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PFEIFFER CHEMIE ARMATUREN

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    236,132
About

PFEIFFER CHEMIE ARMATUREN has a total of 15 patent applications. Its first patent ever was published in 1977. 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 mechanical elements, chemical engineering and measurement are WUHU NAIDE RUBBER TUBE VALVE IND CO LTD, WUHAN SHENGYU DRAINAGE SYSTEMS CO LTD and DALIAN EAGLE TEC CO LTD.

Patent filings in countries

World map showing PFEIFFER CHEMIE ARMATURENs patent filings in countries

Patent filings per year

Chart showing PFEIFFER CHEMIE ARMATURENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Druyen Stephan 5
#2 Pfeiffer Horst 4
#3 Stolzenberg Lorenz Dipl Ing 3
#4 Thomas Karl-Wilhelm 1
#5 Drechsler Wilfried 1
#6 Stolzenberg Lorenz 1
#7 Stolzenberg Eric 1
#8 Roschuetz Michael 1

Latest patents

Publication Filing date Title
WO2015139823A1 Protective lining for a process fluid-carrying inner surface of a channel of a metal part, metal housing and method for producing said protective lining
EP1843066A1 Mechanism for the dosed filling of a medium
EP1835208A1 Network protection device for a gas or fluid supply network to which a large number of consumers is connected, where the network protection device is located in the connecting pipeline between the supply network and the individual consumer
DE102006012551A1 Device for dosed filling of medium, has inlet port, discharge opening having housing section and shut-off valve connecting inlet port with opening between opening position, where valve is formed as stop cock plug swiveling around axis
DE10318902B3 Arrangement for cleaning a main pipeline containing a flowable product using a pig comprises a pig transfer ball valve arranged in a bypass line and having a ball with a pocket hole receiving the pig
DE19547394A1 Piggable distribution device for piping systems
DE19513104A1 Pipeline pig, used for inspection and cleaning
EP0616167A1 Pig launcher/receiver for pipelines
EP0591687A1 Butterfly valve for insertion between two tubes
DE3932698A1 Transmission piece for movement onto adjustment - consists of housing, with metal concertina and bar with cranks
DE3932202A1 Discontinuous sampling arrangement for product line - has blocking and dispensing element which seals product line outlet before reaching its closed position
DE3023927A1 Rotary plug valve with housing seat - coacting with cylindrical portion of plug rotatable about axis eccentric to seat axis in two directions
DE2925004A1 Shut=off valve for aggressive media - has chevron seals with lining and facings entirely of PTFE
DE2711023A1 PTFE-coated ball cock used in contact with corrosive materials - the ball being clamped between two PTFE-lined connectors, using PTFE seating rings