Master dataINID | Criterion | Field | Content |
---|
| Type of IP right | SART | Patent |
| Status | ST | Not pending/lapsed |
21 | DE file number | DAKZ | 699 20 078.4 |
96 | EP file number | EAKZ | 99 40 0260.8 |
97 | EP publication number | EPN | 939195 |
54 | Designation/title | TI | Vorrichtung und Verfahren zur Bestimmung der Bohrmethode, um Formationsbewertungsmessungen zu optimieren |
51 | IPC main class | ICM (ICMV) | E21B 47/12 (2006.01) |
51 | IPC secondary class(es) | ICS (ICSV) | E21B 47/00 (2006.01), E21B 44/00 (2006.01) |
22 | DE application date | DAT | Feb 4, 1999 |
96 | EP application date | EAT | Feb 4, 1999 |
43 | Date of first publication | OT | Sep 1, 1999 |
| Date of publication of grant | PET | Sep 15, 2004 |
71/73 | Applicant/owner | INH | Schlumberger Technology B.V., Den Haag/'s-Gravenhage, NL |
72 | Inventor | IN | Crary, Steven F., Sugar Land, Texas 77479, US; Heidler, Ralf, No. 1909, Texas 77477, US; Poitzsch, Martin E., Sugar Land, Texas 77479, US; Esmersoy, Cengiz, Sugar Land, Texas 77479, US |
74 | Representative | VTR | Sparing · Röhl · Henseler, 40237 Düsseldorf, DE |
10 | Published DE documents | DEPN | Original document:
DE000069920078T2 Searchable text:
DE000069920078T2 |
| Address for service | | Patentanwälte Sparing, Röhl, Henseler, 40074 Düsseldorf, DE |
33 31 32
| Foreign priority | PRC PRNA PRDA
| US 31926 Feb 27, 1998
|
| Patent division in charge | | 24 |
97 | EP language of publication | ELANG | EN - Englisch |
84 | Designated EP contracting states | EDS | DE, DK, FR, GB, IE, IT |
| Published EP/WO documents | EPWOPN | Original document:
EP000000939195 Searchable text:
EP000000939195 Original document:
EP000000939195B1 Searchable text:
EP000000939195B1 |
43 | Date of first publication | EVT | Sep 1, 1999 |
| Date of the first transfer into DPMAregister | EREGT | Sep 29, 2012 |
| Date of the (most recent) update in DPMAregister | REGT | Jan 5, 2022 (Show all update days)(Hide all update days)- Jan 5, 2022; Nov 8, 2016; Oct 18, 2016; Feb 14, 2015; Mar 11, 2014; Feb 12, 2014; Mar 12, 2013; Feb 15, 2013; Jan 21, 2013
- Historical data not available for this/these date(s)
- Sep 29, 2012
- Date of the first transfer into DPMAregister
|