Assignee
PFEIFFER AG GEB
DE·5 granted patents·1 pending application·41 citations·filing 1975–2009
Top patents by PatentIndex Score
6 records- 0183US7926754B2Safety systems for roller millsPFEIFFER AG GEB·Filed 2009·Granted Apr 19, 2011·12 cites·18 claims
- 0243US4456267ASeal arrangement for pull rods in rolling millsPFEIFFER AG GEB·Filed 1982·Granted Jun 26, 1984·10 cites·4 claims
- 0339US4491280ARoller mill constructionPFEIFFER AG GEB·Filed 1983·Granted Jan 1, 1985·7 cites·6 claims
- 0431US2007278333A1Method and device for producing cementPFEIFFER AG GEB·Filed 2006·Application pending·0 cites
- 0529US4071441ABypass separatorPFEIFFER AG GEB·Filed 1975·Granted Jan 31, 1978·8 cites·6 claims
- 0628US4465240ABowl mill pulverizerPFEIFFER AG GEB·Filed 1982·Granted Aug 14, 1984·4 cites·4 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →