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] => 6752925 [patent_doc_number] => 20030000701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-02 [patent_title] => 'Apparatus and method for progressively gravel packing an interval of a wellbore' [patent_app_type] => new [patent_app_number] => 09/894080 [patent_app_country] => US [patent_app_date] => 2001-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5185 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0000/20030000701.pdf [firstpage_image] =>[orig_patent_app_number] => 09894080 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/894080
Apparatus and method for progressively gravel packing an interval of a wellbore Jun 27, 2001 Issued
Array ( [id] => 1569610 [patent_doc_number] => 06467201 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-22 [patent_title] => 'Trench-cutting machine with cutting head lock mechanism' [patent_app_type] => B1 [patent_app_number] => 09/891553 [patent_app_country] => US [patent_app_date] => 2001-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2142 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/467/06467201.pdf [firstpage_image] =>[orig_patent_app_number] => 09891553 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/891553
Trench-cutting machine with cutting head lock mechanism Jun 25, 2001 Issued
Array ( [id] => 5948824 [patent_doc_number] => 20020005660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-17 [patent_title] => 'Method of mining' [patent_app_type] => new [patent_app_number] => 09/891094 [patent_app_country] => US [patent_app_date] => 2001-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1427 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0005/20020005660.pdf [firstpage_image] =>[orig_patent_app_number] => 09891094 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/891094
Method of mining Jun 24, 2001 Issued
Array ( [id] => 6647893 [patent_doc_number] => 20030007835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-09 [patent_title] => 'Pavement corer and method' [patent_app_type] => new [patent_app_number] => 09/884203 [patent_app_country] => US [patent_app_date] => 2001-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1130 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0007/20030007835.pdf [firstpage_image] =>[orig_patent_app_number] => 09884203 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/884203
Pavement corer and method Jun 18, 2001 Abandoned
Array ( [id] => 1449046 [patent_doc_number] => 06460630 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-10-08 [patent_title] => 'Method and rock drilling apparatus for controlling rock drilling' [patent_app_type] => B2 [patent_app_number] => 09/875005 [patent_app_country] => US [patent_app_date] => 2001-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3236 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/460/06460630.pdf [firstpage_image] =>[orig_patent_app_number] => 09875005 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/875005
Method and rock drilling apparatus for controlling rock drilling Jun 6, 2001 Issued
Array ( [id] => 1011579 [patent_doc_number] => 06896064 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-24 [patent_title] => 'Compression set packer and method of use' [patent_app_type] => utility [patent_app_number] => 10/168660 [patent_app_country] => US [patent_app_date] => 2001-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3032 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/896/06896064.pdf [firstpage_image] =>[orig_patent_app_number] => 10168660 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/168660
Compression set packer and method of use Apr 26, 2001 Issued
Array ( [id] => 6439962 [patent_doc_number] => 20020148614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-17 [patent_title] => 'PDF valve' [patent_app_type] => new [patent_app_number] => 09/836755 [patent_app_country] => US [patent_app_date] => 2001-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3488 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0148/20020148614.pdf [firstpage_image] =>[orig_patent_app_number] => 09836755 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/836755
PDF valve Apr 16, 2001 Issued
Array ( [id] => 5799250 [patent_doc_number] => 20020008634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-24 [patent_title] => 'Signaling system for drilling' [patent_app_type] => new [patent_app_number] => 09/811841 [patent_app_country] => US [patent_app_date] => 2001-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2770 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0008/20020008634.pdf [firstpage_image] =>[orig_patent_app_number] => 09811841 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/811841
Signaling system for drilling Mar 18, 2001 Issued
Array ( [id] => 6043492 [patent_doc_number] => 20020166663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-14 [patent_title] => 'Sampling instruments for low-yield wells' [patent_app_type] => new [patent_app_number] => 09/809610 [patent_app_country] => US [patent_app_date] => 2001-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4753 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0166/20020166663.pdf [firstpage_image] =>[orig_patent_app_number] => 09809610 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/809610
Method and apparatus for sampling low-yield wells Mar 14, 2001 Issued
Array ( [id] => 1590427 [patent_doc_number] => 06491106 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-10 [patent_title] => 'Method of controlling a subsurface safety valve' [patent_app_type] => B1 [patent_app_number] => 09/808431 [patent_app_country] => US [patent_app_date] => 2001-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2148 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/491/06491106.pdf [firstpage_image] =>[orig_patent_app_number] => 09808431 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/808431
