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POWDER COUPLINGS LTD

Overview
  • Total Patents
    21
About

POWDER COUPLINGS LTD has a total of 21 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United Kingdom, Canada and Sweden. Its main competitors in its focus markets mechanical elements and machines are ROHS VOIGT PATENTVERWERTUNGSGE, ROHS VOIGT PATENTVERWERTUNGS G and KERLEY ENGINEERING INC.

Patent filings in countries

World map showing POWDER COUPLINGS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Canada 2
#3 Sweden 2
#4 United States 2
#5 Spain 1
#6 France 1
#7 Japan 1
#8 Norway 1

Patent filings per year

Chart showing POWDER COUPLINGS LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Machines

Top inventors

# Name Total Patents
#1 Hunt Anthony Owen 4
#2 White David John 2
#3 Hunt A 2
#4 Harrison Alan Edward 2
#5 Harrison A 2
#6 Debitsuto Jon Howaito 1
#7 White David J 1
#8 Harrison Alan E 1
#9 White D J 1
#10 Hunt Anthony O 1

Latest patents

Publication Filing date Title
GB1496523A Clutch or vibration damper
GB1387585A Drive couplings
GB1340695A Clutches and vibration dampers
GB1346051A Vibration dampers
GB1346052A Vibration dampers
GB1356250A Rotary drive couplings
GB1351726A Torsional vibration dampers
GB1282881A Improvements in and relating to vibration dampers
GB1282591A Improvements in or relating to drive couplings
GB1293391A Improvements in and relating to load-supporting means
GB1211072A Improvements in and relating to torsional vibration dampers
CA878846A Vibration damper