Learn more

ALMEN JOHN O

Overview
  • Total Patents
    11
About

ALMEN JOHN O has a total of 11 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, engines, pumps and turbines and mechanical elements are JIAN XUE QIN, QUEGWER HERMANN and SCHNEEWEIS JEAN.

Patent filings in countries

World map showing ALMEN JOHN Os patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 3

Patent filings per year

Chart showing ALMEN JOHN Os patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Almen John O 11

Latest patents

Publication Filing date Title
US2910143A Means of cooling transmission rollers
US2910141A Means for cooling transmission rollers
US2910142A Means of lubricating gears
US2258127A Engine mechanism
US1721197A Method of making cylinders
US1517386A Piston bearing for internal-combustion engines
US1411556A Internal-combustion engine
US1300098A Internal-combustion engine.
CA230975A Valve for internal combustion engines
CA223678A Piston bearing for non-combustion engines
CA230974A Internal combustion engine