SEDNEFF CONSTANTIN DE has a total of 11 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United Kingdom, United States and Denmark. Its main competitors in its focus markets electrical machinery and energy and environmental technology are LIUZHOU WUHUAN PLUMBING EQUIPMENT SALES DEPT, INGSCHULE MASCHINENBAU and ERNY WILHELM.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 4 | |
#2 | United States | 3 | |
#3 | Denmark | 2 | |
#4 | Austria | 1 | |
#5 | Switzerland | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Batteries | |
#2 | Reduction of greenhouse gas emissions |
# | Name | Total Patents |
---|---|---|
#1 | Sedneff Constantin De | 10 |
#2 | Constantin De Sedneff | 1 |
Publication | Filing date | Title |
---|---|---|
US1149558A | Electrical accumulator. | |
GB191301066A | Improvements in Electrical Accumulators. | |
GB191401119A | Improvements in Electrical Accumulators. | |
GB191218571A | Improvements in Electrical Accumulators. | |
US768630A | Electric accumulator. | |
GB190215807A | Improvements in or relating to Electric Accumulators | |
US1213467A | Electric accumulator. |