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KRONPRINZ AG

Overview
  • Total Patents
    324
About

KRONPRINZ AG has a total of 324 patent applications. Its first patent ever was published in 1935. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets transport, machine tools and electrical machinery and energy are SMITH ROBERT THOMAS, MAX HERING and AUTO RAEDER U FELGENFABRIK MAX.

Patent filings in countries

World map showing KRONPRINZ AGs patent filings in countries

Patent filings per year

Chart showing KRONPRINZ AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brinkmann Heinz Ing Grad 25
#2 Davids Hermann 22
#3 Lueders Albrecht Dr Ing 16
#4 Sutor Kurt 10
#5 Brinkmann Heinz 9
#6 Albert Dr-Ing Werner 8
#7 Schuettler Artur 8
#8 Brinkmann H 8
#9 Decker Ernst 8
#10 Hilgarth Dr-Ing Guenther 7

Latest patents

Publication Filing date Title
DE2829940A1 Tubeless tyre for bicycle with flat-bed wheel rim - has annular rubber, plastics or metal binding bonded between inner rims of tyre base
DE2827728A1 Durability tester for vehicle wheels with rubber tyres dismounted - using rim clamp sensors and central load arm with imbalance weight
GB1598993A Vehicle wheel for commercial vehicles
ES467095A1 A utility vehicle wheel. (Machine-translation by Google Translate, not legally binding)
IT7820033D0 Wheel-brake drum assembly for lorry - has common contact surface on line of bolt circle and surface is machined to prevent distortion in operation
NL7801320A Wheel-brake drum assembly for lorry - has common contact surface on line of bolt circle and surface is machined to prevent distortion in operation
DE2749534A1 Nut and washer for vehicle wheel clamping - are pressed together after coating with phosphate to prevent reduction of clamping force
DE2733307A1 Chain bearer roller for endless tracked vehicles - has soft steel wheel with hardened press fit rim and bonded rubber tyre
DE2732651A1 One-piece cast vehicle wheel - has final shape formed by spinning and rolling of well and rim
DE2732650A1 Wheel rim with shallow profile for brake cooling - has separate outer shoulder bolted to rim and sealing ring held in place by rim lip
DE2729079A1 Split wheel rim for heavy vehicle - has single adaptor ring screwed to side of main rim
DE2659764A1 Vehicle wheel with shallow profile rim - has hub welded to rim which is finish formed after tyre fitting
DE2654733A1 Two part heavy duty wheel rim - has strengthened bolt holes for rotational security, and pressure seals between sections
DE2636996A1 Brake drum fitting for wheel rim - has mounting flange welded to rim and drum mating surface formed with groove flanked by raised edges forming pressure areas
DE2635983A1 Tubeless tyre wheel rim mounting - has flange with raised lips around bolt holes forming pressure areas
DE2629511A1 Vehicle wheel for tubeless tyre - has circular contact surfaces on smooth surface of wheel centre disc
DE2623453A1 Rim for automobile wheel - has circumferential reinforcing rib and is welded to wheel disc
DE2622854A1 Safety tyre capable of running after blow-out - has rubber elastic support elements below or near the running surface
DE2558094A1 Wheel rim adaptor for spoked hub - with stress relief slots to prevent rim distortion when clamped to hub
CH611212A5 Vehicle wheel for dual tyres