Assignee
KREYENBORG VERWALTUNGEN
DE·11 granted patents·1 pending application·163 citations·filing 1986–2008
Top patents by PatentIndex Score
12 records- 0177US8017002B2Device for filtering a fluid, particularly for plastic processing plantsKREYENBORG VERWALTUNGEN·Filed 2007·Granted Sep 13, 2011·7 cites·7 claims
- 0274US8017010B2Device for filtering a liquefied synthetic materialKREYENBORG VERWALTUNGEN·Filed 2007·Granted Sep 13, 2011·5 cites·6 claims
- 0374US4701118AApparatus for filtering plasticized materials in extrudersKREYENBORG VERWALTUNGEN·Filed 1986·Granted Oct 20, 1987·41 cites·11 claims
- 0458US7419592B2Device for filtering a fluid especially for plastic-processing installationsKREYENBORG VERWALTUNGEN·Filed 2003·Granted Sep 2, 2008·8 cites·12 claims
- 0555US5004414AApparatus for filtering plasticized materials in extruders and like machinesKREYENBORG VERWALTUNGEN·Filed 1989·Granted Apr 2, 1991·20 cites·6 claims
- 0654US5125823AApparatus for filtering plasticized materialsKREYENBORG VERWALTUNGEN·Filed 1991·Granted Jun 30, 1992·21 cites·10 claims
- 0752US5122286AFilter changing apparatus for flowable plastic materialKREYENBORG VERWALTUNGEN·Filed 1990·Granted Jun 16, 1992·20 cites·15 claims
- 0845US6422852B1Filter device for extruders and injection moulding machinesKREYENBORG VERWALTUNGEN·Filed 1999·Granted Jul 23, 2002·13 cites·22 claims
- 0944US2009032456A1Device for filtering a fluid especially a liquefied plasticKREYENBORG VERWALTUNGEN·Filed 2008·Application pending·0 cites
- 1043US5922194AFilter changing device for plastics processing plantsKREYENBORG VERWALTUNGEN·Filed 1996·Granted Jul 13, 1999·14 cites·7 claims
- 1143US5578207AFilter device for extruders having a screen plunger with longitudinally arranged candle filtersKREYENBORG VERWALTUNGEN·Filed 1995·Granted Nov 26, 1996·12 cites·6 claims
- 1236US7018186B2Feed pumpKREYENBORG VERWALTUNGEN·Filed 2002·Granted Mar 28, 2006·2 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when KREYENBORG VERWALTUNGEN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →