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] => 4997107 [patent_doc_number] => 20070039741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-22 [patent_title] => 'Sand control screen assembly enhanced with disappearing sleeve and burst disc' [patent_app_type] => utility [patent_app_number] => 11/209250 [patent_app_country] => US [patent_app_date] => 2005-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7334 [patent_no_of_claims] => 30 [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/A1/0039/20070039741.pdf [firstpage_image] =>[orig_patent_app_number] => 11209250 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/209250
Sand control screen assembly enhanced with disappearing sleeve and burst disc Aug 21, 2005 Issued
Array ( [id] => 227780 [patent_doc_number] => 07600590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-10-13 [patent_title] => 'Low projection inserts for rock bits' [patent_app_type] => utility [patent_app_number] => 11/204063 [patent_app_country] => US [patent_app_date] => 2005-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2657 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/600/07600590.pdf [firstpage_image] =>[orig_patent_app_number] => 11204063 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/204063
Low projection inserts for rock bits Aug 14, 2005 Issued
Array ( [id] => 6244456 [patent_doc_number] => 20100024348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-04 [patent_title] => 'METHOD OF EXPANSION' [patent_app_type] => utility [patent_app_number] => 11/573485 [patent_app_country] => US [patent_app_date] => 2005-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 15444 [patent_no_of_claims] => 36 [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/A1/0024/20100024348.pdf [firstpage_image] =>[orig_patent_app_number] => 11573485 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/573485
METHOD OF EXPANSION Aug 10, 2005 Abandoned
Array ( [id] => 5588331 [patent_doc_number] => 20060037782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-23 [patent_title] => 'Diverter heads' [patent_app_type] => utility [patent_app_number] => 11/194386 [patent_app_country] => US [patent_app_date] => 2005-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5046 [patent_no_of_claims] => 19 [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/A1/0037/20060037782.pdf [firstpage_image] =>[orig_patent_app_number] => 11194386 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/194386
Diverter heads Jul 31, 2005 Abandoned
Array ( [id] => 884898 [patent_doc_number] => 07347256 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-03-25 [patent_title] => 'Portable well fluid extraction apparatus' [patent_app_type] => utility [patent_app_number] => 11/194426 [patent_app_country] => US [patent_app_date] => 2005-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5135 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/347/07347256.pdf [firstpage_image] =>[orig_patent_app_number] => 11194426 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/194426
Portable well fluid extraction apparatus Jul 31, 2005 Issued
Array ( [id] => 5201706 [patent_doc_number] => 20070023185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-01 [patent_title] => 'Downhole Tool with Integrated Circuit' [patent_app_type] => utility [patent_app_number] => 11/161270 [patent_app_country] => US [patent_app_date] => 2005-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5522 [patent_no_of_claims] => 30 [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/A1/0023/20070023185.pdf [firstpage_image] =>[orig_patent_app_number] => 11161270 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/161270
Downhole Tool with Integrated Circuit Jul 27, 2005 Abandoned
Array ( [id] => 9619464 [patent_doc_number] => 08789627 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-07-29 [patent_title] => 'Polycrystalline diamond cutter with improved abrasion and impact resistance and method of making the same' [patent_app_type] => utility [patent_app_number] => 11/183366 [patent_app_country] => US [patent_app_date] => 2005-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 6263 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11183366 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/183366
Polycrystalline diamond cutter with improved abrasion and impact resistance and method of making the same Jul 16, 2005 Issued
Array ( [id] => 5789797 [patent_doc_number] => 20060011349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-19 [patent_title] => 'Method of increasing gas well production' [patent_app_type] => utility [patent_app_number] => 11/181398 [patent_app_country] => US [patent_app_date] => 2005-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2826 [patent_no_of_claims] => 11 [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/A1/0011/20060011349.pdf [firstpage_image] =>[orig_patent_app_number] => 11181398 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/181398
Method of increasing gas well production Jul 13, 2005 Issued
Array ( [id] => 5072468 [patent_doc_number] => 20070012443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Compliant cone for solid liner expansion' [patent_app_type] => utility [patent_app_number] => 11/181253 [patent_app_country] => US [patent_app_date] => 2005-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3567 [patent_no_of_claims] => 21 [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/A1/0012/20070012443.pdf [firstpage_image] =>[orig_patent_app_number] => 11181253 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/181253
Compliant cone for solid liner expansion Jul 13, 2005 Issued
Array ( [id] => 4991656 [patent_doc_number] => 20070007000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-11 [patent_title] => 'Method of drilling an enlarged sidetracked well bore' [patent_app_type] => utility [patent_app_number] => 11/175565 [patent_app_country] => US [patent_app_date] => 2005-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6539 [patent_no_of_claims] => 45 [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/A1/0007/20070007000.pdf [firstpage_image] =>[orig_patent_app_number] => 11175565 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/175565
Expandable window milling bit and methods of milling a window in casing Jul 5, 2005 Issued
