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SLEEP WILLIAM HENRY

Overview
  • Total Patents
    18
About

SLEEP WILLIAM HENRY has a total of 18 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets civil engineering are NIITEKKU KK, TILLEY A and MARUTAKA KOGYO KK.

Patent filings in countries

World map showing SLEEP WILLIAM HENRYs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 Canada 1
#3 United States 1

Patent filings per year

Chart showing SLEEP WILLIAM HENRYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Sleep William Henry 18
#2 Sleep Robert Henry 8
#3 Everson Charles Robert 2
#4 Parkin William 1
#5 Twose Ernest Vickery 1

Latest patents

Publication Filing date Title
CA133325A Grain car door
US1001468A Grain-car door.
GB190804164A Improvements in Turn-wrest Ploughs.
GB190802114A Improvements in and relating to Window Wedges.
GB190611067A Improvements in Brake Gear for use on Railway Cars, Tram Cars, Trucks and Motor and other Road Vehicles.
GB190511224A Improvements in Horse Rakes.
GB190220402A Improvements in or connected with Ploughs
GB190003988A Improvements in Tram Rail Cleaners.
GB189910539A Improvements in Turn-wrest Ploughs.
GB189907499A Improvements in and connected with the Shares or Points of Ploughs Cultivators, Hoes, and similar Implements.
GB189904803A Improvements in Whippletrees.
GB189714604A Improvements in or connected with Ploughs.
GB189707015A Improvements in Brake Mechanism for Railway Carriages, Tram-cars, and other Vehicles.
GB189618292A Improvements in and connected with Hames or Collar Blades.
GB189509884A Improvements in or connected with Hames or Collar Blades.
GB189421459A Improvements in or connected with Coulters.
GB189418586A Improvements in or applicable to Ploughs.
GB189322212A Improvements in Ploughs.