Learn more

ENGEL RUDOLF

Overview
  • Total Patents
    20
About

ENGEL RUDOLF has a total of 20 patent applications. Its first patent ever was published in 1938. It filed its patents most often in Germany, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, environmental technology and chemical engineering are TAJIMA SERVICE KK, AKW APPARATE VERFAHREN and MATSUDA KOGYO KK.

Patent filings per year

Chart showing ENGEL RUDOLFs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Engel Rudolf 19
#2 Muther Christoph 10
#3 Reich Sieglinde 1
#4 Hajek Josef 1
#5 Rudolf Engel 1

Latest patents

Publication Filing date Title
DE19703577A1 Method for treating lighter shredded fractions from scrap vehicles
DE19602205A1 Device for treating composite elements
DE19517137A1 Combustion engine cylinder and enclosed combustion chamber
CA2185214A1 Method and device for treating composite elements
DE4432321A1 Processing of mixed recycled thermoplastics
DE4421360A1 Grinding and classification of scrap composite materials
DE4223377A1 Protective material for leather and plastic surfaces, esp. shoe heels - comprises air-drying, film-forming liq., e.g. soln. of vinyl] acetate copolymer or mixt. of poly:ol and poly:isocyanate solns.
DE4209780A1 Tyre road grip improving device for winter conditions - comprises profiled tread blocks surrounded by e.g. fibre reinforced plastic mouldings harder w.r.t. tread rubber and comb structure for improved flexing
DE4135343A1 Protection for lady's shoe stiletto heels - is tubular, transparent, rubber or thermoplastic, non-removable sheath
US5088534A Traction device having projecting ribs which fit into grooves of a tire tread
EP0319943A1 Process for making moulded articles