Search

David L. Andrews

Examiner (ID: 8772, Phone: (571)272-6558 , Office: P/3672 )

Most Active Art Unit
3672
Art Unit(s)
3672
Total Applications
1183
Issued Applications
811
Pending Applications
83
Abandoned Applications
305

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6270010 [patent_doc_number] => 20100116550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-13 [patent_title] => 'INTERFACE AND METHOD FOR WELLBORE TELEMETRY SYSTEM' [patent_app_type] => utility [patent_app_number] => 11/995027 [patent_app_country] => US [patent_app_date] => 2006-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6875 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0116/20100116550.pdf [firstpage_image] =>[orig_patent_app_number] => 11995027 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/995027
Interface and method for wellbore telemetry system Aug 2, 2006 Issued
Array ( [id] => 5048537 [patent_doc_number] => 20070029081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-08 [patent_title] => 'CENTRALIZER' [patent_app_type] => utility [patent_app_number] => 11/460430 [patent_app_country] => US [patent_app_date] => 2006-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1488 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0029/20070029081.pdf [firstpage_image] =>[orig_patent_app_number] => 11460430 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/460430
CENTRALIZER Jul 26, 2006 Abandoned
Array ( [id] => 5072484 [patent_doc_number] => 20070012459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Downhole actuation method and apparatus for operating remote well control device' [patent_app_type] => utility [patent_app_number] => 11/487590 [patent_app_country] => US [patent_app_date] => 2006-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2986 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0012/20070012459.pdf [firstpage_image] =>[orig_patent_app_number] => 11487590 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/487590
Downhole actuation method and apparatus for operating remote well control device Jul 13, 2006 Issued
Array ( [id] => 4799931 [patent_doc_number] => 20080011518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-17 [patent_title] => 'Excluder ring for earth-boring bit' [patent_app_type] => utility [patent_app_number] => 11/485406 [patent_app_country] => US [patent_app_date] => 2006-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2748 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0011/20080011518.pdf [firstpage_image] =>[orig_patent_app_number] => 11485406 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/485406
Excluder ring for earth-boring bit Jul 11, 2006 Issued
Array ( [id] => 5598815 [patent_doc_number] => 20060289159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-28 [patent_title] => 'System and method for collecting escaping hydrocarbons from a breached well pipe' [patent_app_type] => utility [patent_app_number] => 11/472910 [patent_app_country] => US [patent_app_date] => 2006-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2583 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0289/20060289159.pdf [firstpage_image] =>[orig_patent_app_number] => 11472910 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/472910
System and method for collecting escaping hydrocarbons from a breached well pipe Jun 21, 2006 Issued
Array ( [id] => 5227632 [patent_doc_number] => 20070289738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-20 [patent_title] => 'Rigless well intervention apparatus and method' [patent_app_type] => utility [patent_app_number] => 11/471370 [patent_app_country] => US [patent_app_date] => 2006-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 4566 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0289/20070289738.pdf [firstpage_image] =>[orig_patent_app_number] => 11471370 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/471370
Rigless well intervention apparatus and method Jun 18, 2006 Abandoned
Array ( [id] => 5048540 [patent_doc_number] => 20070029084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-08 [patent_title] => 'Retrievable plug system' [patent_app_type] => utility [patent_app_number] => 11/451089 [patent_app_country] => US [patent_app_date] => 2006-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3800 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0029/20070029084.pdf [firstpage_image] =>[orig_patent_app_number] => 11451089 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/451089
Retrievable plug system and methods of use Jun 11, 2006 Issued
Array ( [id] => 249845 [patent_doc_number] => 07581600 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-09-01 [patent_title] => 'Method of forming a trenchless flowline' [patent_app_type] => utility [patent_app_number] => 11/422369 [patent_app_country] => US [patent_app_date] => 2006-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1601 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/581/07581600.pdf [firstpage_image] =>[orig_patent_app_number] => 11422369 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/422369
Method of forming a trenchless flowline Jun 5, 2006 Issued
Array ( [id] => 4468893 [patent_doc_number] => 07866396 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-11 [patent_title] => 'Systems and methods for completing a multiple zone well' [patent_app_type] => utility [patent_app_number] => 11/308999 [patent_app_country] => US [patent_app_date] => 2006-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3610 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/866/07866396.pdf [firstpage_image] =>[orig_patent_app_number] => 11308999 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/308999
Systems and methods for completing a multiple zone well Jun 5, 2006 Issued
Array ( [id] => 4690797 [patent_doc_number] => 20080083567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-10 [patent_title] => 'ROTARY STEERABLE DRILLING APPARATUS AND METHOD' [patent_app_type] => utility [patent_app_number] => 11/421147 [patent_app_country] => US [patent_app_date] => 2006-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2088 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0083/20080083567.pdf [firstpage_image] =>[orig_patent_app_number] => 11421147 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/421147
