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BRISTOL PNEUMATIC TOOLS LTD

Overview
  • Total Patents
    22
About

BRISTOL PNEUMATIC TOOLS LTD has a total of 22 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United Kingdom, France and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are BAY CITY SERVICE CO LTD, MILTON ROY LLC and WU SHIBI.

Patent filings in countries

World map showing BRISTOL PNEUMATIC TOOLS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 France 3
#3 Canada 2
#4 United States 2
#5 Germany 1
#6 Spain 1

Patent filings per year

Chart showing BRISTOL PNEUMATIC TOOLS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wescombe Hugh Carlisle 2
#2 Carlisle Wescombe Hugh 2
#3 Leader Hugh 1
#4 Wescombe Hugh C 1

Latest patents

Publication Filing date Title
GB991573A Improvements in air compressor control means
ES212260A3 Compressor improvements multiple defects (Machine-translation by Google Translate, not legally binding)
GB757226A Improved means for mounting a gudgeon pin in a piston
GB764087A Improvements in and relating to air compressors
GB707303A Improvements in and relating to air compressors
US2622791A Two-stage air compressor
GB655571A Improvements in multi-stage compressors
GB588521A Improvements in or relating to automatic control systems for air compression plants
GB520190A Improvements in or relating to air compressors
GB418137A Improvements in or relating to compressed air delivery or service apparatus
GB325053A Improvements in fittings for connecting inflating apparatus to the inflating or supply valves of pneumatic tyres and other receivers
GB244861A Improvements in air pumps
GB232671A Improvements in and relating to anti-dazzle screens and wind screen cleaning devices for vehicles
GB209873A Improvements in air pumps
GB189642A Improvements in air pumps
DE405285C Air pump with foot operation
CA730544A Air compressor control means
CA488841A Two stage air compressors