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HALLE CLIFFORD ROBERT STEPHEN

Overview
  • Total Patents
    22
About

HALLE CLIFFORD ROBERT STEPHEN has a total of 22 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United Kingdom, Austria and Switzerland. Its main competitors in its focus markets transport are PISTOR KETTE GMBH, CHIKUSUI CANYCOM KK and JIYUUWA KOKI KK.

Patent filings in countries

World map showing HALLE CLIFFORD ROBERT STEPHENs patent filings in countries
# Country Total Patents
#1 United Kingdom 19
#2 Austria 2
#3 Switzerland 1

Patent filings per year

Chart showing HALLE CLIFFORD ROBERT STEPHENs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

# Technology
#1 Vehicle tyre repairing

Top inventors

# Name Total Patents
#1 Halle Clifford Robert Stephen 21
#2 Ribbentrop Marguerite Edith 2
#3 Stephen John Halle Clifford Ro 1
#4 Russell James 1

Latest patents

Publication Filing date Title
GB191327035A Improvement in Tyres.
GB191200629A Improvement in Tyres.
GB190812260A Improvements in the Springing of Vehicles.
GB190720684A Improvements in Spring Wheels.
GB190624560A Improvements in Ordnance.
GB190317797A Improved Construction of Wheel for Vehicles
GB190206745A Improvements in Magazine Rifles and Machine Guns.
GB190113045A Improvement in Automatic Fire Arms.
GB190014699A Improved Construction of Wrest Plank for Pianofortes and other Stringed Instruments.
GB190012616A Improvements in or connected with the Keys of Pianofortes and the like
GB190012615A Improvements connected with the Frames, Bridges, and Soundboards of Pianofortes.
GB190001717A Improvement in or connected with Bent Side Plates of Piano-fortes.
GB190001571A Improvements in and connected with Pianofortes.
GB189922340A Improvements in or relating to Pianoforte Cases.
GB189906943A Improvements in Bottles, Jars and the like for Preventing the Fraudulent Re-filling thereof.
GB189811503A Improvement in Piano Actions.
GB189810783A Novel Method of Propelling Mechanical Toy Boats or Pleasure Skiffs.
GB189729916A An Improvement in Cast Iron Piano Frames.
GB189716039A An Improvement in Steamships or other Mechanically Propelled Vessels for the purpose of Diminishing the Skin Friction and Lessening the Resistance of the Water.