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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 59 | |
#2 | Canada | 2 | |
#3 | France | 2 | |
#4 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Machine tools |
# | Technology | |
---|---|---|
#1 | Structural elements | |
#2 | Construction of roads | |
#3 | General building constructions | |
#4 | Unspecified technologies | |
#5 | Finishing work on buildings | |
#6 | Punching metal | |
#7 | Scaffolding | |
#8 | Shafts | |
#9 | Unspecified technologies | |
#10 | Roof coverings |
# | 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 |
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 |