A E RITTENHOUSE CO INC has a total of 19 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States. Its main competitors in its focus markets consumer goods, electrical machinery and energy and measurement are HUDSON & CO WHISTLES LTD J, E A LAB and HERFORDER ELEKTRICITAETS WERKE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 19 |
# | Industry | |
---|---|---|
#1 | Consumer goods | |
#2 | Electrical machinery and energy | |
#3 | Measurement | |
#4 | Telecommunications | |
#5 | Machines | |
#6 | Agriculture |
# | Name | Total Patents |
---|---|---|
#1 | Lloyd Rittenhouse | 12 |
#2 | Warren Glenn E | 4 |
#3 | Lord Kenneth M | 4 |
#4 | Rittenhouse Arthur E | 4 |
Publication | Filing date | Title |
---|---|---|
US2265816A | Chime signal | |
US2265815A | Chime signal | |
US2245443A | Electric timing mechanism | |
US2278587A | Chime signal | |
US2245441A | Relay | |
US2245453A | Signal device | |
US2263051A | Signal device | |
US2240378A | Signal device | |
US2240339A | Telephone signaling system | |
US2230762A | Signal device | |
US2194507A | Signal device | |
US2164839A | Signal device | |
US2169770A | Signal device | |
US2189181A | Signal device | |
US2147498A | Signal device | |
US2156461A | Transformer | |
US2120153A | Signal device | |
US2060426A | Electrical terminal | |
US1982123A | Insect exterminator |