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WILLIAM GEORGE HAY

Overview
  • Total Patents
    29
About

WILLIAM GEORGE HAY has a total of 29 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets engines, pumps and turbines, transport and packaging and shipping are SEEPEX GMBH, SPHAERO G M B H and INABA KAZUO.

Patent filings in countries

World map showing WILLIAM GEORGE HAYs patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 France 9
#3 Germany 3

Patent filings per year

Chart showing WILLIAM GEORGE HAYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hay William George 9

Latest patents

Publication Filing date Title
GB575310A Improvements in or relating to rotary valve internal combustion engines
GB525844A Improvements in or relating to seals for rotary or oscillatory valves for internal combustion engines
GB514415A Improvements in or relating to rotary air or other gas compressors or movers or vacuum pumps
GB515611A Improvements in or relating to rotary air or other gas compressors or movers or vacuum pumps
GB426427A Improvements in or relating to rotary air or other gas compressors or movers or vacuum pumps
GB364909A Improvements in or relating to rotary air and other gas compressors or vacuum pumps
GB334343A Improvements in rotary air compressors
GB319467A Improvements in rotary air compressors
GB274402A Improvements in rotary pumps
GB273439A Improvements in rotary pumps
GB226024A Improvements relating to doll heads for drying cylinders
GB204480A Improvements in receivers for pneumatic conveyors
GB172188A A combined seat and berth ladder
GB167921A Improvements relating to rotary fluid compressors, exhausters, movers or engines
GB164586A Improvements relating to portable bulkheads or partitions for ships, huts or other structures
GB153702A Improvements in and relating to the receiving and discharging apparatus of pneumaticconveyors
GB144143A Improvements relating to rotary fluid compressors, exhausters, movers or engines
DE320993C vacuum cleaner