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DUFFY MICHAEL J

Overview
  • Total Patents
    14
About

DUFFY MICHAEL J has a total of 14 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machines and packaging and shipping are BAER AUSTIN R, A W ANDERBERG MFG CO and JOSEPH SOSS.

Patent filings in countries

World map showing DUFFY MICHAEL Js patent filings in countries

Patent filings per year

Chart showing DUFFY MICHAEL Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duffy Michael J 14
#2 Daminski Jr Robert E 1
#3 Larocque Jessica G 1
#4 Beckwith John R 1
#5 Mattero John J 1
#6 Feit Andrew 1
#7 Smallwood David J 1

Latest patents

Publication Filing date Title
US9079662B1 Co-operative, modular, unmanned, vertical lift cargo vehicles
US2013179185A1 System and method for tactical medical triage data capture and transmission
US2013111703A1 Adjustable pivot deck lid
US2241394A Nonrefillable bottle
US2128922A Nonrefillable bottle
US1918636A Safety razor and hair cutter
US1822766A Safety razor and hair cutter
US1763505A Self-tightening nut
US1612182A Ball-bearing tire
US1146313A Milk-bottle.
US1010130A Sash-balance.
US969092A Lock-nut.
CA211762A Record cabinet