Inventor
Norbert Stelzer
Inventor
Cincinnati, OH, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Fprimary
A61FFilters implantable into blood vessels20%
B02CCrushing, pulverising, or disintegrating in general20%
D01BMechanical treatment of natural fibrous or filamentary material to obtain fibres of filaments, e.g. for spinning20%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper10%
D01GPreliminary treatment of fibres, e.g. for spinning10%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials10%
D21HPulp compositions10%
PatentTitleYear
9,540,745'Method and device for grinding strand-like fibrous material'20178,771,471'Process for making absorbent component'20148,733,678'Method and device for grinding strand-like fibrous material'20148,628,456'Process for making absorbent component'20148,491,560'Diaper closure elements'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2017Patents assigned to PROCTER & GAMBLE (5)· patent assignee history
2013Patents assigned to SCHUERFELD JULIA KATHARINA (1)· patent assignee history
2013Patents assigned to STELZER NORBERT MATTHIAS (1)· patent assignee history
2013Based in Bornheim-Hersel, DE· patent location history
2014Based in Cincinnati, OH, US· patent location history
2014Based in Idstein, DE· patent location history
2017Based in Schwallbach, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PROCTER & GAMBLE | 5 | 2013–2017 |
| SCHUERFELD JULIA KATHARINA | 1 | 2013 |
| STELZER NORBERT MATTHIASself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cincinnati, OH, US | 2 | 2014 |
| Schwallbach, DE | 1 | 2017 |
| Idstein, DE | 1 | 2014 |
| Bornheim-Hersel, DE | 1 | 2013 |