Array ( [id] => 5138448 [patent_doc_number] => 20070000664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-04 [patent_title] => 'Axial compression enhanced tubular expansion' [patent_app_type] => utility [patent_app_number] => 11/171061 [patent_app_country] => US [patent_app_date] => 2005-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4255 [patent_no_of_claims] => 22 [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/A1/0000/20070000664.pdf [firstpage_image] =>[orig_patent_app_number] => 11171061 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/171061
Axial compression enhanced tubular expansion Jun 29, 2005 Abandoned
Array ( [id] => 5634419 [patent_doc_number] => 20060065392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-30 [patent_title] => 'System and method for crude oil production stemming from natural emanations and leaks from capped oil wells' [patent_app_type] => utility [patent_app_number] => 11/167726 [patent_app_country] => US [patent_app_date] => 2005-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5438 [patent_no_of_claims] => 7 [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/A1/0065/20060065392.pdf [firstpage_image] =>[orig_patent_app_number] => 11167726 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/167726
System and method for crude oil production stemming from natural emanations and leaks from capped oil wells Jun 26, 2005 Abandoned
Array ( [id] => 6928464 [patent_doc_number] => 20050279496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-22 [patent_title] => 'Apparatus and Method to Detect Actuation of a Flow Control Device' [patent_app_type] => utility [patent_app_number] => 11/160211 [patent_app_country] => US [patent_app_date] => 2005-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2792 [patent_no_of_claims] => 27 [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/A1/0279/20050279496.pdf [firstpage_image] =>[orig_patent_app_number] => 11160211 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/160211
Apparatus and method to detect actuation of a flow control device Jun 13, 2005 Issued
Array ( [id] => 7053380 [patent_doc_number] => 20050274551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-15 [patent_title] => 'Drill' [patent_app_type] => utility [patent_app_number] => 11/149387 [patent_app_country] => US [patent_app_date] => 2005-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1466 [patent_no_of_claims] => 5 [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/A1/0274/20050274551.pdf [firstpage_image] =>[orig_patent_app_number] => 11149387 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/149387
Drill bit having radially extending cutting bits on radial legs Jun 8, 2005 Issued
Array ( [id] => 5639939 [patent_doc_number] => 20060278394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-14 [patent_title] => 'System and method for perforating and fracturing in a well' [patent_app_type] => utility [patent_app_number] => 11/148735 [patent_app_country] => US [patent_app_date] => 2005-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3134 [patent_no_of_claims] => 28 [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/A1/0278/20060278394.pdf [firstpage_image] =>[orig_patent_app_number] => 11148735 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/148735
System and method for perforating and fracturing in a well Jun 8, 2005 Abandoned
Array ( [id] => 601341 [patent_doc_number] => 07431096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-07 [patent_title] => 'Embedded flex-lock slip liner hanger' [patent_app_type] => utility [patent_app_number] => 11/148390 [patent_app_country] => US [patent_app_date] => 2005-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2113 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/431/07431096.pdf [firstpage_image] =>[orig_patent_app_number] => 11148390 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/148390
Embedded flex-lock slip liner hanger Jun 7, 2005 Issued
Array ( [id] => 562566 [patent_doc_number] => 07455108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-25 [patent_title] => 'Radio frequency tags for turbulent flows' [patent_app_type] => utility [patent_app_number] => 11/143351 [patent_app_country] => US [patent_app_date] => 2005-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4138 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/455/07455108.pdf [firstpage_image] =>[orig_patent_app_number] => 11143351 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/143351
Radio frequency tags for turbulent flows Jun 1, 2005 Issued
Array ( [id] => 7053377 [patent_doc_number] => 20050274548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-15 [patent_title] => 'System for directional boring including a drilling head with overrunning clutch and method of boring' [patent_app_type] => utility [patent_app_number] => 11/134239 [patent_app_country] => US [patent_app_date] => 2005-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10992 [patent_no_of_claims] => 22 [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/A1/0274/20050274548.pdf [firstpage_image] =>[orig_patent_app_number] => 11134239 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/134239
System for directional boring including a drilling head with overrunning clutch and method of boring May 18, 2005 Issued
Array ( [id] => 854843 [patent_doc_number] => 07373975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-20 [patent_title] => 'Downhole recorder system' [patent_app_type] => utility [patent_app_number] => 11/131527 [patent_app_country] => US [patent_app_date] => 2005-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4385 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/373/07373975.pdf [firstpage_image] =>[orig_patent_app_number] => 11131527 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/131527
Downhole recorder system May 17, 2005 Issued
Array ( [id] => 9701955 [patent_doc_number] => 08827006 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-09 [patent_title] => 'Apparatus and method for measuring while drilling' [patent_app_type] => utility [patent_app_number] => 11/127606 [patent_app_country] => US [patent_app_date] => 2005-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 8108 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11127606 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/127606
Apparatus and method for measuring while drilling May 11, 2005 Issued
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