Inventor
Ralf Schnell
Inventor
Seligenstadt, DE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Mprimary
A61MDevices for introducing media into, or onto, the body42%
A61BDiagnosis11%
C07HSugars11%
A61FFilters implantable into blood vessels5%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
G01TMeasurement of nuclear or x-radiation5%
H03FAmplifiers5%
H03HImpedance networks, e.g. resonant circuits5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,869,980Insertion aid202010,238,824Pressure equalization balloon and method for the production thereof201910,034,992Speaking valve20189,901,693'Pressure equalizing device'20189,211,385'Tracheostomy cannula with window'20158,733,359'Collar of a respiratory device'20148,474,459'Device for introducing a tracheal cannula into a tracheostoma'20138,251,068'Insertion aid for percutaneous tracheostomy'20127,316,843'Melt-spun synthetic fiber and process for producing the fiber'20085,866,700'Solid-phase synthesis of oligoribonucleotides'19995,652,358'Solid-phase synthesis of oligoribonucleotides'19975,512,756'X-ray detector with direct conversion'19964,928,069'Amplifying surface wave receiver'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1996Patents assigned to SIEMENS AG (2)· patent assignee history
1990–1996Based in Munich, DE· patent location history
1997–1999Patents assigned to HOECHST AG (2)· patent assignee history
1997–1999Based in Krefeld, DE· patent location history
2008Patents assigned to POLYAMIDE HIGH PERFORMANCE GMB (1)· patent assignee history
2008–2020Based in Seligenstadt, DE· patent location history
2012–2020Patents assigned to TRACOE MEDICAL GMBH (8)· patent assignee history
2012–2015Patents assigned to SCHNELL RALF (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TRACOE MEDICAL GMBH | 8 | 2012–2020 |
| SCHNELL RALFself | 4 | 2012–2015 |
| HOECHST AG | 2 | 1997–1999 |
| SIEMENS AG | 2 | 1990–1996 |
| POLYAMIDE HIGH PERFORMANCE GMB | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seligenstadt, DE | 9 | 2008–2020 |
| Krefeld, DE | 2 | 1997–1999 |
| Munich, DE | 2 | 1990–1996 |