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KALMAN STEEL CO

Overview
  • Total Patents
    65
About

KALMAN STEEL CO has a total of 65 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets civil engineering, machines and machine tools are BAUMBERGER WERNER, STANLEY MACOMBER and CVIKL ERNST.

Patent filings in countries

World map showing KALMAN STEEL COs patent filings in countries
# Country Total Patents
#1 United States 59
#2 Canada 2
#3 France 2
#4 United Kingdom 2

Patent filings per year

Chart showing KALMAN STEEL COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 White William E 47
#2 Gersman Harvey M 3
#3 Klocke William H 2
#4 Hardison Robert M 2
#5 Thomson William S 1
#6 Baum Isaac A 1
#7 Weller George L 1
#8 Dale George E 1
#9 Brody Maurice D 1
#10 Harry Jaffe 1

Latest patents

Publication Filing date Title
GB374870A Improvements in or relating to machines for the production of expanded metal lath
US1982714A Road chair
US1950343A Reenforcement for headers and stretchers
US1905023A Road strip and support
GB348183A Improvements in or relating to the production of expanded joists or the like
US1989504A Corner bead fastener
US1807364A Dowel bar support
US1735592A Mat chair
US1826913A Fastening for metal decking
US1824315A Lath clip and method of installing the same
US1838123A Suspended ceiling
US1838124A Bar tie
US1735591A Bridging for joists
US1734701A Method of bridging
US1735590A Bridging for joists
US1758678A Bridging
US1772654A Method of making road mats
US1878921A Anchor
US1712801A Spacer and support for bars
US1761323A Lath clip