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GEN GAS LIGHT CO

Overview
  • Total Patents
    126
About

GEN GAS LIGHT CO has a total of 126 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and thermal processes are WILLIAM CARLS, STI SRL and ALKON PRODUCTS CORP.

Patent filings in countries

World map showing GEN GAS LIGHT COs patent filings in countries
# Country Total Patents
#1 United States 70
#2 Canada 18
#3 United Kingdom 16
#4 Germany 8
#5 Japan 5
#6 France 4
#7 Austria 1
#8 Belgium 1
#9 Switzerland 1
#10 Spain 1
#11 Sweden 1

Patent filings per year

Chart showing GEN GAS LIGHT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Humphrey Hubert R 25
#2 Loveless Stanley M 23
#3 Humphrey Frederick J 13
#4 Humphrey Robert P 13
#5 Humphrey Alfred H 11
#6 Humphrey George A 8
#7 East Robert D 5
#8 Cooksley Ralph D 5
#9 Sutanree Maachin Raburesu 3
#10 Loveless Stanley Martin 3

Latest patents

Publication Filing date Title
JPS54163432A 44way valve apparatus
US4026325A Miniature four-way valve
US3993091A Manifold and valve system
US3963048A Poppet valve assembly
US3952774A Electrically operated mini-valve
US3930634A Safety control for valve
US3819297A Centrifugal pump assembly
CA948957A Four-way valve with blocked center
US3737652A Gas light with built-in mixing chamber
US3665813A Snap operator for pressure fluid valve
US3661182A Four-way valve with blocked center
US3712577A Reset operator for pressure fluid valve
US3469528A Self-priming impeller pump with flow demand control and selective primer and running circuits
GB1202985A Counting device
DE1650387B1 Program valve actuated by counted pressure pulses
GB1197307A A Programming Valve Operable by Applied Pressure Pulses
US3489175A Programmer with circular counting device
US3489155A Pneumatic programmer
US3470910A High-pressure valve with low-pressure operating device
US3412821A Track for motorcycle