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 number | Title of the application | Filing Date | Status |
---|---|---|---|
Array
(
[id] => 6590366
[patent_doc_number] => 20020062994
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-05-30
[patent_title] => 'Ground drilling machine and rod exchanger utilized therefor'
[patent_app_type] => new
[patent_app_number] => 09/988410
[patent_app_country] => US
[patent_app_date] => 2001-11-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
[patent_figures_cnt] => 22
[patent_no_of_words] => 7158
[patent_no_of_claims] => 6
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[patent_words_short_claim] => 51
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0062/20020062994.pdf
[firstpage_image] =>[orig_patent_app_number] => 09988410
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/988410 | Ground drilling machine and rod exchanger utilized therefor | Nov 18, 2001 | Issued |
Array
(
[id] => 1253539
[patent_doc_number] => 06666271
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-12-23
[patent_title] => 'Curved flapper and seat for a subsurface saftey valve'
[patent_app_type] => B2
[patent_app_number] => 09/998800
[patent_app_country] => US
[patent_app_date] => 2001-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 19
[patent_no_of_words] => 5964
[patent_no_of_claims] => 54
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 91
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/666/06666271.pdf
[firstpage_image] =>[orig_patent_app_number] => 09998800
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/998800 | Curved flapper and seat for a subsurface saftey valve | Oct 31, 2001 | Issued |
Array
(
[id] => 1243506
[patent_doc_number] => 06675917
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-01-13
[patent_title] => 'Twist drill bit for rock drilling'
[patent_app_type] => B2
[patent_app_number] => 09/972285
[patent_app_country] => US
[patent_app_date] => 2001-10-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1021
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 127
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/675/06675917.pdf
[firstpage_image] =>[orig_patent_app_number] => 09972285
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/972285 | Twist drill bit for rock drilling | Oct 4, 2001 | Issued |
Array
(
[id] => 6091218
[patent_doc_number] => 20020050361
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-05-02
[patent_title] => 'Novel completion method for rigless intervention where power cable is permanently deployed'
[patent_app_type] => new
[patent_app_number] => 09/969230
[patent_app_country] => US
[patent_app_date] => 2001-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 5060
[patent_no_of_claims] => 27
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 82
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0050/20020050361.pdf
[firstpage_image] =>[orig_patent_app_number] => 09969230
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/969230 | Novel completion method for rigless intervention where power cable is permanently deployed | Sep 30, 2001 | Abandoned |
Array
(
[id] => 1200447
[patent_doc_number] => 06719054
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-04-13
[patent_title] => 'Method for acid stimulating a subterranean well formation for improving hydrocarbon production'
[patent_app_type] => B2
[patent_app_number] => 09/966129
[patent_app_country] => US
[patent_app_date] => 2001-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 3945
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 91
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/719/06719054.pdf
[firstpage_image] =>[orig_patent_app_number] => 09966129
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/966129 | Method for acid stimulating a subterranean well formation for improving hydrocarbon production | Sep 27, 2001 | Issued |
Array
(
[id] => 1193509
[patent_doc_number] => 06725933
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-04-27
[patent_title] => 'Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production'
[patent_app_type] => B2
[patent_app_number] => 09/966630
[patent_app_country] => US
[patent_app_date] => 2001-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 3689
[patent_no_of_claims] => 10
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/725/06725933.pdf
[firstpage_image] =>[orig_patent_app_number] => 09966630
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/966630 | Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production | Sep 27, 2001 | Issued |
Array
(
[id] => 1029259
[patent_doc_number] => 06877553
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-04-12
[patent_title] => 'Profiled recess for instrumented expandable components'
[patent_app_type] => utility
[patent_app_number] => 09/964034
[patent_app_country] => US
[patent_app_date] => 2001-09-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3136
[patent_no_of_claims] => 41
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 80
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/877/06877553.pdf
[firstpage_image] =>[orig_patent_app_number] => 09964034
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/964034 | Profiled recess for instrumented expandable components | Sep 25, 2001 | Issued |
Array
(
[id] => 1235160
[patent_doc_number] => 06684956
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-02-03
[patent_title] => 'Method and apparatus for producing fluids from multiple formations'
[patent_app_type] => B1
[patent_app_number] => 09/956716
[patent_app_country] => US
[patent_app_date] => 2001-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 4379
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 8
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/684/06684956.pdf
[firstpage_image] =>[orig_patent_app_number] => 09956716
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/956716 | Method and apparatus for producing fluids from multiple formations | Sep 19, 2001 | Issued |
Array
(
[id] => 1362533
[patent_doc_number] => 06558089
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-05-06
[patent_title] => 'Extender assembly for core drill'
[patent_app_type] => B2
[patent_app_number] => 09/952550
[patent_app_country] => US
[patent_app_date] => 2001-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 4464
