![](/images/general/no_picture/200_user.png)
Quan Zhen Wang
Supervisory Patent Examiner (ID: 3600, Phone: (571)272-3114 , Office: P/2684 )
Most Active Art Unit | 2613 |
Art Unit(s) | 2629, 2684, 2613, 2693, 2685, 2633 |
Total Applications | 446 |
Issued Applications | 217 |
Pending Applications | 39 |
Abandoned Applications | 190 |
Applications
Application number | Title of the application | Filing Date | Status |
---|---|---|---|
Array
(
[id] => 1350316
[patent_doc_number] => 06568889
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-05-27
[patent_title] => 'Collet chuck'
[patent_app_type] => B2
[patent_app_number] => 09/990240
[patent_app_country] => US
[patent_app_date] => 2001-11-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 11
[patent_no_of_words] => 1737
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/568/06568889.pdf
[firstpage_image] =>[orig_patent_app_number] => 09990240
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/990240 | Collet chuck | Nov 20, 2001 | Issued |
09/979172 | Clamping chuck for clamping tools by shrink-fit | Nov 19, 2001 | Abandoned |
Array
(
[id] => 1281352
[patent_doc_number] => 06634650
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-10-21
[patent_title] => 'Rotary vacuum-chuck with water-assisted labyrinth seal'
[patent_app_type] => B2
[patent_app_number] => 09/991097
[patent_app_country] => US
[patent_app_date] => 2001-11-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1509
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 86
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/634/06634650.pdf
[firstpage_image] =>[orig_patent_app_number] => 09991097
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/991097 | Rotary vacuum-chuck with water-assisted labyrinth seal | Nov 15, 2001 | Issued |
Array
(
[id] => 1345739
[patent_doc_number] => 06572119
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-06-03
[patent_title] => 'Axial chuck'
[patent_app_type] => B2
[patent_app_number] => 09/987705
[patent_app_country] => US
[patent_app_date] => 2001-11-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 9
[patent_no_of_words] => 6929
[patent_no_of_claims] => 32
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 185
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/572/06572119.pdf
[firstpage_image] =>[orig_patent_app_number] => 09987705
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/987705 | Axial chuck | Nov 14, 2001 | Issued |
Array
(
[id] => 5904774
[patent_doc_number] => 20020141842
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-10-03
[patent_title] => 'Twist drill'
[patent_app_type] => new
[patent_app_number] => 09/990757
[patent_app_country] => US
[patent_app_date] => 2001-11-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 2688
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 55
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0141/20020141842.pdf
[firstpage_image] =>[orig_patent_app_number] => 09990757
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/990757 | Twist drill | Nov 13, 2001 | Abandoned |
Array
(
[id] => 1362386
[patent_doc_number] => 06554292
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-04-29
[patent_title] => 'Drill chuck for smooth- and hex-shank bits'
[patent_app_type] => B1
[patent_app_number] => 10/010326
[patent_app_country] => US
[patent_app_date] => 2001-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 8
[patent_no_of_words] => 2434
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 294
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/554/06554292.pdf
[firstpage_image] =>[orig_patent_app_number] => 10010326
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/010326 | Drill chuck for smooth- and hex-shank bits | Nov 7, 2001 | Issued |
Array
(
[id] => 1281356
[patent_doc_number] => 06634651
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-10-21
[patent_title] => 'Compensated tool holder for tapping spindles'
[patent_app_type] => B2
[patent_app_number] => 10/005681
[patent_app_country] => US
[patent_app_date] => 2001-11-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 9
[patent_no_of_words] => 1725
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 315
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/634/06634651.pdf
[firstpage_image] =>[orig_patent_app_number] => 10005681
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/005681 | Compensated tool holder for tapping spindles | Nov 6, 2001 | Issued |
Array
(
[id] => 1299917
[patent_doc_number] => 06616147
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-09-09
[patent_title] => 'Chuck with locking sleeve'
[patent_app_type] => B2
[patent_app_number] => 10/011917
[patent_app_country] => US
[patent_app_date] => 2001-11-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2609
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 350
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/616/06616147.pdf
[firstpage_image] =>[orig_patent_app_number] => 10011917
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/011917 | Chuck with locking sleeve | Nov 4, 2001 | Issued |
Array
(
[id] => 1404307
[patent_doc_number] => 06508475
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-01-21
[patent_title] => 'Holding apparatus with improved retention ability and method of holding a tool'
[patent_app_type] => B1
[patent_app_number] => 10/000682
[patent_app_country] => US
[patent_app_date] => 2001-10-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 16
[patent_no_of_words] => 4029
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 152
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/508/06508475.pdf
[firstpage_image] =>[orig_patent_app_number] => 10000682
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/000682 | Holding apparatus with improved retention ability and method of holding a tool | Oct 30, 2001 | Issued |
Array
(
[id] => 6869330
[patent_doc_number] => 20030082019
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-05-01
[patent_title] => 'Presser foot assembly'
[patent_app_type] => new
[patent_app_number] => 10/001529
[patent_app_country] => US
