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] => 8887823 [patent_doc_number] => 20130161007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'PULSE DETONATION TOOL, METHOD AND SYSTEM FOR FORMATION FRACTURING' [patent_app_type] => utility [patent_app_number] => 13/334847 [patent_app_country] => US [patent_app_date] => 2011-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6836 [patent_no_of_claims] => 45 [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] => 13334847 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/334847
PULSE DETONATION TOOL, METHOD AND SYSTEM FOR FORMATION FRACTURING Dec 21, 2011 Abandoned
Array ( [id] => 8862573 [patent_doc_number] => 20130146276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-13 [patent_title] => 'Flow Control Hanger and Polished Bore Receptacle' [patent_app_type] => utility [patent_app_number] => 13/316867 [patent_app_country] => US [patent_app_date] => 2011-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5993 [patent_no_of_claims] => 27 [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] => 13316867 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/316867
Flow control hanger and polished bore receptacle Dec 11, 2011 Issued
Array ( [id] => 9013411 [patent_doc_number] => 20130228375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-05 [patent_title] => 'NAVIGATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/885027 [patent_app_country] => US [patent_app_date] => 2011-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3297 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13885027 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/885027
Navigation system Nov 13, 2011 Issued
Array ( [id] => 10483981 [patent_doc_number] => 20150369000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-24 [patent_title] => 'SEALING ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/006827 [patent_app_country] => US [patent_app_date] => 2011-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10154 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14006827 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/006827
Sealing assembly Oct 11, 2011 Issued
Array ( [id] => 8396822 [patent_doc_number] => 08267199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-09-18 [patent_title] => 'Perforating and jet drilling method and apparatus' [patent_app_type] => utility [patent_app_number] => 13/237850 [patent_app_country] => US [patent_app_date] => 2011-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4754 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 504 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13237850 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/237850
Perforating and jet drilling method and apparatus Sep 19, 2011 Issued
Array ( [id] => 11562155 [patent_doc_number] => 09624729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-18 [patent_title] => 'Real time bit monitoring' [patent_app_type] => utility [patent_app_number] => 13/237754 [patent_app_country] => US [patent_app_date] => 2011-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 10755 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13237754 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/237754
Real time bit monitoring Sep 19, 2011 Issued
Array ( [id] => 7814459 [patent_doc_number] => 20120061079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-15 [patent_title] => 'Perforating and Jet Drilling Method and Apparatus' [patent_app_type] => utility [patent_app_number] => 13/237292 [patent_app_country] => US [patent_app_date] => 2011-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4753 [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] => publications/A1/0061/20120061079.pdf [firstpage_image] =>[orig_patent_app_number] => 13237292 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/237292
Perforating and jet drilling method and apparatus Sep 19, 2011 Issued
Array ( [id] => 8850414 [patent_doc_number] => 20130140089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'METHOD AND SYSTEM FOR CONTROLLING A COMPRESSOR AT A ROCK DRILLING APPARATUS AND A ROCK DRILLING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/261587 [patent_app_country] => US [patent_app_date] => 2011-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7078 [patent_no_of_claims] => 22 [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] => 13261587 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/261587
Method and system for controlling a compressor at a rock drilling apparatus and a rock drilling apparatus Aug 24, 2011 Issued
Array ( [id] => 9459794 [patent_doc_number] => 20140124219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'SYSTEMS AND METHODS FOR LOCKING SWIVEL JOINTS WHEN PERFORMING SUBTERRANEAN OPERATIONS' [patent_app_type] => utility [patent_app_number] => 14/126787 [patent_app_country] => US [patent_app_date] => 2011-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2636 [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] => 14126787 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/126787
SYSTEMS AND METHODS FOR LOCKING SWIVEL JOINTS WHEN PERFORMING SUBTERRANEAN OPERATIONS Aug 10, 2011 Abandoned
Array ( [id] => 7576679 [patent_doc_number] => 20110290561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'Downhole Hydraulic Jetting Assembly, and Method for Stimulating a Production Wellbore' [patent_app_type] => utility [patent_app_number] => 13/198802 [patent_app_country] => US [patent_app_date] => 2011-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 39 [patent_no_of_words] => 25658 [patent_no_of_claims] => 42 [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/A1/0290/20110290561.pdf [firstpage_image] =>[orig_patent_app_number] => 13198802 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/198802
