Learn more

GRUBER HANS

Overview
  • Total Patents
    27
About

GRUBER HANS has a total of 27 patent applications. Its first patent ever was published in 1911. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets measurement, machines and surface technology and coating are HULL WALTER E, JOHNSON LEVEL & TOOL MFG and ULLRICH G MESSWERKZEUG KG.

Patent filings in countries

World map showing GRUBER HANSs patent filings in countries
# Country Total Patents
#1 Germany 15
#2 Austria 4
#3 Switzerland 4
#4 United Kingdom 2
#5 Canada 1
#6 United States 1

Patent filings per year

Chart showing GRUBER HANSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gruber Hans 10
#2 Gruber Hans Dr Ing 8
#3 Dr Gruber Hans Ing 2

Latest patents

Publication Filing date Title
DE4115451A1 Double-wall building structure
DE4106087A1 Adjustable reclining surface - has weighing cells detecting pressures on parts of surface
DE4104408A1 Multi-unit separately-driven device for transportation - with e.g. two forward and two rearward units flanking central adjustable-speed unit
DE3741703A1 Grid for articles to be produced graphically or by other methods
DE3732336A1 Devices for the open-loop and closed-loop controlling of signals and information which are created, transmitted and/or reproduced by electrical means, electronic means and/or laser
DE3726910A1 Method of producing products with endless surfaces, without edges, to form envelopes
DE3624141A1 Vessels for liquids, for strengthening the effect of temperature differences
DE3622728A1 Methods and apparatus for cleaning gases
US3502553A Process and apparatus for the electrolytic continuous direct production of refined aluminum and of aluminum alloys
GB503065A Improvements in levels and inclinometers
GB517517A Improved method of and apparatus for storing and transporting molten materials
CA390440A Measuring or surveying instrument