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SEPPMANN ALFRED B

Overview
  • Total Patents
    18
About

SEPPMANN ALFRED B has a total of 18 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, transport and machine tools are HICKS JAMES A, ORSCHELN BRAKE LEVER MFG CO and O & S BEARING CO.

Patent filings in countries

World map showing SEPPMANN ALFRED Bs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 3

Patent filings per year

Chart showing SEPPMANN ALFRED Bs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Seppmann Alfred B 18

Latest patents

Publication Filing date Title
US2647723A Connecting rod spreader
US2580851A Master cylinder relief valve
US2623541A Lock and hill holder valve for hydraulic brakes
US2601909A Emergency brake lock
US2547233A Master cylinder structure
US2637977A Valve controlled brake fluid accumulator for master cylinders
US2463062A Compound master cylinder for hydraulic brake systems
US2580850A Compound master cylinder
US2207228A Brake system
US1877367A Pedal depressing means for brake testers
US1843341A Brake testing apparatus
US1877366A Brake tester
US1506675A Tongs
US1498933A Device for disassembling universal joints
US1510866A Bushing remover
CA485224A Master cylinder for hydraulic brake systems
CA241217A Trouble finder
CA489549A Master cylinder