OSCAR WIEDERHOLD has a total of 11 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United States and France. Its main competitors in its focus markets thermal processes, transport and electrical machinery and energy are TREVIGIANA APPARECCHI RISCALD, ZHEJIANG ENTIVE ELECTRIC CO LTD and PIGEON SA DES ETS.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | France | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Transport | |
#3 | Electrical machinery and energy | |
#4 | Measurement | |
#5 | Materials and metallurgy | |
#6 | Machines |
# | Technology | |
---|---|---|
#1 | Domestic stoves | |
#2 | Vehicle windows, roofs and doors | |
#3 | Burners | |
#4 | Lighting device details | |
#5 | Building materials | |
#6 | Measuring volume | |
#7 | Spraying devices |
# | Name | Total Patents |
---|---|---|
#1 | Oscar Wiederhold | 9 |
#2 | Wiederhold Oscar | 1 |
#3 | Mulch Theodore H | 1 |
Publication | Filing date | Title |
---|---|---|
US2340722A | Vehicle glare shield and operating means therefor | |
US2223710A | Motor vehicle glare preventing means | |
US2022396A | Oscillating sprinkler | |
US1963817A | Gas stove | |
US1683375A | Radiant for heaters and the like | |
US1680076A | Light for shaving and the like | |
US1533680A | Electrically-actuated gauge | |
US1567691A | Heater | |
US1446365A | Heater | |
US773335A | Lamp. |