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CHRISTOPH & UNMACK AG

Overview
  • Total Patents
    110
About

CHRISTOPH & UNMACK AG has a total of 110 patent applications. Its first patent ever was published in 1908. It filed its patents most often in Germany, France and Austria. Its main competitors in its focus markets transport, civil engineering and environmental technology are KIRUNA WAGON AB, AERO TRANSP PRODUCTS INC and TALBOT WAGGONFAB.

Patent filings in countries

World map showing CHRISTOPH & UNMACK AGs patent filings in countries
# Country Total Patents
#1 Germany 70
#2 France 17
#3 Austria 13
#4 United Kingdom 9
#5 United States 1

Patent filings per year

Chart showing CHRISTOPH & UNMACK AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sahlberg Wilhelm 5
#2 Geissen Dipl-Ing Carl 2
#3 Henze Willy 1
#4 Wilhelm Sahlberg 1
#5 Cramer Dipl-Ing Eugen 1
#6 Geissen Carl 1
#7 Wild Johann 1

Latest patents

Publication Filing date Title
US2230628A Wooden girder
DE736905C Single-handled girder, especially for platform roofs
DE693928C Device to improve the stability of roofed wagons
DE680052C Lifting device for the tipping bridge of road vehicles, especially trucks
DE738122C Wooden beams
DE709990C Metal-free wood connection
GB474515A Improvements in or relating to vehicle windows
DE727078C Construction part of a frame truss made from solid plywood webs and timber girders
DE714553C Frame trusses glued together from solid plywood webs and square timber girders
DE670718C Side wall windows in vehicles, in particular in rail vehicles
DE669795C Device for holding the trailer drawbar provided with an overrun brake rod in the coupling position
DE654494C Engine frame with main and support bearings for diesel-electric or mechanical rail vehicles
DE737854C Car body for vehicles, in particular for light rail vehicles
DE659123C Dismountable barracks made from standardized components of the same size
DE600573C Brake cylinder for optional operation using negative or positive pressure for motor vehicles
DE662628C Rail car
DE651617C Brake for fast moving trains or railcars
GB395540A Improvements in metal wall, floor and ceiling structures
DE654561C Articulated train, consisting of a single-axle car and only one two-axle intermediate car
DE620521C Railway wheel axle with braking device arranged in the interior of the wheels, especially for rapid transit cars