[patent_app_date] => 2001-10-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 1887
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0082/20030082019.pdf
[firstpage_image] =>[orig_patent_app_number] => 10001529
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/001529 | Presser foot assembly | Oct 24, 2001 | Abandoned |
Array
(
[id] => 1260841
[patent_doc_number] => 06659474
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-12-09
[patent_title] => 'Chuck device'
[patent_app_type] => B2
[patent_app_number] => 09/983499
[patent_app_country] => US
[patent_app_date] => 2001-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 14
[patent_no_of_words] => 6596
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 21
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/659/06659474.pdf
[firstpage_image] =>[orig_patent_app_number] => 09983499
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/983499 | Chuck device | Oct 22, 2001 | Issued |
Array
(
[id] => 5826039
[patent_doc_number] => 20020067007
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-06-06
[patent_title] => 'Opening and closing chuck'
[patent_app_type] => new
[patent_app_number] => 09/983163
[patent_app_country] => US
[patent_app_date] => 2001-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3722
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0067/20020067007.pdf
[firstpage_image] =>[orig_patent_app_number] => 09983163
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/983163 | Opening and closing chuck | Oct 22, 2001 | Issued |
Array
(
[id] => 1281361
[patent_doc_number] => 06634652
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-10-21
[patent_title] => 'Non-galling chuck'
[patent_app_type] => B1
[patent_app_number] => 09/977839
[patent_app_country] => US
[patent_app_date] => 2001-10-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 2554
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 211
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/634/06634652.pdf
[firstpage_image] =>[orig_patent_app_number] => 09977839
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/977839 | Non-galling chuck | Oct 14, 2001 | Issued |
Array
(
[id] => 1362342
[patent_doc_number] => 06554289
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-04-29
[patent_title] => 'Anti-slip type electric drill chuck'
[patent_app_type] => B1
[patent_app_number] => 09/974527
[patent_app_country] => US
[patent_app_date] => 2001-10-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 12
[patent_no_of_words] => 2501
[patent_no_of_claims] => 17
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/554/06554289.pdf
[firstpage_image] =>[orig_patent_app_number] => 09974527
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/974527 | Anti-slip type electric drill chuck | Oct 10, 2001 | Issued |
Array
(
[id] => 6589067
[patent_doc_number] => 20020041797
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-04-11
[patent_title] => 'Drill gauge'
[patent_app_type] => new
[patent_app_number] => 09/970759
[patent_app_country] => US
[patent_app_date] => 2001-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0041/20020041797.pdf
[firstpage_image] =>[orig_patent_app_number] => 09970759
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/970759 | Drill gauge | Oct 3, 2001 | Abandoned |
Array
(
[id] => 1362354
[patent_doc_number] => 06554290
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-04-29
[patent_title] => 'Tool structure for clamping a tool head quickly'
[patent_app_type] => B2
[patent_app_number] => 09/968965
[patent_app_country] => US
[patent_app_date] => 2001-10-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/554/06554290.pdf
[firstpage_image] =>[orig_patent_app_number] => 09968965
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/968965 | Tool structure for clamping a tool head quickly | Oct 2, 2001 | Issued |
Array
(
[id] => 5813087
[patent_doc_number] => 20020038939
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-04-04
[patent_title] => 'Master and insert jaw system'
[patent_app_type] => new
[patent_app_number] => 09/966517
[patent_app_country] => US
[patent_app_date] => 2001-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0038/20020038939.pdf
[firstpage_image] =>[orig_patent_app_number] => 09966517
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/966517 | Master and insert jaw system | Sep 27, 2001 | Issued |
Array
(
[id] => 6673664
[patent_doc_number] => 20030059267
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-27
[patent_title] => 'Guides for centering screws and drill bits in countersink holes'
[patent_app_type] => new
[patent_app_number] => 09/963818
[patent_app_country] => US
[patent_app_date] => 2001-09-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_claims] => 20
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0059/20030059267.pdf
[firstpage_image] =>[orig_patent_app_number] => 09963818
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/963818 | Guides for centering screws and drill bits in countersink holes | Sep 25, 2001 | Issued |
Array
(
[id] => 1396443
[patent_doc_number] => 06510770
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-01-28
[patent_title] => 'Wood-turning lathe'
[patent_app_type] => B1
[patent_app_number] => 09/962880
[patent_app_country] => US
[patent_app_date] => 2001-09-25
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/510/06510770.pdf
[firstpage_image] =>[orig_patent_app_number] => 09962880
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/962880 | Wood-turning lathe | Sep 24, 2001 | Issued |
Array
(
[id] => 6334672
[patent_doc_number] => 20020033582
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-03-21
[patent_title] => 'Method and device for the dynamic lubrication of a power chuck'
[patent_app_type] => new
[patent_app_number] => 09/951075
[patent_app_country] => US
[patent_app_date] => 2001-09-12
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0033/20020033582.pdf
[firstpage_image] =>[orig_patent_app_number] => 09951075
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/951075 | Method and device for the dynamic lubrication of a power chuck | Sep 12, 2001 | Issued |