Method of controlling a subsurface safety valve Mar 13, 2001 Issued
Array ( [id] => 6897115 [patent_doc_number] => 20010045280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-29 [patent_title] => 'Field development system and associated methods' [patent_app_type] => new [patent_app_number] => 09/805611 [patent_app_country] => US [patent_app_date] => 2001-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3158 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0045/20010045280.pdf [firstpage_image] =>[orig_patent_app_number] => 09805611 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/805611
Field development methods Mar 12, 2001 Issued
Array ( [id] => 1590426 [patent_doc_number] => 06491105 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-10 [patent_title] => 'Cross-over housing for gas lift valve' [patent_app_type] => B2 [patent_app_number] => 09/803635 [patent_app_country] => US [patent_app_date] => 2001-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 4008 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/491/06491105.pdf [firstpage_image] =>[orig_patent_app_number] => 09803635 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/803635
Cross-over housing for gas lift valve Mar 8, 2001 Issued
Array ( [id] => 1376016 [patent_doc_number] => 06540304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-01 [patent_title] => 'Water spray assembly' [patent_app_type] => B2 [patent_app_number] => 09/799713 [patent_app_country] => US [patent_app_date] => 2001-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 2000 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/540/06540304.pdf [firstpage_image] =>[orig_patent_app_number] => 09799713 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/799713
Water spray assembly Mar 6, 2001 Issued
Array ( [id] => 1352597 [patent_doc_number] => 06561270 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-13 [patent_title] => 'Plug and plug set for use in wellbore' [patent_app_type] => B1 [patent_app_number] => 09/786530 [patent_app_country] => US [patent_app_date] => 2001-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4005 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/561/06561270.pdf [firstpage_image] =>[orig_patent_app_number] => 09786530 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/786530
Plug and plug set for use in wellbore Mar 5, 2001 Issued
Array ( [id] => 5855733 [patent_doc_number] => 20020121377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-05 [patent_title] => 'Lift fluid driven downhole electrical generator and method for use of the same' [patent_app_type] => new [patent_app_number] => 09/800290 [patent_app_country] => US [patent_app_date] => 2001-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4920 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0121/20020121377.pdf [firstpage_image] =>[orig_patent_app_number] => 09800290 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/800290
Lift fluid driven downhole electrical generator and method for use of the same Mar 4, 2001 Issued
Array ( [id] => 1202889 [patent_doc_number] => 06715560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-06 [patent_title] => 'Collet-cone slip system for releasably securing well tools' [patent_app_type] => B2 [patent_app_number] => 09/797436 [patent_app_country] => US [patent_app_date] => 2001-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 4834 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/715/06715560.pdf [firstpage_image] =>[orig_patent_app_number] => 09797436 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/797436
Collet-cone slip system for releasably securing well tools Feb 28, 2001 Issued
Array ( [id] => 1375105 [patent_doc_number] => 06536532 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-03-25 [patent_title] => 'Lock ring for pipe slip pick-up ring' [patent_app_type] => B2 [patent_app_number] => 09/797215 [patent_app_country] => US [patent_app_date] => 2001-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 4761 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/536/06536532.pdf [firstpage_image] =>[orig_patent_app_number] => 09797215 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/797215
Lock ring for pipe slip pick-up ring Feb 28, 2001 Issued
Array ( [id] => 5916893 [patent_doc_number] => 20020112861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-22 [patent_title] => 'Methods and apparatus for interconnecting well tool assemblies in continuous tubing strings' [patent_app_type] => new [patent_app_number] => 09/789249 [patent_app_country] => US [patent_app_date] => 2001-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4022 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0112/20020112861.pdf [firstpage_image] =>[orig_patent_app_number] => 09789249 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/789249
Methods and apparatus for interconnecting well tool assemblies in continuous tubing strings Feb 19, 2001 Issued
Array ( [id] => 1359544 [patent_doc_number] => 06554076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-29 [patent_title] => 'Hydraulically activated selective circulating/reverse circulating packer assembly' [patent_app_type] => B2 [patent_app_number] => 09/784650 [patent_app_country] => US [patent_app_date] => 2001-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3932 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/554/06554076.pdf [firstpage_image] =>[orig_patent_app_number] => 09784650 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/784650
Hydraulically activated selective circulating/reverse circulating packer assembly Feb 14, 2001 Issued
09/780896 Method and apparatus to simultaneously recover liquid and gas from a well using a bailer device Feb 8, 2001 Abandoned
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