Search

David L. Andrews

Examiner (ID: 672, Phone: (571)272-6558 , Office: P/3672 )

Most Active Art Unit
3672
Art Unit(s)
3672
Total Applications
1177
Issued Applications
805
Pending Applications
87
Abandoned Applications
303

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9653506 [patent_doc_number] => 20140224511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'Pump Drain Arrangements For Packer Systems And Methods For Sampling Underground Formations Using Same' [patent_app_type] => utility [patent_app_number] => 14/127807 [patent_app_country] => US [patent_app_date] => 2012-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6274 [patent_no_of_claims] => 18 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14127807 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/127807
Pump Drain Arrangements For Packer Systems And Methods For Sampling Underground Formations Using Same Jun 24, 2012 Abandoned
Array ( [id] => 11548960 [patent_doc_number] => 09617794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-11 [patent_title] => 'Feature to eliminate shale packing/shale evacuation channel' [patent_app_type] => utility [patent_app_number] => 13/531007 [patent_app_country] => US [patent_app_date] => 2012-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 24 [patent_no_of_words] => 6784 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13531007 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/531007
Feature to eliminate shale packing/shale evacuation channel Jun 21, 2012 Issued
Array ( [id] => 13080289 [patent_doc_number] => 10060204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-28 [patent_title] => Flushing tool and method of flushing perforated tubing [patent_app_type] => utility [patent_app_number] => 14/127625 [patent_app_country] => US [patent_app_date] => 2012-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6915 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14127625 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/127625
Flushing tool and method of flushing perforated tubing Jun 20, 2012 Issued
Array ( [id] => 8680091 [patent_doc_number] => 20130048375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'PERFORATING GUN WITH INTERNAL SHOCK MITIGATION' [patent_app_type] => utility [patent_app_number] => 13/493327 [patent_app_country] => US [patent_app_date] => 2012-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3328 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13493327 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/493327
Perforating gun with internal shock mitigation Jun 10, 2012 Issued
Array ( [id] => 8390188 [patent_doc_number] => 20120228032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'EXPANDABLE WINDOW MILLING BIT AND METHODS OF MILLING A WINDOW IN CASING' [patent_app_type] => utility [patent_app_number] => 13/481470 [patent_app_country] => US [patent_app_date] => 2012-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6582 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13481470 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/481470
Expandable window milling bit and methods of milling a window in casing May 24, 2012 Issued
Array ( [id] => 9898200 [patent_doc_number] => 20150053399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-26 [patent_title] => 'SYSTEMS AND METHODS FOR CLEANING A WELL FACE DURING FORMATION TESTING OPERATIONS' [patent_app_type] => utility [patent_app_number] => 14/389487 [patent_app_country] => US [patent_app_date] => 2012-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3551 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14389487 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/389487
Systems and methods for cleaning a well face during formation testing operations May 7, 2012 Issued
Array ( [id] => 9144726 [patent_doc_number] => 20130299249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'SUPER-ABRASIVE MATERIAL WITH ENHANCED ATTACHMENT REGION AND METHODS FOR FORMATION AND USE THEREOF' [patent_app_type] => utility [patent_app_number] => 13/466807 [patent_app_country] => US [patent_app_date] => 2012-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4954 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13466807 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/466807
SUPER-ABRASIVE MATERIAL WITH ENHANCED ATTACHMENT REGION AND METHODS FOR FORMATION AND USE THEREOF May 7, 2012 Abandoned
Array ( [id] => 8396854 [patent_doc_number] => 08267183 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-09-18 [patent_title] => 'Gripper for coiled tubing injectors' [patent_app_type] => utility [patent_app_number] => 13/465087 [patent_app_country] => US [patent_app_date] => 2012-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 3100 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13465087 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/465087
Gripper for coiled tubing injectors May 6, 2012 Issued
Array ( [id] => 9557049 [patent_doc_number] => 20140174761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'Downhole Shifting Tool' [patent_app_type] => utility [patent_app_number] => 14/115627 [patent_app_country] => US [patent_app_date] => 2012-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4621 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14115627 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/115627
Downhole shifting tool May 6, 2012 Issued
Array ( [id] => 9117512 [patent_doc_number] => 20130284434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'System and Method of Coiled Tubing Depth Determination' [patent_app_type] => utility [patent_app_number] => 13/460387 [patent_app_country] => US [patent_app_date] => 2012-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10085 [patent_no_of_claims] => 22 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13460387 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/460387
