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WALLACE EXPANDING MACHINES

Overview
  • Total Patents
    43
About

WALLACE EXPANDING MACHINES has a total of 43 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets machine tools, machines and packaging and shipping are ERBA MARIO, SAML HANSON & SON LTD and MEROLLE AUGUSTUS L.

Patent filings in countries

World map showing WALLACE EXPANDING MACHINESs patent filings in countries

Patent filings per year

Chart showing WALLACE EXPANDING MACHINESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roper Ralph E 22
#2 Roper R 4
#3 E Roper Ralph 2
#4 Edward Roper Ralph 1
#5 Roper R E 1
#6 Roper Ralph Edward 1

Latest patents

Publication Filing date Title
US4576030A Stretch form die
US4536931A Bearing burnishing method and apparatus
US4062215A Process for expanding wheel components
AU3618071A Container with concave belt and lock seam
US3780899A Container with concave belt and lock seam
US3729795A Method for forming metal wheels
US3715906A Method and apparatus for forming a shadow mask frame
US3686921A Method and apparatus for processing coiled sheet metal
US3709162A Single sheet pallet
US3586204A Container and method of making same
US3530272A Method and apparatus for forming sheet metal corner members
US3585828A Bladder expander and casket product
US3584366A Process for manufacture of shadow mask frames
US3443413A Expander apparatus
US3440711A Method for forming sheet metal corner members
US3263477A Apparatus for forming metallic ring members
US3286570A Apparatus for forming metallic sheet members
US3254521A Apparatus for forming metallic sheet members
US3241348A Method and apparatus for forming sheet members
US3285490A Apparatus for making tubular members