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ZENHAEUSERN HEINRICH

Overview
  • Total Patents
    110
About

ZENHAEUSERN HEINRICH has a total of 110 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Switzerland, Germany and Austria. Its main competitors in its focus markets civil engineering, mechanical elements and machines are SMART LEVEL COMPANY B V, PALMERSTON EXTENSION LADDER and EXTRALUMIN METALLURG IND.

Patent filings in countries

World map showing ZENHAEUSERN HEINRICHs patent filings in countries

Patent filings per year

Chart showing ZENHAEUSERN HEINRICHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zenhaeusern Heinrich 33
#2 Heinrich Zenhaeusern 16
#3 Zenhausern Heinrich 16
#4 Zenhausern H 4
#5 Weber Robert 4
#6 Zenhaeusern H 3
#7 Zenhausern Heirich 1
#8 Zenheusern H 1

Latest patents

Publication Filing date Title
CH684436A5 Process for connecting two pipe pieces, and pipe connection produced in accordance with the process
EP0279929A2 Fall protection device
DE3644559A1 Fall-prevention device displaceable on a rope
US4702349A Anchor step
CA1337065C Climbing rung
US4660681A Anchor and climbing rung
CA1244805A Anchor and climbing rung
DE3430848A1 STIRRUPS FOR FASTENING IN WALL AREAS
DE3346729A1 Pastime
DE3320385A1 Sleeve-type joint connection
DE3316839A1 Protective grating which can be fastened on a ladder
DE3311383A1 Horseshoe
CH631517A5 Twin-rail access fixture on a ladder
ATA277581A Horse shoe
HU182330B Horseshoe
FR2503240A1 Manhole entry ladder fixture mechanism - has ball flange bracket with flange turning freely in cylindrical ball bed
FR2503239A1 Device for fixing a double post access aid on ladders
DE3113201A1 Ladder-fastening device
DE3112106A1 Double-stringer ladder-entry securing device
ATA308679A Method for producing an ascending device