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HERTEL KARL

Overview
  • Total Patents
    154
About

HERTEL KARL has a total of 154 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Germany, Canada and Switzerland. Its main competitors in its focus markets machine tools, machines and mechanical elements are BITMOORE AN OREGON GENERAL PAR, AMYOT ETS SA and HEAD KENNETH AUBREY JOSEPH.

Patent filings per year

Chart showing HERTEL KARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hertel Karl 71
#2 Hertel Karl Gustav 11
#3 Hertel Guenther 10
#4 Karl Hertel 3
#5 Hertel Gunther 2
#6 Holy Franz 1
#7 Hertel Karl G 1
#8 Schudzich Helmut 1
#9 Kohlbauer Johann Georg 1
#10 Kaaru Haateru 1

Latest patents

Publication Filing date Title
DE3635910A1 Drive unit for rotary tools
DE3619245A1 Twist drill
US4740115A Broach
DE3514192A1 Tool with a clamping device
DE3512304A1 Broach
DE3512291A1 Broach for rotary broaching
DE3510486A1 Broach for rotating broaching
DE3508513A1 Tool-change holder
DE3508231A1 DRIVE UNIT FOR ROTATING TOOLS
DE3504381A1 Split tool for machining
DE3501978A1 Broach
DE2741954A1 Solar cell prodn. - by depositing semiconductor pn junctions in anodised aluminium pores during electron beam irradiation
US4087192A Cutting tool bit
DE2637757A1 Form tool for cutting screw thread - has two sets of teeth arranged symmetrically for easy interchange
US4035887A Cutting tools
ES441979A1 Improvements in cutting tools (Machine-translation by Google Translate, not legally binding)
DE2546486A1 Swarf removing tool holder - has floor and rear side locating surfaces, one having obtuse angled sloping faces
US3947937A Control groove in cutting elements for metal working tools
CA1010640A Cutting element for cutting metals
DE2532862A1 Flat rectangular blade for chipping wood, plastic etc. - with reduced wt. without affecting inherent strength at corners