Rotary steerable drilling apparatus and method May 30, 2006 Issued
Array ( [id] => 5696968 [patent_doc_number] => 20060213652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-28 [patent_title] => 'Device for improving oil and gas recovery in wells' [patent_app_type] => utility [patent_app_number] => 11/442896 [patent_app_country] => US [patent_app_date] => 2006-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 4695 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0213/20060213652.pdf [firstpage_image] =>[orig_patent_app_number] => 11442896 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/442896
Device for improving oil and gas recovery in wells May 29, 2006 Issued
Array ( [id] => 5043184 [patent_doc_number] => 20070261855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-15 [patent_title] => 'Wellbore cleaning tool system and method of use' [patent_app_type] => utility [patent_app_number] => 11/433779 [patent_app_country] => US [patent_app_date] => 2006-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8160 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0261/20070261855.pdf [firstpage_image] =>[orig_patent_app_number] => 11433779 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/433779
Wellbore cleaning tool system and method of use May 11, 2006 Abandoned
Array ( [id] => 5729710 [patent_doc_number] => 20060254824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-16 [patent_title] => 'FLOW OPERATED ORIENTER' [patent_app_type] => utility [patent_app_number] => 11/382853 [patent_app_country] => US [patent_app_date] => 2006-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4502 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0254/20060254824.pdf [firstpage_image] =>[orig_patent_app_number] => 11382853 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/382853
Flow operated orienter May 10, 2006 Issued
Array ( [id] => 5043219 [patent_doc_number] => 20070261890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-15 [patent_title] => 'Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements' [patent_app_type] => utility [patent_app_number] => 11/382510 [patent_app_country] => US [patent_app_date] => 2006-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11173 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0261/20070261890.pdf [firstpage_image] =>[orig_patent_app_number] => 11382510 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/382510
Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements May 9, 2006 Abandoned
Array ( [id] => 5222424 [patent_doc_number] => 20070251690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-01 [patent_title] => 'Well Completion System' [patent_app_type] => utility [patent_app_number] => 11/380755 [patent_app_country] => US [patent_app_date] => 2006-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4521 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0251/20070251690.pdf [firstpage_image] =>[orig_patent_app_number] => 11380755 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/380755
Well completion system having perforating charges integrated with a spirally wrapped screen Apr 27, 2006 Issued
Array ( [id] => 9164964 [patent_doc_number] => 08590636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-26 [patent_title] => 'Rotary steerable drilling system' [patent_app_type] => utility [patent_app_number] => 11/380756 [patent_app_country] => US [patent_app_date] => 2006-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5383 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11380756 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/380756
Rotary steerable drilling system Apr 27, 2006 Issued
Array ( [id] => 5498575 [patent_doc_number] => 20090159263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-25 [patent_title] => 'Device for remotely actuating the safety lock of individual oil pumping apparatus' [patent_app_type] => utility [patent_app_number] => 11/380687 [patent_app_country] => US [patent_app_date] => 2006-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2155 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20090159263.pdf [firstpage_image] =>[orig_patent_app_number] => 11380687 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/380687
Device for remotely actuating the safety lock of individual oil pumping apparatus Apr 27, 2006 Issued
Array ( [id] => 5207640 [patent_doc_number] => 20070246224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-25 [patent_title] => 'Offset valve system for downhole drillable equipment' [patent_app_type] => utility [patent_app_number] => 11/410225 [patent_app_country] => US [patent_app_date] => 2006-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2071 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0246/20070246224.pdf [firstpage_image] =>[orig_patent_app_number] => 11410225 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/410225
Offset valve system for downhole drillable equipment Apr 23, 2006 Abandoned
Array ( [id] => 149127 [patent_doc_number] => 07677333 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-16 [patent_title] => 'Drill bit with multiple cutter geometries' [patent_app_type] => utility [patent_app_number] => 11/406470 [patent_app_country] => US [patent_app_date] => 2006-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 7142 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/677/07677333.pdf [firstpage_image] =>[orig_patent_app_number] => 11406470 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/406470
Drill bit with multiple cutter geometries Apr 17, 2006 Issued
Array ( [id] => 5729667 [patent_doc_number] => 20060254781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-16 [patent_title] => 'Deep-well, continuous-coiled-tubing apparatus and method of use' [patent_app_type] => utility [patent_app_number] => 11/406771 [patent_app_country] => US [patent_app_date] => 2006-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5748 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0254/20060254781.pdf [firstpage_image] =>[orig_patent_app_number] => 11406771 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/406771
Deep-well, continuous-coiled-tubing apparatus and method of use Apr 17, 2006 Abandoned
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