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
10/019660 Coupling device for a rock drill Apr 11, 2002 Abandoned
Array ( [id] => 6872405 [patent_doc_number] => 20030192702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-16 [patent_title] => 'Gas-lock re-prime device for submersible pumps' [patent_app_type] => new [patent_app_number] => 10/121273 [patent_app_country] => US [patent_app_date] => 2002-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1898 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0192/20030192702.pdf [firstpage_image] =>[orig_patent_app_number] => 10121273 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/121273
Gas-lock re-prime device for submersible pumps and related methods Apr 11, 2002 Issued
Array ( [id] => 6863339 [patent_doc_number] => 20030188865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-09 [patent_title] => 'METHOD FOR ASSEMBLY OF A GRAVEL PACKING APPARATUS HAVING EXPANDABLE CHANNELS' [patent_app_type] => new [patent_app_number] => 10/118800 [patent_app_country] => US [patent_app_date] => 2002-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6547 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0188/20030188865.pdf [firstpage_image] =>[orig_patent_app_number] => 10118800 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/118800
METHOD FOR ASSEMBLY OF A GRAVEL PACKING APPARATUS HAVING EXPANDABLE CHANNELS Apr 8, 2002 Abandoned
Array ( [id] => 6863365 [patent_doc_number] => 20030188891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-09 [patent_title] => 'TWO SOLENOID GUIDE SYSTEM FOR HORIZONTAL BOREHOLES' [patent_app_type] => new [patent_app_number] => 10/114280 [patent_app_country] => US [patent_app_date] => 2002-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6473 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0188/20030188891.pdf [firstpage_image] =>[orig_patent_app_number] => 10114280 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/114280
Two solenoid guide system for horizontal boreholes Apr 2, 2002 Issued
Array ( [id] => 1261988 [patent_doc_number] => 06655461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-02 [patent_title] => 'Straddle packer tool and method for well treating having valving and fluid bypass system' [patent_app_type] => B2 [patent_app_number] => 10/113500 [patent_app_country] => US [patent_app_date] => 2002-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4459 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/655/06655461.pdf [firstpage_image] =>[orig_patent_app_number] => 10113500 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/113500
Straddle packer tool and method for well treating having valving and fluid bypass system Mar 31, 2002 Issued
Array ( [id] => 1148812 [patent_doc_number] => 06761218 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-07-13 [patent_title] => 'Methods and apparatus for improving performance of gravel packing systems' [patent_app_type] => B2 [patent_app_number] => 10/113499 [patent_app_country] => US [patent_app_date] => 2002-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4499 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/761/06761218.pdf [firstpage_image] =>[orig_patent_app_number] => 10113499 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/113499
Methods and apparatus for improving performance of gravel packing systems Mar 31, 2002 Issued
Array ( [id] => 5781946 [patent_doc_number] => 20020157831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-31 [patent_title] => 'Method and packer for processing a productive formation in bottom-hole zone of a well, and method for fixing a packer inside a well' [patent_app_type] => new [patent_app_number] => 10/106840 [patent_app_country] => US [patent_app_date] => 2002-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12008 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0157/20020157831.pdf [firstpage_image] =>[orig_patent_app_number] => 10106840 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/106840
Method and packer for processing a productive formation in bottom-hole zone of a well, and method for fixing a packer inside a well Mar 26, 2002 Abandoned
Array ( [id] => 1212968 [patent_doc_number] => 06705406 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-03-16 [patent_title] => 'Replaceable electrical device for a downhole tool and method thereof' [patent_app_type] => B2 [patent_app_number] => 10/106540 [patent_app_country] => US [patent_app_date] => 2002-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2304 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/705/06705406.pdf [firstpage_image] =>[orig_patent_app_number] => 10106540 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/106540
Replaceable electrical device for a downhole tool and method thereof Mar 25, 2002 Issued
Array ( [id] => 6832282 [patent_doc_number] => 20030159827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-28 [patent_title] => ' Multiple tube structure' [patent_app_type] => new [patent_app_number] => 10/083020 [patent_app_country] => US [patent_app_date] => 2002-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3646 [patent_no_of_claims] => 66 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20030159827.pdf [firstpage_image] =>[orig_patent_app_number] => 10083020 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/083020
Multiple tube structure Feb 25, 2002 Issued
Array ( [id] => 1259689 [patent_doc_number] => 06659183 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-09 [patent_title] => 'Cuttings injection target plate' [patent_app_type] => B2 [patent_app_number] => 10/081100 [patent_app_country] => US [patent_app_date] => 2002-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1648 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/659/06659183.pdf [firstpage_image] =>[orig_patent_app_number] => 10081100 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/081100
Cuttings injection target plate Feb 20, 2002 Issued
