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] => 4685128 [patent_doc_number] => 20080029309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-07 [patent_title] => 'Blade Assembly Especially for an Ice Auger or Like' [patent_app_type] => utility [patent_app_number] => 10/593447 [patent_app_country] => US [patent_app_date] => 2005-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2701 [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] => publications/A1/0029/20080029309.pdf [firstpage_image] =>[orig_patent_app_number] => 10593447 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/593447
Blade Assembly Especially for an Ice Auger or Like Mar 17, 2005 Abandoned
Array ( [id] => 5756849 [patent_doc_number] => 20060207794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-21 [patent_title] => 'Reversible penetrating machine with a springless pneumatically loaded differential air distributing mechanism' [patent_app_type] => utility [patent_app_number] => 11/081064 [patent_app_country] => US [patent_app_date] => 2005-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8219 [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/A1/0207/20060207794.pdf [firstpage_image] =>[orig_patent_app_number] => 11081064 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/081064
Reversible penetrating machine with a differential air distributing mechanism Mar 15, 2005 Issued
Array ( [id] => 5907727 [patent_doc_number] => 20060124312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-15 [patent_title] => 'Technique and apparatus for completing multiple zones' [patent_app_type] => utility [patent_app_number] => 11/081005 [patent_app_country] => US [patent_app_date] => 2005-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6286 [patent_no_of_claims] => 38 [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/A1/0124/20060124312.pdf [firstpage_image] =>[orig_patent_app_number] => 11081005 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/081005
Technique and apparatus for completing multiple zones Mar 14, 2005 Issued
Array ( [id] => 128598 [patent_doc_number] => 07699115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-20 [patent_title] => 'Method for applying an annular seal to a tubular element' [patent_app_type] => utility [patent_app_number] => 10/592407 [patent_app_country] => US [patent_app_date] => 2005-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2487 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/699/07699115.pdf [firstpage_image] =>[orig_patent_app_number] => 10592407 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/592407
Method for applying an annular seal to a tubular element Mar 8, 2005 Issued
Array ( [id] => 313828 [patent_doc_number] => 07523793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-28 [patent_title] => 'Drilling head with protective screen' [patent_app_type] => utility [patent_app_number] => 10/598787 [patent_app_country] => US [patent_app_date] => 2005-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1191 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/523/07523793.pdf [firstpage_image] =>[orig_patent_app_number] => 10598787 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/598787
Drilling head with protective screen Mar 3, 2005 Issued
Array ( [id] => 382099 [patent_doc_number] => 07306044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-11 [patent_title] => 'Method and system for lining tubulars' [patent_app_type] => utility [patent_app_number] => 11/070324 [patent_app_country] => US [patent_app_date] => 2005-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4986 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/306/07306044.pdf [firstpage_image] =>[orig_patent_app_number] => 11070324 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/070324
Method and system for lining tubulars Mar 1, 2005 Issued
Array ( [id] => 5680389 [patent_doc_number] => 20060196656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-07 [patent_title] => 'Liner setting tool' [patent_app_type] => utility [patent_app_number] => 11/070014 [patent_app_country] => US [patent_app_date] => 2005-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3226 [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/A1/0196/20060196656.pdf [firstpage_image] =>[orig_patent_app_number] => 11070014 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/070014
Liner setting tool Mar 1, 2005 Abandoned
Array ( [id] => 5772911 [patent_doc_number] => 20060102359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-05-18 [patent_title] => 'Valve' [patent_app_type] => utility [patent_app_number] => 11/070114 [patent_app_country] => US [patent_app_date] => 2005-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 6440 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0102/20060102359.pdf [firstpage_image] =>[orig_patent_app_number] => 11070114 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/070114
Apparatus and method for sealing a wellbore Mar 1, 2005 Issued
Array ( [id] => 5891746 [patent_doc_number] => 20060000605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-05 [patent_title] => 'Apparatus and method' [patent_app_type] => utility [patent_app_number] => 11/069247 [patent_app_country] => US [patent_app_date] => 2005-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5366 [patent_no_of_claims] => 33 [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/A1/0000/20060000605.pdf [firstpage_image] =>[orig_patent_app_number] => 11069247 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/069247
Apparatus and method Feb 28, 2005 Abandoned
Array ( [id] => 7174742 [patent_doc_number] => 20050189143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'Multiple antenna system for horizontal directional drilling' [patent_app_type] => utility [patent_app_number] => 11/068170 [patent_app_country] => US [patent_app_date] => 2005-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3824 [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] => publications/A1/0189/20050189143.pdf [firstpage_image] =>[orig_patent_app_number] => 11068170 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/068170
Multiple antenna system for horizontal directional drilling Feb 27, 2005 Issued
