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] => 1315020 [patent_doc_number] => 06601651 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-08-05 [patent_title] => 'Downhole gas compression' [patent_app_type] => B2 [patent_app_number] => 09/776556 [patent_app_country] => US [patent_app_date] => 2001-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2596 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/601/06601651.pdf [firstpage_image] =>[orig_patent_app_number] => 09776556 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/776556
Downhole gas compression Feb 1, 2001 Issued
Array ( [id] => 1496167 [patent_doc_number] => 06484816 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-26 [patent_title] => 'Method and system for controlling well bore pressure' [patent_app_type] => B1 [patent_app_number] => 09/770594 [patent_app_country] => US [patent_app_date] => 2001-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7776 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/484/06484816.pdf [firstpage_image] =>[orig_patent_app_number] => 09770594 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/770594
Method and system for controlling well bore pressure Jan 25, 2001 Issued
Array ( [id] => 1235157 [patent_doc_number] => 06684953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-03 [patent_title] => 'Wireless packer/anchor setting or activation' [patent_app_type] => B2 [patent_app_number] => 09/767184 [patent_app_country] => US [patent_app_date] => 2001-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2716 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/684/06684953.pdf [firstpage_image] =>[orig_patent_app_number] => 09767184 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/767184
Wireless packer/anchor setting or activation Jan 21, 2001 Issued
Array ( [id] => 1368888 [patent_doc_number] => 06543537 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-08 [patent_title] => 'Method and apparatus for producing an oil reservoir' [patent_app_type] => B1 [patent_app_number] => 09/743701 [patent_app_country] => US [patent_app_date] => 2001-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1675 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/543/06543537.pdf [firstpage_image] =>[orig_patent_app_number] => 09743701 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/743701
Method and apparatus for producing an oil reservoir Jan 15, 2001 Issued
Array ( [id] => 1368947 [patent_doc_number] => 06543540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-08 [patent_title] => 'Method and apparatus for downhole production zone' [patent_app_type] => B2 [patent_app_number] => 09/754944 [patent_app_country] => US [patent_app_date] => 2001-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4729 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/543/06543540.pdf [firstpage_image] =>[orig_patent_app_number] => 09754944 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/754944
Method and apparatus for downhole production zone Jan 4, 2001 Issued
Array ( [id] => 6204953 [patent_doc_number] => 20020070028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-13 [patent_title] => 'Debris free valve apparatus' [patent_app_type] => new [patent_app_number] => 09/754464 [patent_app_country] => US [patent_app_date] => 2001-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7662 [patent_no_of_claims] => 67 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0070/20020070028.pdf [firstpage_image] =>[orig_patent_app_number] => 09754464 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/754464
Debris free valve apparatus Jan 3, 2001 Issued
Array ( [id] => 6075040 [patent_doc_number] => 20020079098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-27 [patent_title] => 'Method and apparatus for a tubing conveyed perforating guns fire identification system using enhanced marker material' [patent_app_type] => new [patent_app_number] => 09/749166 [patent_app_country] => US [patent_app_date] => 2000-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2617 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0079/20020079098.pdf [firstpage_image] =>[orig_patent_app_number] => 09749166 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/749166
Method and apparatus for a tubing conveyed perforating guns fire identification system using enhanced marker material Dec 26, 2000 Issued
Array ( [id] => 6122136 [patent_doc_number] => 20020074131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-20 [patent_title] => 'Stripper/packer' [patent_app_type] => new [patent_app_number] => 09/742070 [patent_app_country] => US [patent_app_date] => 2000-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1794 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0074/20020074131.pdf [firstpage_image] =>[orig_patent_app_number] => 09742070 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/742070
Stripper/packer Dec 19, 2000 Issued
Array ( [id] => 6204943 [patent_doc_number] => 20020070018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-13 [patent_title] => 'Whipstock orientation system and method' [patent_app_type] => new [patent_app_number] => 09/732289 [patent_app_country] => US [patent_app_date] => 2000-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4525 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0070/20020070018.pdf [firstpage_image] =>[orig_patent_app_number] => 09732289 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/732289
Whipstock orientation system and method Dec 6, 2000 Abandoned
Array ( [id] => 7104575 [patent_doc_number] => 20010004016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-06-21 [patent_title] => 'Perforating gun brake' [patent_app_type] => new-utility [patent_app_number] => 09/725031 [patent_app_country] => US [patent_app_date] => 2000-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1794 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0004/20010004016.pdf [firstpage_image] =>[orig_patent_app_number] => 09725031 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/725031
Perforating gun brake Nov 28, 2000 Abandoned
