Inventor · disambiguated record
Jan Adolf Ernst Sperna Weiland
Also filed as: SPERNA WEILAND JAN · SPERNA WEILAND JAN A E · SPERNA WEILAND JAN ADOLF ERNST
5 granted patents·66 citations·filing 1989–1998
79Inventor score
Files withSARA LEE DE NV5
Top patents by PatentIndex Score
5 records- 0159US6026993APump and pump outlet nozzleSARA LEE DE NV·Filed 1998·Granted Feb 22, 2000·28 cites·15 claims
- 0243US6253967B1Assembly comprising a flexible container having a dosing device and dosing device of such assemblySARA LEE DE NV·Filed 1998·Granted Jul 3, 2001·14 cites·17 claims
- 0341US6357630B1Assembly comprising a flexible container having a dosing device and dosing device of such assemblySARA LEE DE NV·Filed 1998·Granted Mar 19, 2002·13 cites·18 claims
- 0436US5083503AMethod and an apparatus for making a beverage such as coffee, soup,tea, cocoa or the likeSARA LEE DE NV·Filed 1989·Granted Jan 28, 1992·11 cites·20 claims
- 0527US5181753ADevice for withdrawing liquid from a reservoir by means of a water jet deviceSARA LEE DE NV·Filed 1990·Granted Jan 26, 1993·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →