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BOLL & KIRCH FILTER

Overview
  • Total Patents
    122
  • GoodIP Patent Rank
    50,707
  • Filing trend
    ⇧ 25.0%
About

BOLL & KIRCH FILTER has a total of 122 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 1964. 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 chemical engineering, engines, pumps and turbines and mechanical elements are CUMMINS FILTRATION SARL, TRABOLD HERMANN and MOATTI GEORGES SA.

Patent filings per year

Chart showing BOLL & KIRCH FILTERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rott Willi 42
#2 Lennartz Ruediger 29
#3 Cartarius Karsten 25
#4 Schmitz Stefan 24
#5 Sindorf Heinz 21
#6 Kandiah Sivagnanam 14
#7 Finsel Andreas 13
#8 Rathsmann Jens 11
#9 Vieten Wilhelm 8
#10 Lakenbrink Oliver 5

Latest patents

Publication Filing date Title
EP3781283A1 Support body for filter elements and filter element herewith
US2021101097A1 Filter element and filter arrangement having fluid filters and filter element
KR20190017023A A filtration system for filtering oil for marine machinery, especially marine engines
WO2017085643A1 Oil circuit with filters, in particular for marine engines
KR20170015291A Backflush filter and filter insert for the latter
DE102015102318A1 Filtration system for the lubrication oil filtration in particular of ship units such as marine engines
WO2014199321A1 Backflushing filter and filter insert for the same
WO2014115081A1 Backflushable liquid filter
EP2753407A1 Cylindrical filter candle and backflush filter with same
WO2013114329A1 Backflush type filter
AU2012213138A1 Reversible-flow filter with scavenging device
CN102123795A Centrifuge and centrifuge rotor for same
DE102008024583A1 Method for operating a filter device and filter device
DE102006059222A1 Production of filter candles for filtering fluids e.g. in the chemical and petrochemical industries comprises bonding a connecting collar to a filter sieve using a joining material in a melting process
EP1814643A1 Backflushing filter and filter element for it
EP1731809A2 Switching mechanism for multiple treatment devices
DE102005034789A1 Method for producing metallic gap filters, method for producing metallic canned filters and canned filters
WO2005079948A1 Water filter that can be disinfected and backflushed, in particular sea water filter
DE102004023716A1 Method for fixing filter cloths to supports comprises applying heat to support on opposite side to cloth
DE10325525A1 backwash filter