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HUFF SLAUGHTER W

Overview
  • Total Patents
    11
About

HUFF SLAUGHTER W has a total of 11 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy and transport are FRYBA JOSEF, PROTECTIVE SIGNAL MFG COMPANY and BRITISH PNEUMATIC RAILWAY SIGN.

Patent filings in countries

World map showing HUFF SLAUGHTER Ws patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing HUFF SLAUGHTER Ws patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy
#2 Transport

Top inventors

# Name Total Patents
#1 Huff Slaughter W 11
#2 Quinn Walter J 1

Latest patents

Publication Filing date Title
US1450727A Automatically-operated slot cover
US1514085A Heater control
US1388568A Method of manufacturing drawn links for electric fuses
CA187863A Electric fuse
US1228924A Drawn-link electric fuse.
US1301848A Indicator for cartridge-fuses.
US1188786A Safety electric fuse.
US717406A Railway electric signal.
US672445A Actuating mechanism for automatic railway appliances.
US780885A Railway electric signal.
US693396A Automatic railway appliance.