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GROLL ALVIN F

Overview
  • Total Patents
    35
About

GROLL ALVIN F has a total of 35 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machine tools, machines and packaging and shipping are DSO MONTAJI, SUTTON ENG CO and ZAKLADY URZADZEN CHEM.

Patent filings in countries

World map showing GROLL ALVIN Fs patent filings in countries
# Country Total Patents
#1 Canada 18
#2 United States 17

Patent filings per year

Chart showing GROLL ALVIN Fs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Groll Alvin F 35

Latest patents

Publication Filing date Title
US3343393A Space saving strip stock uncoiler with feed loop
US3172614A Cradle mechanism with cone type coil supports
US3216277A Crank throw adjusting means
US3261194A Strip stock feeder
US3240044A Strip stock feeder
US2984012A Stock metering device
US3076368A Micro-adjustable strip stock feeder
US2914204A Guide rail adjusting mechanism
US2947402A Tiltable roll transfer ramp
US3022812A Feed control means
US3107066A Cradle mechanism with cone type coil supports
US2965328A Device for peeling strip metal from coils thereof
US2877961A Tiltable cradle
US2944458A Device for feeding strip metal to power presses having positive works clamp releasing means
US2729447A Two speed press feeder
US2731213A Strip stock feeder
US2728571A Strip stock feeders
CA625925A Tiltable roll transfer ramp
CA820608A Crank throw adjusting means
CA753913A Strip stock feeder