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PIONEER OILSEALING & MOULDING

Overview
  • Total Patents
    23
About

PIONEER OILSEALING & MOULDING has a total of 23 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets mechanical elements and machines are ROTARY SEAL COMPANY, MACROTECH POLYSEAL INC and DURAMETALLIC CORP.

Patent filings in countries

World map showing PIONEER OILSEALING & MOULDINGs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Germany 5
#3 France 3
#4 Sweden 2
#5 India 1
#6 United States 1

Patent filings per year

Chart showing PIONEER OILSEALING & MOULDINGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Metcalfe Kenneth 7
#2 Ball Herbert 4
#3 Metcalfe K 3
#4 Wallwork Thomas 2
#5 Thompson Neil 1
#6 Nowell Roger 1
#7 Tillotson A H 1
#8 Barratt George Frederick 1
#9 Metcalfe Kenneth Nelson 1
#10 Tillotson Alan Hargreaves 1

Latest patents

Publication Filing date Title
GB1267920A Improvements in or relating to diaphragms
FR1540659A Improvements to front or annular joints
US3515393A Face seals
GB1206393A Improvements in and relating to face seals
GB1204854A A sealing assembly for liquids
GB1148885A Improvements in and relating to sealing rings
GB1131224A Improvements in and relating to labyrinth seals
GB1131223A Improvements in and relating to lip seals
GB867005A Improvements in or relating to bearing seals
GB822085A Improvements in or relating to bearing seals
GB838603A Improvements in or relating to safety devices for hydraulically operated machinery
GB852507A Improvements in or relating to sealing rings
GB739490A A liquid sealing device