Downhole hydraulic jetting assembly, and method for stimulating a production wellbore Aug 4, 2011 Issued
Array ( [id] => 8614768 [patent_doc_number] => 20130020080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-24 [patent_title] => 'METHOD FOR IN SITU EXTRACTION OF HYDROCARBON MATERIALS' [patent_app_type] => utility [patent_app_number] => 13/187065 [patent_app_country] => US [patent_app_date] => 2011-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1841 [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] => 13187065 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/187065
METHOD FOR IN SITU EXTRACTION OF HYDROCARBON MATERIALS Jul 19, 2011 Abandoned
Array ( [id] => 10942839 [patent_doc_number] => 20140345860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-27 [patent_title] => 'DOWNHOLE SAMPLE MODULE WITH AN ACCESSIBLE CAPTURED VOLUME ADJACENT A SAMPLE BOTTLE' [patent_app_type] => utility [patent_app_number] => 14/129967 [patent_app_country] => US [patent_app_date] => 2011-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7153 [patent_no_of_claims] => 25 [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] => 14129967 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/129967
DOWNHOLE SAMPLE MODULE WITH AN ACCESSIBLE CAPTURED VOLUME ADJACENT A SAMPLE BOTTLE Jun 29, 2011 Abandoned
Array ( [id] => 7505772 [patent_doc_number] => 20110253460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-20 [patent_title] => 'BLADE-TYPE DRILL BIT' [patent_app_type] => utility [patent_app_number] => 13/171681 [patent_app_country] => US [patent_app_date] => 2011-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3678 [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/A1/0253/20110253460.pdf [firstpage_image] =>[orig_patent_app_number] => 13171681 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/171681
BLADE-TYPE DRILL BIT Jun 28, 2011 Abandoned
Array ( [id] => 8582086 [patent_doc_number] => 20130000907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-03 [patent_title] => 'Milling Assembly' [patent_app_type] => utility [patent_app_number] => 13/171127 [patent_app_country] => US [patent_app_date] => 2011-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2486 [patent_no_of_claims] => 30 [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] => 13171127 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/171127
Milling Assembly Jun 27, 2011 Abandoned
Array ( [id] => 10104299 [patent_doc_number] => 09140075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-22 [patent_title] => 'Mechanically modified filter cake' [patent_app_type] => utility [patent_app_number] => 13/168621 [patent_app_country] => US [patent_app_date] => 2011-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 6433 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13168621 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/168621
Mechanically modified filter cake Jun 23, 2011 Issued
Array ( [id] => 9399841 [patent_doc_number] => 08689886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-08 [patent_title] => 'Gate valve seat and seat ring' [patent_app_type] => utility [patent_app_number] => 13/164556 [patent_app_country] => US [patent_app_date] => 2011-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2757 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13164556 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/164556
Gate valve seat and seat ring Jun 19, 2011 Issued
Array ( [id] => 10193434 [patent_doc_number] => 09222334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-29 [patent_title] => 'Valve system for downhole tool string' [patent_app_type] => utility [patent_app_number] => 13/163013 [patent_app_country] => US [patent_app_date] => 2011-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 4476 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13163013 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/163013
Valve system for downhole tool string Jun 16, 2011 Issued
Array ( [id] => 7659522 [patent_doc_number] => 20110308791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'Apparatus for Use Downhole Including Devices Having Heat Carrier Channels' [patent_app_type] => utility [patent_app_number] => 13/163033 [patent_app_country] => US [patent_app_date] => 2011-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5741 [patent_no_of_claims] => 23 [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/A1/0308/20110308791.pdf [firstpage_image] =>[orig_patent_app_number] => 13163033 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/163033
Apparatus for Use Downhole Including Devices Having Heat Carrier Channels Jun 16, 2011 Abandoned
Array ( [id] => 9425711 [patent_doc_number] => 08701772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-22 [patent_title] => 'Managing treatment of subterranean zones' [patent_app_type] => utility [patent_app_number] => 13/161636 [patent_app_country] => US [patent_app_date] => 2011-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 11113 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13161636 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/161636
Managing treatment of subterranean zones Jun 15, 2011 Issued
Array ( [id] => 9425710 [patent_doc_number] => 08701771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-22 [patent_title] => 'Managing treatment of subterranean zones' [patent_app_type] => utility [patent_app_number] => 13/161623 [patent_app_country] => US [patent_app_date] => 2011-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 11128 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13161623 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/161623
Managing treatment of subterranean zones Jun 15, 2011 Issued
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