BOYCE WILLIAM S has a total of 19 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and macromolecular chemistry and polymers are LESTEEL SPRING CO LTD, SCHMIDT GUSTAV and VOSSLOH LAEIS GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 | |
#2 | Canada | 4 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Macromolecular chemistry and polymers |
# | Technology | |
---|---|---|
#1 | Machines for making railways | |
#2 | Compounding ingredients |
# | Name | Total Patents |
---|---|---|
#1 | Boyce William S | 19 |
Publication | Filing date | Title |
---|---|---|
US2613876A | Tie plate | |
US2167870A | Rail fastening | |
US2140891A | Rail fastening | |
US2038922A | Tie plate | |
US2038919A | Tie plate | |
US2018658A | Tie plate | |
US1902615A | Rail support and fastening means | |
US1854921A | Angle bar for rail joints | |
US1837183A | Tie plate | |
US1776882A | Tie plate | |
US1870440A | Tie-plate | |
US1587751A | Tie plate | |
US1583774A | Tie plate | |
US1583773A | Tie plate | |
CA175582A | Rail joint | |
US1029970A | Metallic railroad-tie. | |
CA310281A | Tie-plate | |
CA388279A | Rail fastener | |
CA268483A | Tie plate |