Average Co-Inventor Count = 1.76
ph-index = 4
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.
Company Filing History:
1. Pfleiderer Infrastrukturtechnik Gmbh & Co. Kg (3 from 7 patents)
2. Pfleiderer Verkehrstechnik Gmbh & Co. Kg (1 from 3 patents)
3. Voestalpine Railway Systems Gmbh (1 from 2 patents)
4. Voestalpine Turnout Technology Zeltweg Gmbh (1 from 2 patents)
5. Pfleiderer Infrastrukturtechnick Gmbh & Co., Kg (1 from 1 patent)
6. Pfleiderer Infrastrukturkturtechnik Gmbh (1 from 1 patent)
7. Pfleiderer Infrastrukturtechnik Gmbh & Co. (1 from 1 patent)
8 patents:
1. 12011849 - Method of producing a plurality of concrete cast elements
2. 6764022 - Double sleeper for Getrac A3 fixed track
3. 6659363 - Two-block concrete railroad tie for a fixed rail carriageway
4. 6554199 - Trackway for transrapid
5. 6488215 - Two-block concrete railroad tie for a fixed rail carriageway
6. 6383420 - Method for the variable manufacture of concrete railroad ties
7. 6237856 - Method for installing a steady rail track
8. 5653388 - Method and apparatus for constructing a permanent railroad track