Array ( [id] => 5839505 [patent_doc_number] => 20020129943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'Method for controlling bottom-hole pressure during dual-gradient drilling' [patent_app_type] => new [patent_app_number] => 10/079170 [patent_app_country] => US [patent_app_date] => 2002-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3787 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0129/20020129943.pdf [firstpage_image] =>[orig_patent_app_number] => 10079170 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/079170
Method for controlling bottom-hole pressure during dual-gradient drilling Feb 19, 2002 Issued
Array ( [id] => 1190215 [patent_doc_number] => 06729392 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-05-04 [patent_title] => 'Tubing hanger with ball valve in the annulus bore' [patent_app_type] => B2 [patent_app_number] => 10/071650 [patent_app_country] => US [patent_app_date] => 2002-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3628 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/729/06729392.pdf [firstpage_image] =>[orig_patent_app_number] => 10071650 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/071650
Tubing hanger with ball valve in the annulus bore Feb 7, 2002 Issued
Array ( [id] => 6516685 [patent_doc_number] => 20020108752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-15 [patent_title] => 'Head for injecting liquid under pressure to excavate the ground' [patent_app_type] => new [patent_app_number] => 10/071480 [patent_app_country] => US [patent_app_date] => 2002-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2689 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0108/20020108752.pdf [firstpage_image] =>[orig_patent_app_number] => 10071480 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/071480
Head for injecting liquid under pressure to excavate the ground Feb 6, 2002 Issued
Array ( [id] => 6840642 [patent_doc_number] => 20030145989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-07 [patent_title] => 'ESP pump for gassy wells' [patent_app_type] => new [patent_app_number] => 10/061100 [patent_app_country] => US [patent_app_date] => 2002-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4114 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0145/20030145989.pdf [firstpage_image] =>[orig_patent_app_number] => 10061100 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/061100
ESP pump for gassy wells Jan 31, 2002 Issued
Array ( [id] => 1245682 [patent_doc_number] => 06672384 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-01-06 [patent_title] => 'Plug-dropping container for releasing a plug into a wellbore' [patent_app_type] => B2 [patent_app_number] => 10/066460 [patent_app_country] => US [patent_app_date] => 2002-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 6156 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/672/06672384.pdf [firstpage_image] =>[orig_patent_app_number] => 10066460 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/066460
Plug-dropping container for releasing a plug into a wellbore Jan 30, 2002 Issued
Array ( [id] => 1193514 [patent_doc_number] => 06725935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-27 [patent_title] => 'PDF valve' [patent_app_type] => B2 [patent_app_number] => 10/059649 [patent_app_country] => US [patent_app_date] => 2002-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3809 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/725/06725935.pdf [firstpage_image] =>[orig_patent_app_number] => 10059649 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/059649
PDF valve Jan 28, 2002 Issued
Array ( [id] => 1251336 [patent_doc_number] => 06668946 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-30 [patent_title] => 'Backreamer' [patent_app_type] => B2 [patent_app_number] => 10/055735 [patent_app_country] => US [patent_app_date] => 2002-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 5981 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/668/06668946.pdf [firstpage_image] =>[orig_patent_app_number] => 10055735 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/055735
Backreamer Jan 21, 2002 Issued
Array ( [id] => 1321040 [patent_doc_number] => 06595278 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-22 [patent_title] => 'Assembly for locking a polished rod in a pumping wellhead' [patent_app_type] => B1 [patent_app_number] => 10/052040 [patent_app_country] => US [patent_app_date] => 2002-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 3804 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/595/06595278.pdf [firstpage_image] =>[orig_patent_app_number] => 10052040 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/052040
Assembly for locking a polished rod in a pumping wellhead Jan 16, 2002 Issued
Array ( [id] => 1265412 [patent_doc_number] => 06652035 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-11-25 [patent_title] => 'Highwall mining system' [patent_app_type] => B2 [patent_app_number] => 10/008168 [patent_app_country] => US [patent_app_date] => 2001-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 23 [patent_no_of_words] => 7717 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/652/06652035.pdf [firstpage_image] =>[orig_patent_app_number] => 10008168 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/008168
Highwall mining system Dec 4, 2001 Issued
Array ( [id] => 1256544 [patent_doc_number] => 06662877 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-16 [patent_title] => 'Formation isolation valve' [patent_app_type] => B2 [patent_app_number] => 09/996146 [patent_app_country] => US [patent_app_date] => 2001-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5881 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/662/06662877.pdf [firstpage_image] =>[orig_patent_app_number] => 09996146 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/996146
Formation isolation valve Nov 27, 2001 Issued
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