System and method of coiled tubing depth determination Apr 29, 2012 Issued
Array ( [id] => 14032187 [patent_doc_number] => 10227837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-12 [patent_title] => Drilling waste treatment [patent_app_type] => utility [patent_app_number] => 14/114483 [patent_app_country] => US [patent_app_date] => 2012-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 6758 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14114483 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/114483
Drilling waste treatment Apr 26, 2012 Issued
Array ( [id] => 8390119 [patent_doc_number] => 20120227962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'NON-INTRUSIVE FLOW INDICATOR' [patent_app_type] => utility [patent_app_number] => 13/453366 [patent_app_country] => US [patent_app_date] => 2012-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5083 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13453366 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/453366
NON-INTRUSIVE FLOW INDICATOR Apr 22, 2012 Abandoned
Array ( [id] => 8492644 [patent_doc_number] => 20120292051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-22 [patent_title] => 'SEAL AROUND BRAIDED CABLE' [patent_app_type] => utility [patent_app_number] => 13/447001 [patent_app_country] => US [patent_app_date] => 2012-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7079 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13447001 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/447001
Seal around braided cable Apr 12, 2012 Issued
Array ( [id] => 11641453 [patent_doc_number] => 09662803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-30 [patent_title] => 'Drill bit' [patent_app_type] => utility [patent_app_number] => 14/111132 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3374 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14111132 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/111132
Drill bit Apr 9, 2012 Issued
Array ( [id] => 9078538 [patent_doc_number] => 20130264068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-10 [patent_title] => 'REVERSE CEMENTING VALVE' [patent_app_type] => utility [patent_app_number] => 13/439207 [patent_app_country] => US [patent_app_date] => 2012-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4777 [patent_no_of_claims] => 27 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13439207 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/439207
Reverse cementing valve Apr 3, 2012 Issued
Array ( [id] => 9050479 [patent_doc_number] => 20130248193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-26 [patent_title] => 'System and Method for Delaying Actuation using a Destructible Impedance Device' [patent_app_type] => utility [patent_app_number] => 13/425407 [patent_app_country] => US [patent_app_date] => 2012-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2748 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13425407 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/425407
System and Method for Delaying Actuation using a Destructible Impedance Device Mar 19, 2012 Abandoned
Array ( [id] => 8248242 [patent_doc_number] => 20120152550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-21 [patent_title] => 'Method for Inducing Fracture Complexity in Hydraulically Fractured Horizontal Well Completions' [patent_app_type] => utility [patent_app_number] => 13/403423 [patent_app_country] => US [patent_app_date] => 2012-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 16938 [patent_no_of_claims] => 22 [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/A1/0152/20120152550.pdf [firstpage_image] =>[orig_patent_app_number] => 13403423 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/403423
Method for Inducing Fracture Complexity in Hydraulically Fractured Horizontal Well Completions Feb 22, 2012 Abandoned
Array ( [id] => 8936853 [patent_doc_number] => 20130186650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'TREATMENT PLUG AND METHOD OF ANCHORING AND SEALING THE SAME TO A STRUCTURE' [patent_app_type] => utility [patent_app_number] => 13/358287 [patent_app_country] => US [patent_app_date] => 2012-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2701 [patent_no_of_claims] => 23 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13358287 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/358287
Treatment plug and method of anchoring and sealing the same to a structure Jan 24, 2012 Issued
Array ( [id] => 8936850 [patent_doc_number] => 20130186647 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'TUBULAR ANCHORING SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/358307 [patent_app_country] => US [patent_app_date] => 2012-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4012 [patent_no_of_claims] => 33 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13358307 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/358307
Tubular anchoring system and method Jan 24, 2012 Issued
Array ( [id] => 9170980 [patent_doc_number] => 20130312963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-28 [patent_title] => 'Method for Combined Cleaning and Plugging in a Well, a Washing Tool for Directional Washing in a Well, and Uses Thereof' [patent_app_type] => utility [patent_app_number] => 13/521707 [patent_app_country] => US [patent_app_date] => 2012-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8294 [patent_no_of_claims] => 27 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13521707 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/521707
Method for combined cleaning and plugging in a well, a washing tool for directional washing in a well, and uses thereof Jan 8, 2012 Issued
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