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AP PARTS MFG

Overview
  • Total Patents
    84
About

AP PARTS MFG has a total of 84 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets environmental technology, machine tools and machines are BUFFALO PRESSED STEEL COMPANY, MARX JOSEPH P and MAROCCO GREGORY M.

Patent filings in countries

World map showing AP PARTS MFGs patent filings in countries
# Country Total Patents
#1 United States 32
#2 Canada 22
#3 Japan 16
#4 EPO (European Patent Office) 10
#5 Brazil 3
#6 Mexico 1

Patent filings per year

Chart showing AP PARTS MFGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harwood Jon W 39
#2 Clegg Michael W 11
#3 Rosa Bruno A 10
#4 Emrick James W 7
#5 Garey David 5
#6 Van Blaircum Bennie A 5
#7 Moring Iii Walter G 5
#8 Gerber James E 4
#9 Marlinga Terrance C 4
#10 Karlgaard Wayne A 4

Latest patents

Publication Filing date Title
US5816361A Exhaust mufflers with stamp formed internal components and method of manufacture
JPH10220222A Exhaust gas muffler
US5907904A Method of manufacturing an exhaust muffler with stamp formed internal components
US5859394A Muffler with stamped internal plates defining tubes and separating chambers
US5726398A Automotive bumper and muffler combination
CA2151103A1 Stamp Formed Muffler with Siphon Tube
US5563385A Stamp formed muffler with siphon tube
US5597986A Stamp formed muffler with nested chambers
US5491883A Method of manufacturing a non-linear composite tube
US5473891A Three-piece stamp formed connector for achieving equal length exhaust pipes
CA2123870A1 Exhaust mufflers with stamp formed internal components and method of manufacture
US5448831A Method of manufacturing a stamp formed muffler with hermetically sealed laminated outer shell
US5428194A Narrow width stamp formed muffler
US5327722A Stamp formed connector for achieving equal length exhaust pipes
US5390494A Pipe assembly for efficient light-off of catalytic converter
US5252788A Stamp formed muffler with in-line expansion chamber and arcuately formed effective flow tubes
US5280142A Heat shielded exhaust system component
US5164551A Stamp formed muffler with compound reinforcement pattern for preventing shell ring
US5173577A Stamp formed muffler with low back pressure
US5042125A Apparatus for manufacturing stamp formed mufflers