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SPECIALTY ENGINEERING COMPANY

Overview
  • Total Patents
    20
About

SPECIALTY ENGINEERING COMPANY has a total of 20 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, transport and electrical machinery and energy are EXPRESSO FRANCE, GUANGDONG INFOSOURCE LOGISTICS EQUIPMENT CO LTD and GUENTHER SYSTEMS INC.

Patent filings in countries

World map showing SPECIALTY ENGINEERING COMPANYs patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 1

Patent filings per year

Chart showing SPECIALTY ENGINEERING COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pfeiffer Charles G 12
#2 Parker Jr George W 4
#3 Frank Mccurtain 1
#4 Arthur Warner 1
#5 Pfeiffer Charles George 1
#6 Ogden John G 1
#7 Ashford Leonard F 1

Latest patents

Publication Filing date Title
US2478448A Metallic truck body
US2297840A Tank construction
US2306119A Vehicle body mounting means
US2318794A Truck body
US2324872A Advertising sign
US2222986A Truck body
US2179795A Transformer
US2024596A Truck body
US1694019A Gravity chute
US1696780A Material-handling apparatus
US1802089A Gravity conveyer
US1673777A Portable loading machinery
US1654829A Auxiliary feeding means for loading machinery
US1550843A Apparatus for unloading vessels
US1576940A Pocket or storage bin
US1442292A Chain conveyer
US1485812A Loading machinery
US1483594A Grading machine
US1446270A Troughing idler for conveyer belts
CA244237A Loading machinery