Array ( [id] => 1449016 [patent_doc_number] => 06460619 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-08 [patent_title] => 'Method and apparatus for creation and isolation of multiple fracture zones in an earth formation' [patent_app_type] => B1 [patent_app_number] => 09/724073 [patent_app_country] => US [patent_app_date] => 2000-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2189 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/460/06460619.pdf [firstpage_image] =>[orig_patent_app_number] => 09724073 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/724073
Method and apparatus for creation and isolation of multiple fracture zones in an earth formation Nov 27, 2000 Issued
Array ( [id] => 1497095 [patent_doc_number] => 06485104 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-26 [patent_title] => 'Cutting tool assembly with replaceable spray nozzle housing' [patent_app_type] => B1 [patent_app_number] => 09/718676 [patent_app_country] => US [patent_app_date] => 2000-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2383 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/485/06485104.pdf [firstpage_image] =>[orig_patent_app_number] => 09718676 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/718676
Cutting tool assembly with replaceable spray nozzle housing Nov 21, 2000 Issued
Array ( [id] => 1455537 [patent_doc_number] => 06425443 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-30 [patent_title] => 'Pressure compensated disconnect system and method' [patent_app_type] => B1 [patent_app_number] => 09/716986 [patent_app_country] => US [patent_app_date] => 2000-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2324 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/425/06425443.pdf [firstpage_image] =>[orig_patent_app_number] => 09716986 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/716986
Pressure compensated disconnect system and method Nov 19, 2000 Issued
Array ( [id] => 1408587 [patent_doc_number] => 06502650 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-07 [patent_title] => 'Percussive down-the-hole hammer for rock drilling, and a drill bit used therein' [patent_app_type] => B1 [patent_app_number] => 09/712221 [patent_app_country] => US [patent_app_date] => 2000-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3317 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/502/06502650.pdf [firstpage_image] =>[orig_patent_app_number] => 09712221 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/712221
Percussive down-the-hole hammer for rock drilling, and a drill bit used therein Nov 14, 2000 Issued
Array ( [id] => 1516874 [patent_doc_number] => 06412552 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-02 [patent_title] => 'Cable protector' [patent_app_type] => B1 [patent_app_number] => 09/704944 [patent_app_country] => US [patent_app_date] => 2000-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2546 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/412/06412552.pdf [firstpage_image] =>[orig_patent_app_number] => 09704944 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/704944
Cable protector Nov 1, 2000 Issued
Array ( [id] => 1446147 [patent_doc_number] => 06453998 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Progressive lock integral joint centralizer' [patent_app_type] => B1 [patent_app_number] => 09/703236 [patent_app_country] => US [patent_app_date] => 2000-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2221 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/453/06453998.pdf [firstpage_image] =>[orig_patent_app_number] => 09703236 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/703236
Progressive lock integral joint centralizer Oct 30, 2000 Issued
Array ( [id] => 1502486 [patent_doc_number] => 06439302 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-27 [patent_title] => 'Stripper packer' [patent_app_type] => B1 [patent_app_number] => 09/697406 [patent_app_country] => US [patent_app_date] => 2000-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2381 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/439/06439302.pdf [firstpage_image] =>[orig_patent_app_number] => 09697406 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/697406
Stripper packer Oct 25, 2000 Issued
Array ( [id] => 1392209 [patent_doc_number] => 06520260 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-02-18 [patent_title] => 'Well treatment tool and method of treating a well' [patent_app_type] => B1 [patent_app_number] => 09/697931 [patent_app_country] => US [patent_app_date] => 2000-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5967 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/520/06520260.pdf [firstpage_image] =>[orig_patent_app_number] => 09697931 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/697931
Well treatment tool and method of treating a well Oct 25, 2000 Issued
Array ( [id] => 1205956 [patent_doc_number] => 06712141 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-30 [patent_title] => 'Method and apparatus for deployment, mounting and coupling of downhole geophones' [patent_app_type] => B1 [patent_app_number] => 09/694141 [patent_app_country] => US [patent_app_date] => 2000-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2577 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/712/06712141.pdf [firstpage_image] =>[orig_patent_app_number] => 09694141 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/694141
Method and apparatus for deployment, mounting and coupling of downhole geophones Oct 22, 2000 Issued
Array ( [id] => 1597823 [patent_doc_number] => 06431269 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-13 [patent_title] => 'Electrically controlled release device' [patent_app_type] => B1 [patent_app_number] => 09/686334 [patent_app_country] => US [patent_app_date] => 2000-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4043 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/431/06431269.pdf [firstpage_image] =>[orig_patent_app_number] => 09686334 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/686334
Electrically controlled release device Oct 10, 2000 Issued
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