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PEARCE EDWIN S

Overview
  • Total Patents
    21
About

PEARCE EDWIN S has a total of 21 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and measurement are STUCKI A, LUKENS GENERAL IND INC and SOPHIE L WOODS.

Patent filings in countries

World map showing PEARCE EDWIN Ss patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 7

Patent filings per year

Chart showing PEARCE EDWIN Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pearce Edwin S 21
#2 Karibo Edmond C 7
#3 Retterer Raymond W 1

Latest patents

Publication Filing date Title
US2387807A Journal bearing
US2387806A Journal bearing
US2368677A Journal bearing
US2348843A Journal box closure means
US2250811A Journal box lubricating equipment
US2250133A Vehicle signal means
US2024536A Journal bearing lubrication
US1964688A Journal bearing lubrication
US1891008A Pressure impulse dampener
US1737200A Indicator
US1737199A Indicating apparatus for locomotive back pressure
US1868024A Cut-off controlling mechanism for and method of operating locomotives
US1723747A Method of and apparatus for impregnating fibrous materials with liquids
US1698273A Apparatus for and method of treating oil
CA279073A Fibre impregnating apparatus
CA304312A Indicating apparatus for locomotive back pressure
CA304313A Indicator
CA341060A Journal bearing lubrication
CA295064A Apparatus for treating oil
CA279074A Fibre impregnating apparatus