Learn more

WARREN CHARLES

Overview
  • Total Patents
    18
About

WARREN CHARLES has a total of 18 patent applications. Its first patent ever was published in 1894. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets transport, consumer goods and chemical engineering are KRAISSL JR FREDERICK, WRAITH PETER and PEERLESS MFG CO.

Patent filings in countries

World map showing WARREN CHARLESs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 7
#3 Canada 3

Patent filings per year

Chart showing WARREN CHARLESs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Warren Charles 18
#2 Cobes John 1
#3 Beard Zachary B 1
#4 Fothergill Rowland Henry St Jo 1
#5 Summe Todd L 1
#6 Kubilius Thomas M 1
#7 Novak Miloslav 1

Latest patents

Publication Filing date Title
US2012073444A1 Filtration system for a compressor station
US8323388B1 Combination relief valve and filtration system
US2007039985A1 Roof rack concept for passenger vehicles, incorporating reconfigurable, multipurpose storage roof for improved aerodynamics and aesthetics
US1178364A Chassis for motor road-vehicles.
GB191408351A Improvements in Chassis for Motor Road Vehicles.
US1014545A Autopneumatic playing device for musical instruments.
US963262A Pumper-pedal action for interior player-pianos.
US1011293A Interior-player piano.
GB190403761A Improvements in Piano Players.
GB190308264A Improvements in Motor Equalizers for Self Playing Instruments.
CA85205A Motor equalizer for musical instruments
GB190225654A Improvements in Piano Players.
CA85644A Piano player
GB190111458A Motors for Self Playing Organs.
GB190111459A Sub Basses for Self Playing Organs.
GB189916759A Improvements in and relating to Pneumatic Organs.
CA61069A Level
GB189420946A Improvements in or connected with Railway Point-actuating, Locking, and Signalling Apparatus.