KLEIN WILLIAM C has a total of 13 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets transport, machines and agriculture are BAUTZ A G J, MATS FISCHIER I BAASTAD AB and GRUBER JOSEF.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Machines | |
#3 | Agriculture | |
#4 | Materials and metallurgy | |
#5 | Environmental technology | |
#6 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Vehicle wheels | |
#2 | Harvesting | |
#3 | Locomotives | |
#4 | Unspecified technologies | |
#5 | Pig-iron processing | |
#6 | Rail vehicle suspensions | |
#7 | Climate change mitigation in goods production | |
#8 | Ladders | |
#9 | Guiding railway traffic | |
#10 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Klein William C | 13 |
Publication | Filing date | Title |
---|---|---|
US2330780A | Trolley derailer | |
US2298135A | Rotary reel electric lawn mower | |
US2236433A | Lawn mower | |
US1956195A | Cushion car wheel | |
US1834847A | Roller bearing differential wheel | |
US1874761A | Railway car truck assembly | |
US1813856A | Direct drive for antifriction roller bearing free wheels | |
US1810834A | Roller-bearing free wheel drive | |
US1802259A | Antifriction roller bearing free wheel | |
US1637906A | Roller-bearing free wheel | |
US1499224A | Pneumatically-controlled electric switch mechanism | |
US1473480A | Method of making steel or semisteel car wheels | |
US1393543A | Vehicle-drive |