HEIDER GMBH has a total of 15 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Germany. Its main competitors in its focus markets telecommunications, audio-visual technology and electrical machinery and energy are HOSOI YUJI, SURE BEST LTD and INNOVI TECHNOLOGIES LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 15 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Audio-visual technology | |
#3 | Electrical machinery and energy | |
#4 | Control |
# | Technology | |
---|---|---|
#1 | Telephonic communication | |
#2 | Loudspeakers and microphones | |
#3 | Installation of electric cables | |
#4 | Alarm systems |
# | Name | Total Patents |
---|---|---|
#1 | Teichmann Wilfried | 6 |
#2 | Lenk Friedrich | 2 |
#3 | Heider F W | 2 |
#4 | Hermann Lenk Friedrich | 1 |
#5 | Wilhelm Heider Friedrich | 1 |
#6 | Teichmann Wilfreid | 1 |
Publication | Filing date | Title |
---|---|---|
DE2141126A1 | COMBINED BELLING, DOOR INTERCOM AND OPENING SYSTEM | |
DE1926073A1 | Circuit arrangement for combined door intercom and opener systems in single-family houses | |
DE1923219A1 | Circuit arrangement for connecting one of two door stations to a combined bell, opener and intercom | |
DE1911540A1 | Circuit arrangement for combined door intercom and door opener systems in apartment buildings |