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DOHNAL VACLAV

Overview
  • Total Patents
    14
About

DOHNAL VACLAV has a total of 14 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Czechoslovakia. Its main competitors in its focus markets mechanical elements are JIANGSU JIANGHENG VALVES CO LTD, DOLEZAL JIRI and SHANGHAI JULIANG SOLENOID VALVE MFT CO LTD.

Patent filings in countries

World map showing DOHNAL VACLAVs patent filings in countries
# Country Total Patents
#1 Czechoslovakia 14

Patent filings per year

Chart showing DOHNAL VACLAVs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

Top inventors

# Name Total Patents
#1 Dohnal Vaclav 14
#2 Konopac Josef 6
#3 Cadek Jiri 4
#4 Gocal Milan 3
#5 Doskocil Ladislav 1
#6 Velek Vaclav 1

Latest patents

Publication Filing date Title
CS448389A1 Spindle's split nut
CS605888A1 Device for fittings' locking up especially with hand-operated control
CS49888A1 Body of the armature,esp. slide valve
CS806987A1 Wedge closure of sliding valve
CS760586A1 Splitted wedge for sluice valves
CS250634B1 Wedge closure
CS248519B1 Sealing joint for cover and body
CS227613B1 Boyonet joint,especially for coupling a body with armature yoke
CS224083B1 Wedge of gate valves
CS218137B1 Device for signalling the closure stroke
CS218013B1 Spindle nut
CS211572B1 Spindle matrix
CS197948B1 Spindle nut and method of making the same
CS193942B1 Connection of waveguide cone and fitting spindle