Patent No. EP2894041 (titled "Numbering Device For Typographic Numbering Having Electric Motors For Driving Numbering Wheels") was filed by KBA Notasys on Jun 20, 2007. The application was issued on Sep 4, 2024.
A numbering device for sheet-fed or web-fed numbering presses that enables high-resolution numbering with a compact design. The device features a casing with an inner space containing electro-mechanical actuation means that drive multiple numbering wheels independently. Each wheel is mounted on a common shaft and is actuated by a brush-less DC motor through a reduction gear and two-stage gearing system. The motor's electronic commutation and carefully selected gear dimensions enable a positional resolution of 0.1-0.15 mm or less, allowing for precise numbering of securities.

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| Company | Opposition Date | Representative |
|---|---|---|
| PAUL LEIBINGER NUMMERIER UND MARKIERUNGSSYSTEME | Dec 5, 2019 | WESTPHAL |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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