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HOESCH ESTEL WERKE AG

Overview
  • Total Patents
    185
About

HOESCH ESTEL WERKE AG has a total of 185 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Germany, Japan and United States. Its main competitors in its focus markets mechanical elements, civil engineering and machine tools are ESR TECHNOLOGY LTD, YUTAKA KK and HOESCH AG.

Patent filings per year

Chart showing HOESCH ESTEL WERKE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kirchhoff Ernst 8
#2 Steinfeld Horst E 7
#3 Striepeke Wilhelm 6
#4 Dahlhaus Peter 6
#5 Knaepper Klaus 5
#6 Muckenheim Fritz 5
#7 Arendt Hans F 5
#8 Striepeke W 5
#9 Engel Arno 4
#10 Zielonka Guenter 4

Latest patents

Publication Filing date Title
DK531683D0 Insert socket connection with an elastic sealing ring for stalros
US4507021A Profile element for mining applications
CA1200132A Landing mat or the like
DE3218155A1 Locking element
CA1196692A Controlled grinding of rollers for elimination of cracks
GB2102859A Expendable closure plug
DE3142073A1 WELDED PIPE CONNECTION AND METHOD FOR PRODUCING A PIPE CONNECTION
DE3138659A1 Test method for detecting defects in welds
JPS5781501A Molded tie
DE3129391C1 Process for the production of castings with cast steel tubes
US4368932A Sheet-metal ring mount for anti-friction bearing
DE3115827A1 DEVICE FOR CROSSING AND STRAPPING BOARD- OR BEAM-LIKE REINFORCEMENT UNDER PACKAGING PIECES
DE3114759A1 Vineyard stake
EP0042029A1 Conveyor roll for an annealing furnace
DE3048007A1 AMBIENT AIR HEAT EXCHANGER
DE3047464A1 STORAGE FOR RAILWAY BOGIES
DE3047088A1 Metal strip coating removal - before welding by acid, alkaline solution, rotary brushes and drying
DE3042797A1 SLEEVELESS CLOSED METAL STRAP WITH LOCKING LOCK
DE3042796A1 Piece-goods spin dryer - has winding sleeve in drum to allow fabric to unwind for spin drying
DE3042198A1 Washing machine drum - has controlled water feeds and drum speeds to ensure saturation with reduced water consumption