Array ( [id] => 5628155 [patent_doc_number] => 20060144623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-06 [patent_title] => 'Downhole tool' [patent_app_type] => utility [patent_app_number] => 11/066691 [patent_app_country] => US [patent_app_date] => 2005-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4855 [patent_no_of_claims] => 40 [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/A1/0144/20060144623.pdf [firstpage_image] =>[orig_patent_app_number] => 11066691 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/066691
Downhole under-reamer tool Feb 24, 2005 Issued
Array ( [id] => 7072117 [patent_doc_number] => 20050145383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-07 [patent_title] => 'Method and apparatus for stimulating heavy oil production' [patent_app_type] => utility [patent_app_number] => 11/063050 [patent_app_country] => US [patent_app_date] => 2005-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10043 [patent_no_of_claims] => 10 [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/A1/0145/20050145383.pdf [firstpage_image] =>[orig_patent_app_number] => 11063050 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/063050
Method and apparatus for stimulating heavy oil production Feb 21, 2005 Issued
Array ( [id] => 5674950 [patent_doc_number] => 20060180305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-17 [patent_title] => 'Integral Flush Gauge Cable Apparatus and Method' [patent_app_type] => utility [patent_app_number] => 10/906336 [patent_app_country] => US [patent_app_date] => 2005-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2689 [patent_no_of_claims] => 29 [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/A1/0180/20060180305.pdf [firstpage_image] =>[orig_patent_app_number] => 10906336 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/906336
Integral flush gauge cable apparatus and method Feb 14, 2005 Issued
Array ( [id] => 5898450 [patent_doc_number] => 20060043683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-02 [patent_title] => 'Piloting Actuator Valve for Subterranean Flow Control' [patent_app_type] => utility [patent_app_number] => 10/906083 [patent_app_country] => US [patent_app_date] => 2005-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2122 [patent_no_of_claims] => 24 [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/A1/0043/20060043683.pdf [firstpage_image] =>[orig_patent_app_number] => 10906083 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/906083
Piloting actuator valve for subterranean flow control Feb 1, 2005 Issued
Array ( [id] => 5868307 [patent_doc_number] => 20060162924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-27 [patent_title] => 'Mobile gas separation unit' [patent_app_type] => utility [patent_app_number] => 11/043825 [patent_app_country] => US [patent_app_date] => 2005-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2946 [patent_no_of_claims] => 25 [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/A1/0162/20060162924.pdf [firstpage_image] =>[orig_patent_app_number] => 11043825 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/043825
Mobile gas separation unit Jan 25, 2005 Abandoned
Array ( [id] => 5868315 [patent_doc_number] => 20060162932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-27 [patent_title] => 'Safety Valve for Use in an Injection Well' [patent_app_type] => utility [patent_app_number] => 10/905859 [patent_app_country] => US [patent_app_date] => 2005-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1464 [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/A1/0162/20060162932.pdf [firstpage_image] =>[orig_patent_app_number] => 10905859 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/905859
Safety valve for use in an injection well Jan 23, 2005 Issued
Array ( [id] => 5593364 [patent_doc_number] => 20060157280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-20 [patent_title] => 'Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements' [patent_app_type] => utility [patent_app_number] => 11/038889 [patent_app_country] => US [patent_app_date] => 2005-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4963 [patent_no_of_claims] => 28 [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/A1/0157/20060157280.pdf [firstpage_image] =>[orig_patent_app_number] => 11038889 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/038889
Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements Jan 19, 2005 Issued
Array ( [id] => 922274 [patent_doc_number] => 07318489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-15 [patent_title] => 'Hydraulic motor arrangement and method of operating a hydraulic motor' [patent_app_type] => utility [patent_app_number] => 11/039683 [patent_app_country] => US [patent_app_date] => 2005-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5226 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/318/07318489.pdf [firstpage_image] =>[orig_patent_app_number] => 11039683 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/039683
Hydraulic motor arrangement and method of operating a hydraulic motor Jan 18, 2005 Issued
Array ( [id] => 5691071 [patent_doc_number] => 20060151216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-13 [patent_title] => 'Downhole drilling tool' [patent_app_type] => utility [patent_app_number] => 11/033576 [patent_app_country] => US [patent_app_date] => 2005-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7407 [patent_no_of_claims] => 20 [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/A1/0151/20060151216.pdf [firstpage_image] =>[orig_patent_app_number] => 11033576 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/033576
Downhole drilling tool Jan 11, 2005 Issued
Array ( [id] => 407013 [patent_doc_number] => 07284607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-23 [patent_title] => 'System and technique for orienting and positioning a lateral string in a multilateral system' [patent_app_type] => utility [patent_app_number] => 10/905329 [patent_app_country] => US [patent_app_date] => 2004-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2931 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/284/07284607.pdf [firstpage_image] =>[orig_patent_app_number] => 10905329 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/905329
System and technique for orienting and positioning a lateral string in a multilateral system Dec 27, 2004 Issued
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