CRONENWETH EARL E has a total of 11 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, mechanical elements and civil engineering are KOTAKE KEISUKE, ITIRE LLC and EMTOP LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Mechanical elements | |
#3 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Vehicle tyre repairing | |
#2 | Springs | |
#3 | Safes |
# | Name | Total Patents |
---|---|---|
#1 | Cronenweth Earl E | 11 |
#2 | Hamer Charles G | 1 |
Publication | Filing date | Title |
---|---|---|
US1889043A | Spring oiler | |
US1642921A | Tire-chain applier | |
US1663681A | Teller's cage | |
US1545306A | Tire-chain applier | |
US1621398A | Antiskid chain | |
US1630111A | Tire-chain applier | |
US1511657A | Tire-chain applier | |
US1487317A | Automatic tire-chain applier | |
US1487316A | Spring oiler | |
CA252060A | Tire chain applier | |
CA274324A | Anti-skid chain |