KEMPSTER DANIEL E has a total of 11 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, machine tools and machines are HESS BRIGHT MFG CO, NORMA HOFFMANN BEARINGS CORP and ROLLWAY BEARING COMPANY INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machine tools | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Shafts | |
#2 | Unspecified technologies | |
#3 | Turning | |
#4 | Metal wire processing |
# | Name | Total Patents |
---|---|---|
#1 | Kempster Daniel E | 11 |
#2 | Currier James H | 2 |
Publication | Filing date | Title |
---|---|---|
US1070696A | Handle or bail making machine. | |
US1018324A | Antifriction-bearing. | |
US799006A | Reversible chuck. | |
US779047A | Reversible chuck. | |
US747324A | Antifriction-bearing. | |
US683772A | Trolley-wheel. | |
US681643A | Antifriction-bearing. | |
US683408A | Antifriction-bearing. | |
CA16221A | Improvements on spring shade rollers | |
CA24114A | Type-writer | |
CA23524A | Copying press |