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Inventor
STEWEN CHRISTIAN
DE
7 patents
⚠️ This page may combine multiple inventors who share the name “STEWEN CHRISTIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV STUTTGART STRAHLWERKZEUGE
3 patents
US6891874B2
May 10, 2005
Laser amplifier system
UNIV STUTTGART STRAHLWERKZEUGE
22 citations
90
US6577666B2
Jun 10, 2003
Laser amplification system
UNIV STUTTGART STRAHLWERKZEUGE
46 citations
89
US6438152B2
Aug 20, 2002
Laser amplification system
UNIV STUTTGART STRAHLWERKZEUGE
29 citations
89
KAERCHER GMBH & CO KG ALFRED
2 patents
US7867304B2
Jan 11, 2011
Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out said method
KAERCHER GMBH & CO KG ALFRED
10 citations
81
US10258207B2
Apr 16, 2019
Portable hard surface cleaning appliance
KAERCHER GMBH & CO KG ALFRED
10 citations
73
STEWEN CHRISTIAN
1 patent
US8186005B2
May 29, 2012
Vacuum cleaning device
STEWEN CHRISTIAN
5 citations
54
KAERCHER ALFRED SE & CO KG
1 patent
US12256875B2
Mar 25, 2025
Portable hard surface cleaning appliance
KAERCHER ALFRED SE & CO KG
1 citations
49