HART GILBERT has a total of 11 patent applications. Its first patent ever was published in 1897. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machine tools are NII PRIRODNYKH SINT ALMAZOV I INSTR OAO VNIIALMAZ AOOT, SHIMIZU YOUZOU and PRZEMYSLU NARZEDZIOWEGO VIS K.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 7 | |
#2 | United States | 4 |
# | Industry | |
---|---|---|
#1 | Machine tools |
# | Technology | |
---|---|---|
#1 | Grinding tools |
# | Name | Total Patents |
---|---|---|
#1 | Hart Gilbert | 11 |
Publication | Filing date | Title |
---|---|---|
US945526A | Grinding-wheel. | |
CA102411A | Grinding wheel | |
US825460A | Grinding-wheel. | |
CA91883A | Grinding wheel | |
US779848A | Grinding-wheel. | |
CA71002A | Emery wheel chuck | |
US639035A | Chuck for emery-wheels. | |
CA62124A | Storage battery plate connectors | |
CA59359A | Electrode | |
CA11248A | Improvements on emery wheels | |
CA9096A | Improvements on emery wheels |