
Weilun Lo
Supervisory Patent Examiner (ID: 18821, Phone: (571)272-4847 , Office: P/2179 )
| Most Active Art Unit | 3402 |
| Art Unit(s) | 3748, 3747, 2179, 3402, 3761, 3723, 2899 |
| Total Applications | 2327 |
| Issued Applications | 2049 |
| Pending Applications | 47 |
| Abandoned Applications | 231 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 4300723
[patent_doc_number] => 06247434
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-06-19
[patent_title] => 'Multi-position variable camshaft timing system actuated by engine oil'
[patent_app_type] => 1
[patent_app_number] => 9/473804
[patent_app_country] => US
[patent_app_date] => 1999-12-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 11
[patent_no_of_words] => 4829
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 198
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/247/06247434.pdf
[firstpage_image] =>[orig_patent_app_number] => 473804
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/473804 | Multi-position variable camshaft timing system actuated by engine oil | Dec 27, 1999 | Issued |
Array
(
[id] => 4271990
[patent_doc_number] => 06182624
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-02-06
[patent_title] => 'Hydraulic control valve mounting structure in an engine'
[patent_app_type] => 1
[patent_app_number] => 9/473885
[patent_app_country] => US
[patent_app_date] => 1999-12-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 10
[patent_no_of_words] => 4573
[patent_no_of_claims] => 4
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[patent_words_short_claim] => 139
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/182/06182624.pdf
[firstpage_image] =>[orig_patent_app_number] => 473885
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/473885 | Hydraulic control valve mounting structure in an engine | Dec 27, 1999 | Issued |
Array
(
[id] => 4272003
[patent_doc_number] => 06182625
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-02-06
[patent_title] => 'Oil-passage structure of internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 9/473889
[patent_app_country] => US
[patent_app_date] => 1999-12-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 12
[patent_no_of_words] => 3662
[patent_no_of_claims] => 11
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/182/06182625.pdf
[firstpage_image] =>[orig_patent_app_number] => 473889
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/473889 | Oil-passage structure of internal combustion engine | Dec 27, 1999 | Issued |
Array
(
[id] => 4399987
[patent_doc_number] => 06192844
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-02-27
[patent_title] => 'Device for varying the control times of gas-exchange valves of an internal combustion engine in particular a camshaft adjusting device with an impeller'
[patent_app_type] => 1
[patent_app_number] => 9/472469
[patent_app_country] => US
[patent_app_date] => 1999-12-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 7
[patent_no_of_words] => 4619
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 574
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/192/06192844.pdf
[firstpage_image] =>[orig_patent_app_number] => 472469
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/472469 | Device for varying the control times of gas-exchange valves of an internal combustion engine in particular a camshaft adjusting device with an impeller | Dec 26, 1999 | Issued |
Array
(
[id] => 4280075
[patent_doc_number] => 06250266
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-06-26
[patent_title] => 'Variable valve timing mechanism for engine'
[patent_app_type] => 1
[patent_app_number] => 9/471887
[patent_app_country] => US
[patent_app_date] => 1999-12-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 10
[patent_no_of_words] => 3885
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/250/06250266.pdf
[firstpage_image] =>[orig_patent_app_number] => 471887
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/471887 | Variable valve timing mechanism for engine | Dec 22, 1999 | Issued |
Array
(
[id] => 4235838
[patent_doc_number] => 06202611
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-03-20
[patent_title] => 'Camshaft drive device for an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 9/471899
[patent_app_country] => US
[patent_app_date] => 1999-12-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 5731
[patent_no_of_claims] => 13
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[patent_words_short_claim] => 354
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/202/06202611.pdf
[firstpage_image] =>[orig_patent_app_number] => 471899
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/471899 | Camshaft drive device for an internal combustion engine | Dec 22, 1999 | Issued |
Array
(
[id] => 4279909
[patent_doc_number] => 06186102
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-02-13
[patent_title] => 'Valve operating system for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 9/468916
[patent_app_country] => US
[patent_app_date] => 1999-12-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 12
[patent_no_of_words] => 9779
[patent_no_of_claims] => 6
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[patent_words_short_claim] => 171
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/186/06186102.pdf
[firstpage_image] =>[orig_patent_app_number] => 468916
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/468916 | Valve operating system for internal combustion engine | Dec 21, 1999 | Issued |
Array
(
[id] => 4399998
[patent_doc_number] => 06192845
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-02-27
[patent_title] => 'Hydraulic lash adjuster'
[patent_app_type] => 1
[patent_app_number] => 9/470713
[patent_app_country] => US
[patent_app_date] => 1999-12-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3069
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 268
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/192/06192845.pdf
[firstpage_image] =>[orig_patent_app_number] => 470713
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/470713 | Hydraulic lash adjuster | Dec 21, 1999 | Issued |
Array
(
[id] => 6345277
