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SCHLUMBERGER COMPTEURS

Overview
  • Total Patents
    413
About

SCHLUMBERGER COMPTEURS has a total of 413 patent applications. Its first patent ever was published in 1970. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets measurement, environmental technology and electrical machinery and energy are COMPTEURS COMP D, YOKOGAWA ELECTRIC WORKS LTD and KENT LTD G.

Patent filings per year

Chart showing SCHLUMBERGER COMPTEURSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Janssen Sylvain 7
#2 Gauthier Michel 6
#3 Bazin Alain 4
#4 Salle Patrick 4
#5 Coninx Marcel 3
#6 Herrmann Pierre 3
#7 Goyon Rene 3
#8 Chiffert Alain 3
#9 Bertrand Pierre 3
#10 Souillard Michel 3

Latest patents

Publication Filing date Title
GB1578903A Term ticket dispensers
FR2386750A1 REVERSAL VALVE FOR COMBINED METER
FR2379053A1 Signal recording device using punched cards - has moving pointer or stylus displaced by card input in control slot
ES455362A1 Electrical integrator circuit with voltage comparator - has clock pulse generator, pulse adder, and ramp generator
FR2378225A1 Pressure responsive flow directing device - has inner chamber with frusto=conical inlet plug which operates in response to pressure
GB1569699A Variable time base control circuits for oscilloscopes
FR2368696A1 Twin track pen plotter - has offset scale on record chart to enable fast reading of points simultaneously record by offset pens
GB1548976A Dew point measuring apparatus
FR2360958A1 Cassette player cassette insertion and ejection mechanism - uses two pivoted C-shaped guides gripping edge of cassette
DE2626598A1 DEVICE FOR GENERATING A COMMAND DEPENDING ON THE CONFIGURATION OF TWO INDEPENDENT VARIABLES
FR2348476A1 Mechanical calorimeter for heating system output - has impeller rotation controlled by differential temp. sensor and discs forming part of swirling nozzle mechanism
GB1529320A Printing heads
FR2334836A2 Ignition spark generator for competition engine - uses engine shaft pickup and vacuum pickup as input to computing unit to give optimum ignition timing
FR2334167A1 Magnetic recording and playback appts. - has tape heads disposed around capstan with tape guides to maintain contact between tape and heads
HU171685B Means for keeping the temperature of bodies within a given temperature range and hygrometer equipped with such means
FR2322364A1 Pressure sensitive switch has deformable wall - driving leaf spring to operate electrical contact when subjected to pressure differential
US3999432A Flowmeter
GB1518816A Variable pneumatic resistance
ES438161A1 Circuit for compensating for the drift of a memory capacitor
FR2312019A1 Frost detector for water meters - has probe filled with water and is sealed with breakable capsule whose rupture actuates warning