Inventor · disambiguated record
Astrid Walch
Also filed as: WALCH ASTRID
2 granted patents·4 pending applications·2 citations·filing 2001–2010
42Inventor score
Top patents by PatentIndex Score
6 records- 0154US8082986B2Filtering device, especially for use as a well screen filterHEIDENREICH STEFFEN·Filed 2007·Granted Dec 27, 2011·1 cites·20 claims
- 0252US8388898B2Ceramic filter elementHEIDENREICH STEFFEN·Filed 2010·Granted Mar 5, 2013·1 cites·14 claims
- 0340US2007031304A1Filter candlePALL CORP·Filed 2006·Application pending·0 cites
- 0439US2005263918A1Process for the manufacturing of filter elements as well as filter elements obtained in a such processPALL CORP·Filed 2005·Application pending·0 cites
- 0534US2005061735A1Filter element and filter apparatus for cross-flow filtration processesFiled 2002·Application pending·0 cites
- 0627US2004067175A1Ceramic filter element and method for production thereofFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →