Search

Henry W Yu

Examiner (ID: 6413, Phone: (571)272-9779 , Office: P/2181 )

Most Active Art Unit
2181
Art Unit(s)
2181, 2182
Total Applications
556
Issued Applications
331
Pending Applications
42
Abandoned Applications
183

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7351717 [patent_doc_number] => 20040089452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production' [patent_app_type] => new [patent_app_number] => 10/607348 [patent_app_country] => US [patent_app_date] => 2003-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3737 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0089/20040089452.pdf [firstpage_image] =>[orig_patent_app_number] => 10607348 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/607348
Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production Jun 25, 2003 Issued
Array ( [id] => 6723062 [patent_doc_number] => 20030205374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-06 [patent_title] => 'One trip through tubing window milling apparatus and method' [patent_app_type] => new [patent_app_number] => 10/447621 [patent_app_country] => US [patent_app_date] => 2003-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2581 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0205/20030205374.pdf [firstpage_image] =>[orig_patent_app_number] => 10447621 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/447621
Retrievable through-tubing whipstock apparatus having fluid-responsive pivotal anchoring members May 28, 2003 Issued
Array ( [id] => 1145077 [patent_doc_number] => 06766853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-07-27 [patent_title] => 'Apparatus for interconnecting continuous tubing strings having sidewall-embedded lines therein' [patent_app_type] => B2 [patent_app_number] => 10/396590 [patent_app_country] => US [patent_app_date] => 2003-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4046 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/766/06766853.pdf [firstpage_image] =>[orig_patent_app_number] => 10396590 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/396590
Apparatus for interconnecting continuous tubing strings having sidewall-embedded lines therein Mar 24, 2003 Issued
Array ( [id] => 6653581 [patent_doc_number] => 20030131991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-17 [patent_title] => 'Tracer release method for monitoring fluid flow in a well' [patent_app_type] => new [patent_app_number] => 10/296880 [patent_app_country] => US [patent_app_date] => 2002-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1653 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0131/20030131991.pdf [firstpage_image] =>[orig_patent_app_number] => 10296880 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/296880
Tracer release method for monitoring fluid flow in a well Nov 26, 2002 Issued
Array ( [id] => 7440211 [patent_doc_number] => 20040050547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-18 [patent_title] => 'Downhole upgrading of oils' [patent_app_type] => new [patent_app_number] => 10/244320 [patent_app_country] => US [patent_app_date] => 2002-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1373 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20040050547.pdf [firstpage_image] =>[orig_patent_app_number] => 10244320 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/244320
Downhole upgrading of oils Sep 15, 2002 Abandoned
Array ( [id] => 1300337 [patent_doc_number] => 06616244 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-09 [patent_title] => 'Method and arrangement for determining position of unmanned mining vehicles' [patent_app_type] => B2 [patent_app_number] => 10/241438 [patent_app_country] => US [patent_app_date] => 2002-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3044 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/616/06616244.pdf [firstpage_image] =>[orig_patent_app_number] => 10241438 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/241438
Method and arrangement for determining position of unmanned mining vehicles Sep 11, 2002 Issued
Array ( [id] => 6848873 [patent_doc_number] => 20030141075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-31 [patent_title] => 'Apparatus and method for obtaining proper space-out in a well' [patent_app_type] => new [patent_app_number] => 10/233900 [patent_app_country] => US [patent_app_date] => 2002-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3071 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20030141075.pdf [firstpage_image] =>[orig_patent_app_number] => 10233900 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/233900
Apparatus and method for obtaining proper space-out in a well Sep 2, 2002 Issued
Array ( [id] => 1084372 [patent_doc_number] => 06830106 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-12-14 [patent_title] => 'Multilateral well completion apparatus and methods of use' [patent_app_type] => B2 [patent_app_number] => 10/226360 [patent_app_country] => US [patent_app_date] => 2002-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4675 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/830/06830106.pdf [firstpage_image] =>[orig_patent_app_number] => 10226360 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/226360
Multilateral well completion apparatus and methods of use Aug 21, 2002 Issued
Array ( [id] => 1093133 [patent_doc_number] => 06820695 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-23 [patent_title] => 'Snap-lock seal for seal valve assembly' [patent_app_type] => B2 [patent_app_number] => 10/194820 [patent_app_country] => US [patent_app_date] => 2002-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 2697 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/820/06820695.pdf [firstpage_image] =>[orig_patent_app_number] => 10194820 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/194820
Snap-lock seal for seal valve assembly Jul 10, 2002 Issued
Array ( [id] => 1122749 [patent_doc_number] => 06789635 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-09-14 [patent_title] => 'Drill bit for directional drilling in cobble formations' [patent_app_type] => B2 [patent_app_number] => 10/173995 [patent_app_country] => US [patent_app_date] => 2002-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3182 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/789/06789635.pdf [firstpage_image] =>[orig_patent_app_number] => 10173995 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/173995
Drill bit for directional drilling in cobble formations Jun 17, 2002 Issued
Array ( [id] => 1224107 [patent_doc_number] => 06695050 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-24 [patent_title] => 'Expandable retaining shoe' [patent_app_type] => B2 [patent_app_number] => 10/166020 [patent_app_country] => US [patent_app_date] => 2002-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 7485 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/695/06695050.pdf [firstpage_image] =>[orig_patent_app_number] => 10166020 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/166020
Expandable retaining shoe Jun 9, 2002 Issued
Array ( [id] => 6488277 [patent_doc_number] => 20020189819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-19 [patent_title] => 'Interchangeable coiled tubing support block' [patent_app_type] => new [patent_app_number] => 10/166206 [patent_app_country] => US [patent_app_date] => 2002-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3497 [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] => publication [pdf_file] => publications/A1/0189/20020189819.pdf [firstpage_image] =>[orig_patent_app_number] => 10166206 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/166206
Interchangeable coiled tubing support block and method of use Jun 9, 2002 Issued
Array ( [id] => 6805191 [patent_doc_number] => 20030232585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-12-18 [patent_title] => 'Traverse carriage' [patent_app_type] => new [patent_app_number] => 10/155388 [patent_app_country] => US [patent_app_date] => 2002-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2015 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0232/20030232585.pdf [firstpage_image] =>[orig_patent_app_number] => 10155388 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/155388
Traverse carriage May 27, 2002 Issued
Array ( [id] => 6106278 [patent_doc_number] => 20020170709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-21 [patent_title] => 'Apparatus for suspending a pipe within a well casing' [patent_app_type] => new [patent_app_number] => 10/146785 [patent_app_country] => US [patent_app_date] => 2002-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 2347 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0170/20020170709.pdf [firstpage_image] =>[orig_patent_app_number] => 10146785 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/146785
Apparatus for suspending a pipe within a well casing May 15, 2002 Issued
Array ( [id] => 6732902 [patent_doc_number] => 20030010537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-16 [patent_title] => 'Hole digger' [patent_app_type] => new [patent_app_number] => 10/137825 [patent_app_country] => US [patent_app_date] => 2002-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3078 [patent_no_of_claims] => 60 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0010/20030010537.pdf [firstpage_image] =>[orig_patent_app_number] => 10137825 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/137825
Hole digger Apr 30, 2002 Abandoned
Array ( [id] => 1172821 [patent_doc_number] => 06736208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-05-18 [patent_title] => 'Wellhead production pumping tree with access port' [patent_app_type] => B2 [patent_app_number] => 10/128406 [patent_app_country] => US [patent_app_date] => 2002-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1792 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/736/06736208.pdf [firstpage_image] =>[orig_patent_app_number] => 10128406 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/128406
Wellhead production pumping tree with access port Apr 22, 2002 Issued
Array ( [id] => 6424257 [patent_doc_number] => 20020174985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-28 [patent_title] => 'Positive indication system for well annulus cement displacement' [patent_app_type] => new [patent_app_number] => 10/128473 [patent_app_country] => US [patent_app_date] => 2002-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3727 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0174/20020174985.pdf [firstpage_image] =>[orig_patent_app_number] => 10128473 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/128473
Positive indication system for well annulus cement displacement Apr 22, 2002 Issued
Array ( [id] => 1279932 [patent_doc_number] => 06634440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-21 [patent_title] => 'Tool for the removal of a drill core' [patent_app_type] => B2 [patent_app_number] => 10/127260 [patent_app_country] => US [patent_app_date] => 2002-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1567 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/634/06634440.pdf [firstpage_image] =>[orig_patent_app_number] => 10127260 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/127260
Tool for the removal of a drill core Apr 21, 2002 Issued
Array ( [id] => 1238185 [patent_doc_number] => 06681871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-01-27 [patent_title] => 'Auger tool for boring' [patent_app_type] => B2 [patent_app_number] => 10/126313 [patent_app_country] => US [patent_app_date] => 2002-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 5638 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/681/06681871.pdf [firstpage_image] =>[orig_patent_app_number] => 10126313 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/126313
Auger tool for boring Apr 18, 2002 Issued
10/019663 Sleeve arrangement Apr 16, 2002 Abandoned
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