DOLTER HENRI has a total of 13 patent applications. Its first patent ever was published in 1898. It filed its patents most often in Canada, Switzerland and Spain. Its main competitors in its focus markets transport are VARNEY THEODORE, DUDDELL WILLIAM DU BOIS and ZHEJIANG WANGLONG RAIL TRANSIT FACILITIES CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 3 | |
#2 | Switzerland | 3 | |
#3 | Spain | 3 | |
#4 | United Kingdom | 2 | |
#5 | United States | 2 |
# | Industry | |
---|---|---|
#1 | Transport |
# | Technology | |
---|---|---|
#1 | Power supply for electric vehicles |
# | Name | Total Patents |
---|---|---|
#1 | Dolter Henri | 9 |
#2 | Henri Dolter | 1 |
#3 | Mertens Gustav | 1 |
Publication | Filing date | Title |
---|---|---|
GB190525283A | Improvements in Electromagnetic Band Brakes for Vehicles. | |
US748053A | Bar for collecting electricity for sectional circuits. | |
CA75718A | Electric traction apparatus | |
US662921A | Apparatus for electric traction. | |
GB189911776A | Improvements in or in connection with Means for Supplying Current to Electrically Propelled Vehicles. | |
CA263701A | Earth metal | |
CA259715A | Earth metal manufacture |