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DRKAL JAN

Overview
  • Total Patents
    20
About

DRKAL JAN has a total of 20 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Czechoslovakia. Its main competitors in its focus markets machine tools are PROIZV OB KUZNECHNO PRESSOVOMU, VORON Z TYAZHELYKH MEKH PRESSO and TJAZHELOGO MASH.

Patent filings in countries

World map showing DRKAL JANs patent filings in countries
# Country Total Patents
#1 Czechoslovakia 20

Patent filings per year

Chart showing DRKAL JANs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Focus technologies

Top inventors

# Name Total Patents
#1 Drkal Jan 20
#2 Kovar Jan 9
#3 Brazda Ladislav 5
#4 Jelinek Vaclav 2
#5 Handl Ivo 1
#6 Malinak Petr 1
#7 Zalesak Jan 1
#8 Briza Milos 1
#9 Novacek Petr 1
#10 Nilas Vojtech 1

Latest patents

Publication Filing date Title
CS687085A1 Disengaging gear for rotatory motion's transmission driving and driven elements
CS808384A1 Rotary-hearth furnace's hearth's propulsion device
CS245570B1 Device for feed of oblong semi-product into tool
CS216684A1 Mechanical hand for robots and manipulators
CS230734B1 Ejecting device for mechanical press
CS216018B1 Stopping and safety appliance for rotating tables particularly of forming machines
CS212004B1 Connection of the hydraulic circuit of the pneumohydraulic power hammer
CS215508B1 Apparatus of the sliding working instrument particularly table shears
CS211633B1 Mechanism of the working machine drive particularly hydraulic shaping mandrel
CS207143B1 Appliance against overloading the mechanism with the reverse movement particularly of the forming machines
CS207059B1 Hydraulic distributor circuitry,especially in shaping machines with parallel motion of at least two double-acting linear hydraulic motors
CS203577B1 Ejecting facility of the multioperation transfer presses for production of nuts,bolts and machine parts
CS190198B1 Appliance for feeding the manipulated material at the transfer press
CS193205B1 Facility for balancing the ram of the forming machine particularly the transfer press
CS193609B1 Facility for balancing the press ram
CS186017B1 Descrutive safety pin against overloading of forming automatic machine
CS189943B1 Facility against overloading the transmitting mechanism of the shaping machines
CS180934B1 Balancing circuit for carrying equipment with carrying truck,especially of transfer automatic machines
CS187619B1 Device for feeding the flat bodies
CS184021B1 Rolling machine for cross tapered rolling