Learn more

LEACH WILLIAM

Overview
  • Total Patents
    16
About

LEACH WILLIAM has a total of 16 patent applications. Its first patent ever was published in 1903. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets mechanical elements, consumer goods and electrical machinery and energy are ECS ENG CONTROL SYSTEMS AG, SHENZHEN PRESS GROUP PRINTING CO LTD and DURA AUTOMOTIVE SYSTEMS EINBEC.

Patent filings in countries

World map showing LEACH WILLIAMs patent filings in countries
# Country Total Patents
#1 Canada 6
#2 United Kingdom 6
#3 United States 4

Patent filings per year

Chart showing LEACH WILLIAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leach William 16

Latest patents

Publication Filing date Title
CA148887A Telephone pole
US1067354A Train telephone-connection pole.
GB191215105A Improved Means for Effecting Small Variations of the Angular Position of one Shaft relatively to another Geared to it, whilst the Shafts are in Motion, Applicable for Adjusting the Printing and Impression Rollers of Calico or Wall Paper Printing Machines.
GB191011212A Improvements in Variable-expansion Pulleys.
GB191010661A Improvements in Variable Speed Belt, Rope and like Drives.
GB191010261A Improvements in Differential Gearing for Operating Variable-speed Devices in Motion and for other purposes.
CA121476A Animal shield
US932620A Manifold-sheet for baggage-records.
GB190824413A Improvements in Cloth Stentering Machines.
US917773A Temporary binder.
CA111116A Manifold sheets for baggage records
CA108834A Temporary binder
US860752A Skid for baggage-cars, &c.
CA98748A Baggage car
GB190318620A An Improved Railroad Spike.
CA214246A Train stopping device