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ENGSTFELD WILH FA

Overview
  • Total Patents
    50
About

ENGSTFELD WILH FA has a total of 50 patent applications. Its first patent ever was published in 1939. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets civil engineering, thermal processes and materials and metallurgy are ASSA ABLOY SICHERHEITSTECHNIK, KIEKERT AG and DONGSUNG IND CO.

Patent filings in countries

World map showing ENGSTFELD WILH FAs patent filings in countries
# Country Total Patents
#1 Germany 41
#2 Austria 4
#3 Switzerland 2
#4 United States 2
#5 France 1

Patent filings per year

Chart showing ENGSTFELD WILH FAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Junghanns Paul 33
#2 Buerger Friedhelm 8
#3 Walder Werner 7
#4 Junghans Paul 3
#5 Frede Herbert 2
#6 Paul Junghanns 1
#7 Braun-Feldweg Wilhelm Prof Dr 1
#8 Burger Friedhelm 1

Latest patents

Publication Filing date Title
DE2803508A1 Handle for tubular frame door - has cranked part defining safety notch which receives thumb of user
DE2735631A1 HANDLE POSITION LOCKING DEVICE
DE2730037A1 Combined handle and lock for window - has spindle which is displaced axially by key to disengage bolt linkage
DE2726907A1 Support strut for horizontally hinged window - passes through friction block mounted on casement and pivoted on frame at top end
DE2657572A1 Door or window handle - has axially sliding spindle which can be disengaged from latch mechanism
DE2536436A1 Letter box with spring-loaded flap - has frame assembled from two cross pieces and two end pieces which slot together
DE2504918A1 CRUCIBLES FOR MELTING, KEEPING WARM AND CASTING METALS
DE2457720A1 Mortice dead lock operable from both sides - has latch and control members incorporated into moving sections
DE2352459A1 Belt grinding machine with belt and contact disc - has oscillating movement of contact disc relative to grinding shaft, with return effected by magnetic repulsion
DE2337250A1 Polishing machine with belt mounted on oscillating wheel - uses magnet on spindle mount to impart the oscillation
DE2320347A1 Crucible with electrically heated base - and resistance elements arranged across base in ceramic lining
DE2320049A1 FITTINGS FOR WINDOWS, DOORS OR THE SAME
DE2262225A1 DOOR SHEET
DE2262322A1 MOUNTING LOCKERS IN THE LOCK POCKET OF A DOOR LEAF
DE2229101A1 LOCKNUT
DE2225067A1 DOOR WITH LOCK POCKET
DE2215968A1 FITTINGS FOR WINDOWS, DOORS OR. DGL.
DE2164812A1 FITTINGS FOR DOORS OR DGL
DE2161537A1 CLAMPING FASTENING OF A PUSH PIN IN A LOCK NUT
DE2158866A1 Melt out gassing lance - with porous refractory tube