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HILL COMPRESSOR AND PUMP COMPA

Overview
  • Total Patents
    11
About

HILL COMPRESSOR AND PUMP COMPA has a total of 11 patent applications. Its first patent ever was published in 1923. It filed its patents most often in Canada and United States. Its main competitors in its focus markets engines, pumps and turbines are SP K B BYTOVYM KHOLODILNIKAM K, ANQING CART COMPRESSOR CO LTD and SHANGHAI HANBELL PRECISE MACHI.

Patent filings in countries

World map showing HILL COMPRESSOR AND PUMP COMPAs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 United States 1

Patent filings per year

Chart showing HILL COMPRESSOR AND PUMP COMPAs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Engines, pumps and turbines

Focus technologies

# Technology
#1 Rotary-pistons

Top inventors

# Name Total Patents
#1 Hill Ebenezer 7
#2 Hill Ebenzer 2
#3 Wardwell George W 1
#4 Edwards Harry D 1

Latest patents

Publication Filing date Title
US1513659A Lubricating and sealing means for rotary pumps
CA242000A Rotary pump
CA239251A Rotary pump
CA284401A Rotary pumping machine
CA239435A Rotary pump
CA239252A Rotary pump
CA244021A Rotary pump
CA258380A Rotary compressor
CA284400A Pumping machine
CA286113A Liquid pump
CA241999A Rotary pump