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MARSHALL & WILLIAMS CO

Overview
  • Total Patents
    55
About

MARSHALL & WILLIAMS CO has a total of 55 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and packaging and shipping are BEVIS IND INC, MARSHALL AND WILLIAMS CORP and GROEZINGER MASCHF ARBACH.

Patent filings in countries

World map showing MARSHALL & WILLIAMS COs patent filings in countries

Patent filings per year

Chart showing MARSHALL & WILLIAMS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richter Hans Heinrich 9
#2 Parrillo Henry 5
#3 Richter Hans H 5
#4 Harrington John Sherman 4
#5 Curtis Glenn Howard 4
#6 Coburn Theodore Robert 3
#7 Hyatt Frederick 3
#8 Hosmer Christopher E 3
#9 Hansu Hainrihi Rihitaa 2
#10 Wyman Floyd H 2

Latest patents

Publication Filing date Title
US5797172A Tenter frame and method
US5351416A Clean air oven with heat recovery and method
US5081751A Apparatus for limiting the movement of tenter frame rails
US5067214A Tenter frame apparatus and method
US4926529A Tenter frame apparatus and method
US4896405A Tenter clip
US4949438A Tenter clip with replaceable bushings
US4787835A Nip indicator for casting machines
US4620844A Tenter chain
JPS59163254A Tenter clip
US4515313A Air knife apparatus
JPS5986533A Device and method of driving tentering frame
US4435909A Automatic lint screen
US4497096A Tenter frame drive and method
FR2495197A1 RAME, ROLLER CLIPPER AND SET OF CLAMPS AND RAILS FOR SUCH A RAME
US4298473A Drum filter apparatus
US4316309A Tentering clip chain
US4295284A Dryer range
GB2009273A Tentering clip chain
US4224166A Drum filter and method