Master dataINID | Criterion | Field | Content |
---|
| Type of IP right | SART | Patent |
| Status | ST | Not pending/lapsed |
21 | DE file number | DAKZ | 60 2011 069 851.6 |
96 | EP file number | EAKZ | 18 18 7016.3 |
97 | EP publication number | EPN | 3434862 |
54 | Designation/title | TI | VARIABLER DURCHFLUSSBEGRENZER ZUM EINSATZ IN EINEM UNTERGRUNDBOHRLOCH |
51 | IPC main class | ICM (ICMV) | E21B 43/12 (2006.01) |
51 | IPC secondary class(es) | ICS (ICSV) | E21B 34/06 (2006.01), E21B 21/10 (2006.01), E21B 47/18 (2012.01) |
22 | DE application date | DAT | Aug 16, 2011 |
96 | EP application date | EAT | Aug 16, 2011 |
43 | Date of first publication | OT | Jan 30, 2019 |
| Date of publication of grant | PET | Dec 30, 2020 |
71/73 | Applicant/owner | INH | Halliburton Energy Services Inc., Houston, TX, US |
72 | Inventor | IN | HOLDERMAN, Luke W., Carrollton, Texas 75006, US; DYKSTRA, Jason D., Carrollton, Texas 75006, US; FRIPP, Michael L., Carrollton, Texas 75006, US |
| Address for service | | Halliburton Energy Services Inc., Houston, TX 77032, US |
33 31 32
| Foreign priority | PRC PRNA PRDA
| US 86983610 Aug 27, 2010
|
| Patent division in charge | | 24 |
97 | EP language of publication | ELANG | EN - Englisch |
84 | Designated EP contracting states | EDS | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR |
| Published EP/WO documents | EPWOPN | Original document:
EP000003434862A1 Searchable text:
EP000003434862A1 Original document:
EP000003434862B1 Searchable text:
EP000003434862B1 |
43 | Date of first publication | EVT | Jan 30, 2019 |
| Date of the first transfer into DPMAregister | EREGT | Jan 30, 2019 |
| Date of the (most recent) update in DPMAregister | REGT | Sep 26, 2024 (Show all update days)(Hide all update days)- Sep 26, 2024
- St.36: changed (technical change)
- May 16, 2024; May 4, 2022; Apr 16, 2022; Dec 19, 2021; Nov 18, 2021; Jan 22, 2021; Dec 12, 2020; Dec 10, 2020; Aug 15, 2019; Mar 15, 2019
- Historical data not available for this/these date(s)
- Jan 30, 2019
- Date of the first transfer into DPMAregister
|