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MAHAFFY & HARDER ENG CO

Overview
  • Total Patents
    81
About

MAHAFFY & HARDER ENG CO has a total of 81 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets packaging and shipping, machines and mechanical elements are PACKAGING FRONTIERS INC, LACHENMEIER KURT APS and VOLPAK SA.

Patent filings per year

Chart showing MAHAFFY & HARDER ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mahaffy Reid A 39
#2 Hamilton Joel A 17
#3 Anderson George W 11
#4 Giordano John A 10
#5 Harder John R 9
#6 Garson Eugene 8
#7 Pinney Wesley W 8
#8 Ostrow Milan R 8
#9 Hamilton J 6
#10 Mahaffy R 6

Latest patents

Publication Filing date Title
US5385003A Method and apparatus for moving and closing packaging trays
CA2081079A1 Method and apparatus for producing a sealed package capable of long-time shelf life
US4819409A Apparatus for forming an adhesive sealed package
US4777782A Apparatus and methods for making differentially-conditioned package pairs
US4709535A Packaging loader apparatus for sliced food products
WO8602615A1 Method and apparatus for forming an adhesive sealed package
US4349999A Packaging techniques for semi-rigid packages
US4373341A Expandible package for dispensing containers
US4624099A Packaging apparatus for making gas-filled packages from plastic film
US4308711A Packaging apparatus and techniques for forming closure-tops
US4277931A Packaging techniques for semi-rigid packages
US4223513A Packaging apparatus for forming specially shaped packages
CA1095396A Packaging apparatus and techniques for forming closure tops
US4114348A Packaging techniques for semi-rigid packages
US4085565A Packaging apparatus for forming specially shaped packages
US4034536A Packaging apparatus and techniques
CA1012051A Method and apparatus for making a package
US4055671A Hermetically sealed package
US3903309A Self-leak indicating package
US3958394A Continuous movement packaging machine