LEHMKUHL AS has a total of 23 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United Kingdom, Norway and United States. Its main competitors in its focus markets thermal processes, digital networks and measurement are SHANGHAI YUNYU INTELLIGENT TECH CO LTD, M & FC HOLDING LLC and ZHANG WENFENG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 6 | |
#2 | Norway | 4 | |
#3 | United States | 4 | |
#4 | Sweden | 3 | |
#5 | Switzerland | 2 | |
#6 | Germany | 2 | |
#7 | Canada | 1 | |
#8 | Denmark | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Digital networks | |
#3 | Measurement | |
#4 | Control | |
#5 | Telecommunications |
# | Name | Total Patents |
---|---|---|
#1 | Holmen H K | 2 |
#2 | Seeberg Cato | 2 |
#3 | Gretteberg Frederik | 2 |
#4 | Seeberg C | 2 |
#5 | Eklund H | 1 |
#6 | Holmen Hans Kristian | 1 |
#7 | Lonnerod O | 1 |
#8 | Gretteberg Fredrik | 1 |
#9 | Fredrik Gretteberg | 1 |
#10 | Dahl D | 1 |
Publication | Filing date | Title |
---|---|---|
GB1520010A | Mobile radar apparatus | |
US4053881A | Mobile radar apparatus | |
GB1464699A | Method of liquid level indication by means of pressure measurement using a bubble tube | |
GB1321551A | Tubular heat exchanger | |
US3602645A | Method of automatic enciphering and deciphering of signal pulses | |
GB1150032A | Improvements in and relating to Heat Exchangers | |
GB1161633A | Selective Calling Communications Systems | |
US3470326A | Selective calling system employing an interdigital tone to aid in discrimination between signal tones | |
CA840495A | Method of automatic enciphering and deciphering of signal pulses |