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SPECO INC

Overview
  • Total Patents
    15
About

SPECO INC has a total of 15 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, machine tools and electrical machinery and energy are MINE AND SMELTER SUPPLY COMPAN, FRASER GEORGE H and MASUDA TSUNEO.

Patent filings in countries

World map showing SPECO INCs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 2
#3 Germany 1

Patent filings per year

Chart showing SPECO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hess Charles W 7
#2 Anderson Chester A 2
#3 Witte Walter R 2
#4 Hess Charles William 1
#5 Aulson Michael F 1
#6 Scriven Jr Albert K 1
#7 Mussehl Clifford L 1
#8 Witte W 1

Latest patents

Publication Filing date Title
CA1136968A Plate and stud combination for a rotary meat grinder
US4180212A High speed rotary knife and blade insert assembly therefor
US4037494A Method of producing a radial arm-type meat grinder cutter blade
US3993255A Meat grinder cutter blade of the radial arm type
US4004742A Rotary meat grinder with bone-collecting facilities
US4003521A Dual-phase meat grinder adapter
US3779565A Composite expansible biasing and sealing gasket
US3989239A Sheet stacking apparatus
US3653599A Fluid spray apparatus
US3573223A Smoke generator with automatic control system therefor
US3542104A Meat grinder with pneumatically-biased retainer ring
US2955490A Template construction for automatic drilling machine
US2955489A Automatic drilling machine