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HILL COMPRESSOR & PUMP COMPANY

Overview
  • Total Patents
    16
About

HILL COMPRESSOR & PUMP COMPANY has a total of 16 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are PJATOV IVAN SOLOMONOVICH, NORDENFELT THORSTEN WILHELM and HILL COMPRESSOR AND PUMP COMPA.

Patent filings in countries

World map showing HILL COMPRESSOR & PUMP COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15
#2 United Kingdom 1

Patent filings per year

Chart showing HILL COMPRESSOR & PUMP COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ebenezer Hill 13
#2 Edwards Harry D 1
#3 Wardwell George W 1

Latest patents

Publication Filing date Title
US1648730A Rotary pumping machine
US1631592A Rotary pumping machine
US1631591A Combined liquid and air pump
GB252116A Improvements in rotary pumps or compressors
US1569370A Rotary compressor
US1511468A Rotary compressor
US1514384A Rotary-pump-lubricating means
US1497050A Rotary pump
US1501051A Rotary pump-sealing means
US1505707A Rotary pump
US1486837A Rotary pump
US1496222A Sealing means for rotary pumps
US1487567A Packing means for rotary pumps
US1516591A Rotary pump
US1486836A Rotary-pump pressure control
US1863335A Rotary pump