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PERKINS WARREN E

Overview
  • Total Patents
    17
About

PERKINS WARREN E has a total of 17 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets medical technology, packaging and shipping and transport are NEWHOUSE MICHAEL T, BIOACTIS LTD and MOELLER CLAUS SCHMIDT.

Patent filings per year

Chart showing PERKINS WARREN Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perkins Warren E 17
#2 Perkins Albert G 1

Latest patents

Publication Filing date Title
AU3795497A Improved beverage bag
US5038770A Fail-safe systems for respirating gas delivery devices
US4932401A Two-gas variable ratio, variable dose, metering system and method of use
CA1286944C Method and means for dispensing respirating gases by effecting a known displacement
CA1286943C Method and means for dispensing respirating gases by effecting a known displacement
WO8903699A1 Method and means for dispensing a pre-mesured volume of respirating gas
US4832014A Method and means for dispensing two respirating gases by effecting a known displacement
US4705034A Method and means for dispensing respirating gases by effecting a known displacement
US2821735A Windshield wiper