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HOWLAND-SHEARMAN CHARLES HATHA

Overview
  • Total Patents
    11
About

HOWLAND-SHEARMAN CHARLES HATHA has a total of 11 patent applications. Its first patent ever was published in 1911. It filed its patents most often in Canada and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines are NEUBER ECKARD, PARK GUN and KORHONEN JUHANI.

Patent filings in countries

World map showing HOWLAND-SHEARMAN CHARLES HATHAs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 United Kingdom 1

Patent filings per year

Chart showing HOWLAND-SHEARMAN CHARLES HATHAs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Engines, pumps and turbines

Focus technologies

# Technology
#1 Spring or inertia motors
#2 Machines for liquids

Top inventors

# Name Total Patents
#1 Howland-Shearman Charles Hatha 11

Latest patents

Publication Filing date Title
GB191127623A Improvements in Prime Power Generators, known as a Hydrodynamo.
CA361788A Cold flow causing apparatus
CA361787A Machine tool
CA361786A Tool head
CA361783A Work head
CA361784A Work supporting table
CA366758A Power transmitting machinery
CA361789A Substance working apparatus
CA361782A Clutch
CA361790A Synchronizing flywheel and gear drive
CA361785A Micrometer crank