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VACUUM ENGINEERING COMPANY

Overview
  • Total Patents
    11
About

VACUUM ENGINEERING COMPANY has a total of 11 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States. Its main competitors in its focus markets machines, furniture and games and engines, pumps and turbines are PAUL HEFTLER, AMERICAN ROTARY VALVE COMPANY and BUFFALO SPECIALTY COMPANY.

Patent filings in countries

World map showing VACUUM ENGINEERING COMPANYs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing VACUUM ENGINEERING COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams David T 6
#2 Locke William 4
#3 Dunn Elias B 4
#4 Guthorn Seymour L 1

Latest patents

Publication Filing date Title
US1072607A Pneumatic cleaning implement.
US921040A Pneumatic suction-pump.
US919508A Valve.
US929066A Pneumatic cleaning implement.
US993133A Dust-collector for pneumatic cleaning systems.
US921039A Pipe-fitting.
US917981A Valve.
US893854A Suction apparatus for pneumatic cleaning systems.
US919369A Suction apparatus for pneumatic cleaning systems.
US919606A Pneumatic suction cleaning apparatus.
US893853A Apparatus for removing dust by pneumatic suction.