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HAGEN AG ACCU FAB WILHELM

Overview
  • Total Patents
    38
About

HAGEN AG ACCU FAB WILHELM has a total of 38 patent applications. Its first patent ever was published in 1967. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are BRITANNIA BATTERIES LTD, DETA AKKUMULATOREN and DLG POWER BATTERY ZHANGJIAGANG CO LTD.

Patent filings in countries

World map showing HAGEN AG ACCU FAB WILHELMs patent filings in countries
# Country Total Patents
#1 Germany 28
#2 France 3
#3 United Kingdom 3
#4 Italy 1
#5 Netherlands 1
#6 Sweden 1
#7 United States 1

Patent filings per year

Chart showing HAGEN AG ACCU FAB WILHELMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Steig Hans 8
#2 Nann Eberhard Dr Phil 6
#3 Osyguss Martin 5
#4 Kiessling Reiner Dipl Chem Dr 4
#5 Nann Eberhard 3
#6 Kiessling Reiner Dr 3
#7 Schumacher Hans Joachim 2
#8 Lehmann Werner 2
#9 Schumacher Hans-Joachim 2
#10 Walter Karl 1

Latest patents

Publication Filing date Title
DE3312550A1 Negative electrode for lead acid batteries and process for their production
DE3303142A1 Lead storage battery cell
DE3247787A1 METHOD FOR PRODUCING POSITIVE TUBE PLATES FOR ACCUMULATORS
DE3237828A1 Lead-acid accumulator cell
DE3214225A1 Terminal bushing for accumulators
DE3141315A1 METHOD AND DEVICE FOR CHECKING THE QUALITY OF THE CELL CONNECTIONS OF A MULTI-CELL BATTERY
DE3018981A1 METHOD FOR CONTINUOUSLY MEASURING AND INDICATING THE CHARGE STATE OF A BATTERY
DE2904842A1 Lead accumulator cell with gas-tight stoppers - which contain catalyst for recombination of hydrogen and oxygen, and/or valve limiting gas pressure in cell
DE2904843A1 Battery casing with grooved plates engaging cell plates - has support projections engaging in vertical slots in walls along ends and cell plates on both sides
DE2856948A1 Accumulator battery state continuous measurement and indication - using subtraction of positive sum voltage from negative reference and inverting operational amplifier, with difference fed to indicator
DE2828455A1 Accumulator electrode plate handling system - supports pair of plates from underneath after picking up to relieve lugs of load
DE2810826A1 Storage battery with plates which are protected against vibrations - uses cell connector to immobilise plates in cell container
DE2621381A1 LEAD ACCUMULATOR, HIGH DESIGN
DE2621398A1 Lead-antimony-selenium alloy for lead battery grid plates - may contain sulphur in addn.
DE2540937A1 Lead scrap melted to form anodes - used for the electrodeposition of pure lead onto substrates to mfr. accumulator grids
DE2500228A1 Lead alloys contg. tellurium and silver - for accumulator grids, where selenium and sulphur are added to improve castability
DE2459812A1 Lead accumulators for storage in dry charged state - are made by filling cells with inert gas on removing forming acid before sealing
DE2455744A1 Accumulator gases recombination plug - with gas permeable catalyst container around tube to atmosphere offering minimum flow resistance
US3933522A Accumulator cell
DE2419908A1 Accumulator cell connection by welding and riveting - uses lead rivets in holes in adjacent plate heads