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LEHMKUHL AS

Overview
  • Total Patents
    23
About

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.

Patent filings in countries

World map showing LEHMKUHL ASs patent filings in countries

Patent filings per year

Chart showing LEHMKUHL ASs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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