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HOPT GMBH KARL

Overview
  • Total Patents
    24
About

HOPT GMBH KARL has a total of 24 patent applications. Its first patent ever was published in 1957. It filed its patents most often in Germany, EPO (European Patent Office) and Switzerland. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and measurement are FRANZOSI ROBERTO, ENERGY RES & DEV CORP and VAPOR FUEL TECHNOLOGIES INC.

Patent filings in countries

World map showing HOPT GMBH KARLs patent filings in countries

Patent filings per year

Chart showing HOPT GMBH KARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dolderer Erich A 10
#2 Hopt Erwin 8
#3 Hopt Erwin Dipl Ing 2
#4 A Dolderer Erich 1
#5 Rudolf Hopt 1
#6 Bayer Ewald 1
#7 Dolderer E A 1
#8 Buehler Berthold 1
#9 Sautter Gerhard 1
#10 Heinrich Helmut 1

Latest patents

Publication Filing date Title
DE3503594A1 Device for the operation of a motor vehicle with either petrol or liquid gas
DE3503593A1 DEVICE FOR OPERATING A MOTOR VEHICLE WITH GAS SHAPED FUEL
DE3406860A1 Liquid gas system for motor vehicles
DE3332516A1 DOSING DEVICE FOR GASEOUS FUEL
DE3244297A1 Solenoid valve
DE3233932C1 Device for reducing the fuel supply of a drive motor of a motor vehicle
DE3233936A1 Device for measuring the level of liquid gas in a cylindrical liquid gas tank of a motor vehicle
DE3233937A1 Safety and display device for a liquid gas system in a motor vehicle
DE3233935A1 Device for the alternative operation of an internal combustion engine with petrol or liquid gas
DE3227010A1 Metering device for gaseous fuel
DK313182A Dosage device for gas fuel
DE3219527A1 Cassette drive mechanism
DE3205935A1 Secondary air feed
DE3014475A1 Pushbutton unit with clamping piece - moves linearly in plane of search member and is coupled to pushbutton head
DE2940576A1 Tuner assembly keyboard with shaft mounted search member - has slider with adjusting edges for adjacent keys, with edges located at different planes
DE2908285A1 Drive mechanism for tape cassette - has reverse drive reducing acoustic noise generated by ejection of cassette
DE2654406A1 Flexible working hours time clock - has program memory containing binary coded control commands for triggering core time and flexible time
DE2627921A1 Detector for different time intervals, esp. gliding time - has counters counting clock pulses and display units which are different for various weekdays