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WAHLMARK GUNNAR A

Overview
  • Total Patents
    70
About

WAHLMARK GUNNAR A has a total of 70 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are PROETT CARL, HANS THOMA and GUNNAR AXEL WAHLMARK.

Patent filings in countries

World map showing WAHLMARK GUNNAR As patent filings in countries
# Country Total Patents
#1 United States 52
#2 Canada 14
#3 Germany 2
#4 United Kingdom 1
#5 Sweden 1

Patent filings per year

Chart showing WAHLMARK GUNNAR As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wahlmark Gunnar A 70

Latest patents

Publication Filing date Title
DE3719072A1 Sealing-ring arrangement
US4624175A Quiet hydraulic apparatus
US3326193A Internal combustion engine
US3354791A Piston
US3289604A Fluid device
US3277835A Fluid device
US3233555A Variable displacement fluid device
US3130817A Lubrication mechanism for fluid device
US3192868A Drive connection for fluid device
US3107632A Control for hydraulic device
US3013411A Gear type constant velocity joint
US3136264A Variable displacement fluid device
US2947182A Piston ball end
US2910845A Constant velocity joint
US2908151A Constant speed drive
US2956845A Piston
US2842064A Hydraulic pressure unit
US2654323A Motor-driven fluid distribution system
US2680348A Rotary pump and motor hydraulic transmission
US2671410A Gear pump