Growing community of inventors

Obernfeld, Germany

Roman Ritzka

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 2

Roman RitzkaSebastian Purmann (2 patents)Roman RitzkaStefan Obermann (10 patents)Roman RitzkaMatthias Grabosch (1 patent)Roman RitzkaFabian Walter (1 patent)Roman RitzkaDennis Benjamin Groesche (1 patent)Roman RitzkaMartin Lohrberg (1 patent)Roman RitzkaRichard Brisland (1 patent)Roman RitzkaHendrik Rosenberg (0 patent)Roman RitzkaDennis Grösche (0 patent)Roman RitzkaDennis GRÖSCHE (0 patent)Roman RitzkaChristian Lock (0 patent)Roman RitzkaRoman Ritzka (2 patents)Sebastian PurmannSebastian Purmann (10 patents)Stefan ObermannStefan Obermann (10 patents)Matthias GraboschMatthias Grabosch (5 patents)Fabian WalterFabian Walter (4 patents)Dennis Benjamin GroescheDennis Benjamin Groesche (3 patents)Martin LohrbergMartin Lohrberg (1 patent)Richard BrislandRichard Brisland (1 patent)Hendrik RosenbergHendrik Rosenberg (0 patent)Dennis GröscheDennis Grösche (0 patent)Dennis GRÖSCHEDennis GRÖSCHE (0 patent)Christian LockChristian Lock (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sartorius Lab Instruments Gmbh & Co., Kg (2 from 49 patents)

2. Sartorius Stedim Biotech Gmbh (302 patents)


2 patents:

1. 10723636 - Purification device and purification method for water utilizing filter cartridges

2. 10350525 - Connecting structure for connecting a filter housing to a filter housing retaining structure, cleaning system, filter housing cover for a filter housing and method for connecting a filter housing cover to a filter housing retaining structure

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1/21/2026
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