blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP Citations: EP2337975

Cited inInternational search
Type:Patent literature
Publication No.:US3985046  [X]
 (MORRIS HUGH C, et al) [X] 1-6 * column 4, lines 27-40 *;
Type:Patent literature
Publication No.:DE4407951  [AD]
 (SIEMENS AG [DE]) [AD] 1-6* the whole document *;
Type:Patent literature
Publication No.:WO2006017902  [X]
 (NAUTITECH PTY LTD [AU], et al) [X] 1-6 * page 17, lines 13-15 * * page 21, line 15 - page 22, line 15 *