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NELSON ADOLPH L

Overview
  • Total Patents
    20
About

NELSON ADOLPH L has a total of 20 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are PROIZV OB KIEVTRAKTORODETAL, DAY RAY E and IZUMI AUTOMOTIVE IND.

Patent filings in countries

World map showing NELSON ADOLPH Ls patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 4

Patent filings per year

Chart showing NELSON ADOLPH Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nelson Adolph L 20

Latest patents

Publication Filing date Title
US2149862A Piston
US2067278A Piston
US2086677A Piston
US2100719A Piston
US1982396A Piston
US2038754A Piston
US1990496A Piston
US1928842A Piston
US1548329A Piston
US1438132A Piston
US1409757A Piston
US1595415A Fuel vaporizer
US1357892A Handle for automobile-doors
US1370346A Oiling device for valve-stems
US1372897A Internal-combustion engine
US1562424A Control mechanism for aircraft guns
CA382685A Light metal piston
CA375122A Piston
CA388485A Engine piston
CA393305A Engine piston