[patent_doc_number] => 20020056427
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-05-16
[patent_title] => 'CAM TIMING SYSTEM'
[patent_app_type] => new
[patent_app_number] => 09/468172
[patent_app_country] => US
[patent_app_date] => 1999-12-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0056/20020056427.pdf
[firstpage_image] =>[orig_patent_app_number] => 09468172
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/468172 | CAM TIMING SYSTEM | Dec 20, 1999 | Abandoned |
Array
(
[id] => 4399972
[patent_doc_number] => 06192843
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-02-27
[patent_title] => 'Angular adjustment device'
[patent_app_type] => 1
[patent_app_number] => 9/446387
[patent_app_country] => US
[patent_app_date] => 1999-12-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3130
[patent_no_of_claims] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/192/06192843.pdf
[firstpage_image] =>[orig_patent_app_number] => 446387
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/446387 | Angular adjustment device | Dec 20, 1999 | Issued |
Array
(
[id] => 1516636
[patent_doc_number] => 06412460
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-07-02
[patent_title] => 'Valve operating system in internal combustion engine'
[patent_app_type] => B1
[patent_app_number] => 09/466831
[patent_app_country] => US
[patent_app_date] => 1999-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
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[pdf_file] => patents/06/412/06412460.pdf
[firstpage_image] =>[orig_patent_app_number] => 09466831
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/466831 | Valve operating system in internal combustion engine | Dec 19, 1999 | Issued |
Array
(
[id] => 4386635
[patent_doc_number] => 06227156
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-05-08
[patent_title] => 'Rocker arm for a valve train of an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 9/464891
[patent_app_country] => US
[patent_app_date] => 1999-12-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/227/06227156.pdf
[firstpage_image] =>[orig_patent_app_number] => 464891
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/464891 | Rocker arm for a valve train of an internal combustion engine | Dec 15, 1999 | Issued |
Array
(
[id] => 4236897
[patent_doc_number] => 06257185
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-07-10
[patent_title] => 'Switchable cam follower'
[patent_app_type] => 1
[patent_app_number] => 9/460748
[patent_app_country] => US
[patent_app_date] => 1999-12-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[pdf_file] => patents/06/257/06257185.pdf
[firstpage_image] =>[orig_patent_app_number] => 460748
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/460748 | Switchable cam follower | Dec 13, 1999 | Issued |
Array
(
[id] => 4271490
[patent_doc_number] => 06196176
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[patent_kind] => NA
[patent_issue_date] => 2001-03-06
[patent_title] => 'Switchable cam follower'
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/196/06196176.pdf
[firstpage_image] =>[orig_patent_app_number] => 460749
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/460749 | Switchable cam follower | Dec 13, 1999 | Issued |
Array
(
[id] => 4160313
[patent_doc_number] => 06148779
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-11-21
[patent_title] => 'Internal combustion engine having hybrid cylinder valve actuation system'
[patent_app_type] => 1
[patent_app_number] => 9/459497
[patent_app_country] => US
[patent_app_date] => 1999-12-13
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[pdf_file] => patents/06/148/06148779.pdf
[firstpage_image] =>[orig_patent_app_number] => 459497
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/459497 | Internal combustion engine having hybrid cylinder valve actuation system | Dec 12, 1999 | Issued |
Array
(
[id] => 4363172
[patent_doc_number] => 06293239
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-09-25
[patent_title] => 'Valve gear for gas exchange valves of internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 9/402004
[patent_app_country] => US
[patent_app_date] => 1999-12-13
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[pdf_file] => patents/06/293/06293239.pdf
[firstpage_image] =>[orig_patent_app_number] => 402004
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/402004 | Valve gear for gas exchange valves of internal combustion engines | Dec 12, 1999 | Issued |
Array
(
[id] => 4323852
[patent_doc_number] => 06213068
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-04-10
[patent_title] => 'Method of checking the operability of the variable valve control in an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 9/457871
[patent_app_country] => US
[patent_app_date] => 1999-12-10
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/213/06213068.pdf
[firstpage_image] =>[orig_patent_app_number] => 457871
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/457871 | Method of checking the operability of the variable valve control in an internal combustion engine | Dec 9, 1999 | Issued |
| 09/459396 | VALVE SYSTEM FOR A VALVE-CONTROLLED COMBUSTION ENGINE | Dec 2, 1999 | Abandoned |
Array
(
[id] => 4271975
[patent_doc_number] => 06182623
[patent_country] => US
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[patent_issue_date] => 2001-02-06
[patent_title] => 'Variable valve control device'
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[firstpage_image] =>[orig_patent_app_number] => 453708
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/453708 | Variable valve control device | Dec 2, 1999 | Issued |
Array
(
[id] => 4306194
[patent_doc_number] => 06328009
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-12-11
[patent_title] => 'Valve lifter apparatus'
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[patent_app_number] => 9/454464
[patent_app_country] => US
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[pdf_file] => patents/06/328/06328009.pdf
[firstpage_image] =>[orig_patent_app_number] => 454464
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/454464 | Valve lifter apparatus | Dec 2, 1999 | Issued |