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RUDOLPH DAUB

Overview
  • Total Patents
    25
About

RUDOLPH DAUB has a total of 25 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and machines are JUDSON WILLIAMS, ECOMOTORS INTERNAT INC and ETAGEN INC.

Patent filings in countries

World map showing RUDOLPH DAUBs patent filings in countries
# Country Total Patents
#1 United States 22
#2 United Kingdom 2
#3 Germany 1

Patent filings per year

Chart showing RUDOLPH DAUBs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rudolph Daub 20
#2 Daub Rudolph 3

Latest patents

Publication Filing date Title
US3535986A Light metal piston with skirt diameter controlling inserts and casting thereof
US3512791A Light metal piston with piston ring groove armoring means
US3217552A Timing drive
US3205832A Hydraulic pump
US3118712A Piston with reinforced piston ring grooves
US3056392A Internal combustion engines
US3007755A Piston
US3023061A Piston head structure
US2978284A Piston head structure
US2996342A Piston head structure
US2956847A Piston head structure
US2996341A Piston head structure
US2809079A Piston head structure
US2776176A Piston groove structure
GB769528A Improvements in and relating to piston structure
GB769529A Improvements in and relating to the manufacture of pistons
US2585540A Valve cooling
US2650578A Air cooling for internal-combustion engines
US2688839A Internal-combustion engine with auxiliary exhaust turbine
US2413957A Internal-combustion engine