHE JENS A and THOMPSON MFG COMPANY.

Patent filings in countries

World map showing HUNTER EDWIN Js patent filings in countries
# Country Total Patents
#1 United States 26
#2 Australia 5
#3 United Kingdom 1

Patent filings per year

Chart showing HUNTER EDWIN Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hunter Edwin J 30
#2 Richards Lorenzo A 3
#3 Scott Loren W 2
#4 Starrett George H 1
#5 Swing Davison B 1
#6 Hunter Edwin James 1

Latest patents

Publication Filing date Title
US5090446A Adjustable check valve
US4971250A Rotary stream sprinkler unit with rotor damping means
US4932590A Rotary stream sprinkler unit with rotor damping means
US4967961A Rotary stream sprinkler unit
US4898332A Adjustable rotary stream sprinkler unit
US4948052A Reversible gear oscillating sprinkler with cam controlled shift retainer
US4836449A Sprinkler unit with stream deflector
US4836450A Sprinkler unit with alternating stream interruptor
US4834289A Pop-up sprinkler unit
US4815662A Stream propelled rotary stream sprinkler unit with damping means
US4842201A Rotary stream sprinkler unit
US4796809A Two-stage pop-up sprinkler
US4718605A Reversible gear oscillating sprinkler
US4867379A Rotary stream sprinkler unit
US4624412A Reversible turbine driven sprinkler unit
US4579285A Adjustable sprinkler system
US4568024A Oscillating sprinkler
US3682752A Apparatus for making plastic venetian blind tape
GB1018017A Rolling mill
US2909325A Sprinkler head