[patent_no_of_claims] => 20
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/558/06558089.pdf
[firstpage_image] =>[orig_patent_app_number] => 09952550
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/952550 | Extender assembly for core drill | Sep 13, 2001 | Issued |
Array
(
[id] => 5870294
[patent_doc_number] => 20020046885
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-04-25
[patent_title] => 'Rock drill'
[patent_app_type] => new
[patent_app_number] => 09/942380
[patent_app_country] => US
[patent_app_date] => 2001-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1157
[patent_no_of_claims] => 7
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0046/20020046885.pdf
[firstpage_image] =>[orig_patent_app_number] => 09942380
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/942380 | Rock drill | Aug 28, 2001 | Abandoned |
Array
(
[id] => 1297759
[patent_doc_number] => 06619756
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-09-16
[patent_title] => 'Chisel holder changing system'
[patent_app_type] => B1
[patent_app_number] => 09/914419
[patent_app_country] => US
[patent_app_date] => 2001-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 2450
[patent_no_of_claims] => 18
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/619/06619756.pdf
[firstpage_image] =>[orig_patent_app_number] => 09914419
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/914419 | Chisel holder changing system | Aug 26, 2001 | Issued |
Array
(
[id] => 1104678
[patent_doc_number] => 06808020
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-10-26
[patent_title] => 'Debris-free valve apparatus and method of use'
[patent_app_type] => B2
[patent_app_number] => 09/929499
[patent_app_country] => US
[patent_app_date] => 2001-08-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[pdf_file] => patents/06/808/06808020.pdf
[firstpage_image] =>[orig_patent_app_number] => 09929499
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/929499 | Debris-free valve apparatus and method of use | Aug 13, 2001 | Issued |
Array
(
[id] => 1327906
[patent_doc_number] => 06588508
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-07-08
[patent_title] => 'Method and apparatus to reduce trapped pressure in a downhole tool'
[patent_app_type] => B2
[patent_app_number] => 09/920430
[patent_app_country] => US
[patent_app_date] => 2001-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/06/588/06588508.pdf
[firstpage_image] =>[orig_patent_app_number] => 09920430
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/920430 | Method and apparatus to reduce trapped pressure in a downhole tool | Jul 31, 2001 | Issued |
Array
(
[id] => 6713362
[patent_doc_number] => 20030024709
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-02-06
[patent_title] => 'Well tubing rotator and hanger system'
[patent_app_type] => new
[patent_app_number] => 09/917670
[patent_app_country] => US
[patent_app_date] => 2001-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => publications/A1/0024/20030024709.pdf
[firstpage_image] =>[orig_patent_app_number] => 09917670
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/917670 | Well tubing rotator and hanger system | Jul 30, 2001 | Abandoned |
Array
(
[id] => 1530952
[patent_doc_number] => 06488089
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-12-03
[patent_title] => 'Methods of plugging wells'
[patent_app_type] => B1
[patent_app_number] => 09/918997
[patent_app_country] => US
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[pdf_file] => patents/06/488/06488089.pdf
[firstpage_image] =>[orig_patent_app_number] => 09918997
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/918997 | Methods of plugging wells | Jul 30, 2001 | Issued |
Array
(
[id] => 1345711
[patent_doc_number] => 06568470
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-05-27
[patent_title] => 'Downhole actuation system utilizing electroactive fluids'
[patent_app_type] => B2
[patent_app_number] => 09/916617
[patent_app_country] => US
[patent_app_date] => 2001-07-27
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[pdf_file] => patents/06/568/06568470.pdf
[firstpage_image] =>[orig_patent_app_number] => 09916617
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/916617 | Downhole actuation system utilizing electroactive fluids | Jul 26, 2001 | Issued |
Array
(
[id] => 6455780
[patent_doc_number] => 20020020560
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-02-21
[patent_title] => 'Wireline system for multiple direct push tool usage'
[patent_app_type] => new
[patent_app_number] => 09/916226
[patent_app_country] => US
[patent_app_date] => 2001-07-27
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0020/20020020560.pdf
[firstpage_image] =>[orig_patent_app_number] => 09916226
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/916226 | Wireline system for multiple direct push tool usage | Jul 26, 2001 | Issued |
Array
(
[id] => 1321218
[patent_doc_number] => 06595303
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-07-22
[patent_title] => 'Rotary steerable drilling tool'
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[patent_app_number] => 09/907480
[patent_app_country] => US
[patent_app_date] => 2001-07-17
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[pdf_file] => patents/06/595/06595303.pdf
[firstpage_image] =>[orig_patent_app_number] => 09907480
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/907480 | Rotary steerable drilling tool | Jul 16, 2001 | Issued |
Array
(
[id] => 1276730
[patent_doc_number] => 06637521
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-10-28
[patent_title] => 'Earth borer'
[patent_app_type] => B2
[patent_app_number] => 09/902677
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[pdf_file] => patents/06/637/06637521.pdf
[firstpage_image] =>[orig_patent_app_number] => 09902677
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/902677 | Earth borer | Jul 10, 2001 | Issued |
Array
(
[id] => 6732901
[patent_doc_number] => 20030010536
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-16
[patent_title] => 'Hole digger'
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[pdf_file] => publications/A1/0010/20030010536.pdf
[firstpage_image] =>[orig_patent_app_number] => 09903737
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/903737 | Hole digger | Jul 10, 2001 | Abandoned |