DE69431475D1 - Automatische bohrvorrichtung - Google Patents

Automatische bohrvorrichtung

Info

Publication number
DE69431475D1
DE69431475D1 DE69431475T DE69431475T DE69431475D1 DE 69431475 D1 DE69431475 D1 DE 69431475D1 DE 69431475 T DE69431475 T DE 69431475T DE 69431475 T DE69431475 T DE 69431475T DE 69431475 D1 DE69431475 D1 DE 69431475D1
Authority
DE
Germany
Prior art keywords
drilling device
automatic drilling
automatic
drilling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69431475T
Other languages
English (en)
Other versions
DE69431475T2 (de
DE69431475T3 (de
Inventor
Bobbie Joe Bowden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wildcat Services LP
Original Assignee
Wildcat Services LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/050,527 external-priority patent/US5474142A/en
Application filed by Wildcat Services LP filed Critical Wildcat Services LP
Publication of DE69431475D1 publication Critical patent/DE69431475D1/de
Publication of DE69431475T2 publication Critical patent/DE69431475T2/de
Application granted granted Critical
Publication of DE69431475T3 publication Critical patent/DE69431475T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE69431475T 1993-04-19 1994-04-19 Automatische bohrvorrichtung Expired - Fee Related DE69431475T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50527 1993-04-19
US08/050,527 US5474142A (en) 1993-04-19 1993-04-19 Automatic drilling system
PCT/US1994/004376 WO1994024407A1 (en) 1993-04-19 1994-04-19 Automatic drilling system

Publications (3)

Publication Number Publication Date
DE69431475D1 true DE69431475D1 (de) 2002-11-07
DE69431475T2 DE69431475T2 (de) 2003-07-17
DE69431475T3 DE69431475T3 (de) 2006-07-20

Family

ID=21965759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69431475T Expired - Fee Related DE69431475T3 (de) 1993-04-19 1994-04-19 Automatische bohrvorrichtung

Country Status (1)

Country Link
DE (1) DE69431475T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117052323A (zh) * 2023-10-11 2023-11-14 山西省地质工程勘察院有限公司 一种用于地热勘探的钻孔推进装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117052323A (zh) * 2023-10-11 2023-11-14 山西省地质工程勘察院有限公司 一种用于地热勘探的钻孔推进装置
CN117052323B (zh) * 2023-10-11 2024-01-02 山西省地质工程勘察院有限公司 一种用于地热勘探的钻孔推进装置

Also Published As

Publication number Publication date
DE69431475T2 (de) 2003-07-17
DE69431475T3 (de) 2006-07-20

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: DERZEIT KEIN VERTRETER BESTELLT

8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee