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ASHLAND PROD CO

Overview
  • Total Patents
    19
About

ASHLAND PROD CO has a total of 19 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machines and macromolecular chemistry and polymers are GAMMASTAMP SPA, WEIDTMANN WILHELM KG and INTERLOCK GROUP LIMITED.

Patent filings in countries

World map showing ASHLAND PROD COs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 6
#3 United Kingdom 1

Patent filings per year

Chart showing ASHLAND PROD COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Simpson Harold 15
#2 Roy Willour Le 2
#3 Wright Thomas Michael 1
#4 Purcell Stephen Mark 1
#5 Ryder Jacob R 1
#6 Smith Michael David 1
#7 Stoutenborough Eric Von 1

Latest patents

Publication Filing date Title
US4923230A Self-contained security lock for double-hung window
US4901475A Externally mounted latch for slidable sash window
US4791756A Latch for pivotal sash window
US4824154A Security lock for double-hung window
US4837975A Externally mounted latch for slidable sash window
US4622778A Latch and corner support for pivotal window sash
US4581850A Combination pivot corner and slide guide for sash window
US4578903A Corner locking and associated pivot means for extruded plastic sash windows
US4553353A Latch for pivotal sash window
US1524751A Lifting jack
US1373475A Lifting-jack
US1345055A Automobile-fan