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RINGSDORFF WERKE GMBH

Overview
  • Total Patents
    181
About

RINGSDORFF WERKE GMBH has a total of 181 patent applications. Its first patent ever was published in 1942. It filed its patents most often in Germany, France and United States. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and measurement are DYNATECH LAB, TROLEX LTD and MORGANITE INC.

Patent filings per year

Chart showing RINGSDORFF WERKE GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huetsch Bruno 18
#2 Schmidt Bernd 17
#3 Schwalm Julius 8
#4 Sckerl Walter 7
#5 Hutsch Bruno 7
#6 Mueller Paul 5
#7 Frech Wolfgang 5
#8 Mueller Hans Josef 5
#9 Zimmermann Wolfgang 4
#10 Heimann Conrad 4

Latest patents

Publication Filing date Title
DE4411059A1 Material for mfg. piston
DE4326613A1 Bow contact for current collectors
DE4326614A1 Slip bar for current collector
JPH0617869A Shock absorber piston having multi-split structure
DE4223593A1 Tube furnace with sample holder for electrothermal atomization
DE4110023A1 SHOCK ABSORBER PISTON FROM UNEQUAL, JOINTED PARTS
DE4109878A1 Mounting for current-collecting shoe of pantograph - uses spring-loaded bolt to attach baseplate to carrier
AU6561690A Graphite tube furnace for atomic absorption spectroscopy having specimen support maintained stationary
DE4024021A1 Sliding electrically- and heat-conducting article contg. carbon - esp. for transferring electric current with body of filled temp.-resistant conductive synthetic resin bonded to 2nd body
EP0412297A2 Threaded connection with ceramic parts
EP0442009A1 Tubular graphite furnace with a sample carrier with positive location means for atomic absorbtion spectroscopy
DE3919008A1 GRINDING BRACKET FOR COLLECTORS OF ELECTRIC VEHICLES
FR2631448A1 Graphite tubular oven with sample support for atomic absorption spectroscopy
DE3823346A1 Graphite furnace with a sample holder for atomic absorption spectroscopy
DE3736329A1 Gasket (sealing ring) for exhaust pipe
DE3736035A1 METHOD FOR PRODUCING A ADHESIVE SANDBAND FOR CURRENT COLLECTORS
DE3734002A1 Method of producing a component of sintered iron or sintered steel
DE3734001A1 Apparatus for atomic absorbtion spectroscopy
DE3727571A1 METHOD FOR THE POWDER METALLURGIC MANUFACTURE OF CAMS
EP0283544A1 Pressure-sintering mould made of graphite