
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] => 2824781
[patent_doc_number] => 05159904
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-03
[patent_title] => 'Device for adjusting the angular setting of a driven shaft relative to a driving shaft'
[patent_app_type] => 1
[patent_app_number] => 7/458742
[patent_app_country] => US
[patent_app_date] => 1989-12-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 12
[patent_no_of_words] => 4579
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 29
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/159/05159904.pdf
[firstpage_image] =>[orig_patent_app_number] => 458742
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/458742 | Device for adjusting the angular setting of a driven shaft relative to a driving shaft | Dec 10, 1989 | Issued |
Array
(
[id] => 2688770
[patent_doc_number] => 04991549
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-02-12
[patent_title] => 'Camshaft lubricating system for engine'
[patent_app_type] => 1
[patent_app_number] => 7/447632
[patent_app_country] => US
[patent_app_date] => 1989-12-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2141
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/991/04991549.pdf
[firstpage_image] =>[orig_patent_app_number] => 447632
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/447632 | Camshaft lubricating system for engine | Dec 7, 1989 | Issued |
Array
(
[id] => 2623639
[patent_doc_number] => 04938179
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-07-03
[patent_title] => 'Valve control system for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/446101
[patent_app_country] => US
[patent_app_date] => 1989-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2728
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 226
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/938/04938179.pdf
[firstpage_image] =>[orig_patent_app_number] => 446101
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/446101 | Valve control system for internal combustion engine | Dec 4, 1989 | Issued |
Array
(
[id] => 2727055
[patent_doc_number] => 05027763
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-07-02
[patent_title] => 'One-piece push rod having enlarged spherical seat'
[patent_app_type] => 1
[patent_app_number] => 7/446302
[patent_app_country] => US
[patent_app_date] => 1989-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 14
[patent_no_of_words] => 3598
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 133
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/027/05027763.pdf
[firstpage_image] =>[orig_patent_app_number] => 446302
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/446302 | One-piece push rod having enlarged spherical seat | Dec 4, 1989 | Issued |
Array
(
[id] => 2651514
[patent_doc_number] => 05033423
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-07-23
[patent_title] => 'Internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/446195
[patent_app_country] => US
[patent_app_date] => 1989-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4447
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 354
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/033/05033423.pdf
[firstpage_image] =>[orig_patent_app_number] => 446195
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/446195 | Internal combustion engine | Dec 4, 1989 | Issued |
Array
(
[id] => 2617109
[patent_doc_number] => 04957079
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-09-18
[patent_title] => 'Camshaft structure for double overhead camshaft engine'
[patent_app_type] => 1
[patent_app_number] => 7/442794
[patent_app_country] => US
[patent_app_date] => 1989-11-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 4101
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 267
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/957/04957079.pdf
[firstpage_image] =>[orig_patent_app_number] => 442794
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/442794 | Camshaft structure for double overhead camshaft engine | Nov 28, 1989 | Issued |
Array
(
[id] => 2617018
[patent_doc_number] => 04957074
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-09-18
[patent_title] => 'Closed loop electric valve control for I. C. engine'
[patent_app_type] => 1
[patent_app_number] => 7/441790
[patent_app_country] => US
[patent_app_date] => 1989-11-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1477
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 315
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/957/04957074.pdf
[firstpage_image] =>[orig_patent_app_number] => 441790
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/441790 | Closed loop electric valve control for I. C. engine | Nov 26, 1989 | Issued |
Array
(
[id] => 2603304
[patent_doc_number] => 04942851
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-07-24
[patent_title] => 'Electromagnetic valve control system'
[patent_app_type] => 1
[patent_app_number] => 7/435942
[patent_app_country] => US
[patent_app_date] => 1989-11-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3060
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 161
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/942/04942851.pdf
[firstpage_image] =>[orig_patent_app_number] => 435942
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/435942 | Electromagnetic valve control system | Nov 12, 1989 | Issued |
Array
(
[id] => 2581430
[patent_doc_number] => 04940048
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-07-10
[patent_title] => 'Boat-type rocker arm with flanges'
[patent_app_type] => 1
[patent_app_number] => 7/434857
[patent_app_country] => US
[patent_app_date] => 1989-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 1411
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 110
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/940/04940048.pdf
[firstpage_image] =>[orig_patent_app_number] => 434857
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/434857 | Boat-type rocker arm with flanges | Nov 8, 1989 | Issued |
Array
(
[id] => 2548050
[patent_doc_number] => 04944264
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-07-31
[patent_title] => 'Chain casing for engine'
[patent_app_type] => 1
[patent_app_number] => 7/433894
[patent_app_country] => US
[patent_app_date] => 1989-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2919
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 168
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/944/04944264.pdf
[firstpage_image] =>[orig_patent_app_number] => 433894
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/433894 | Chain casing for engine | Nov 8, 1989 | Issued |
Array
(
[id] => 2697456
[patent_doc_number] => 05009205
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-04-23
[patent_title] => 'Crankshaft supporting structure for an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/432998
[patent_app_country] => US
[patent_app_date] => 1989-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 18
[patent_no_of_words] => 5075
[patent_no_of_claims] => 20
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/009/05009205.pdf
[firstpage_image] =>[orig_patent_app_number] => 432998
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/432998 | Crankshaft supporting structure for an internal combustion engine | Nov 7, 1989 | Issued |
Array
(
[id] => 2717098
[patent_doc_number] => 05050543
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-09-24
[patent_title] => 'Valve control system for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/429477
[patent_app_country] => US
[patent_app_date] => 1989-10-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2380
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[pdf_file] => patents/05/050/05050543.pdf
[firstpage_image] =>[orig_patent_app_number] => 429477
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/429477 | Valve control system for internal combustion engine | Oct 30, 1989 | Issued |
| 07/429602 | VALVE CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE | Oct 30, 1989 | Abandoned |
Array
(
[id] => 2742281
[patent_doc_number] => 04993370
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-02-19
[patent_title] => 'Valve driving mechanism for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/427471
[patent_app_country] => US
[patent_app_date] => 1989-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[pdf_file] => patents/04/993/04993370.pdf
[firstpage_image] =>[orig_patent_app_number] => 427471
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/427471 | Valve driving mechanism for internal combustion engine | Oct 26, 1989 | Issued |
Array
(
[id] => 2544947
[patent_doc_number] => 04941438
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-07-17
[patent_title] => 'Hydraulic valve-lash adjuster'
[patent_app_type] => 1
[patent_app_number] => 7/425802
[patent_app_country] => US
[patent_app_date] => 1989-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 2505
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/941/04941438.pdf
[firstpage_image] =>[orig_patent_app_number] => 425802
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/425802 | Hydraulic valve-lash adjuster | Oct 22, 1989 | Issued |
Array
(
[id] => 2603379
[patent_doc_number] => 04942855
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-07-24
[patent_title] => 'Lubricating system of a valve mechanism for a double overhead camshaft engine'
[patent_app_type] => 1
[patent_app_number] => 7/425801
[patent_app_country] => US
[patent_app_date] => 1989-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/04/942/04942855.pdf
[firstpage_image] =>[orig_patent_app_number] => 425801
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/425801 | Lubricating system of a valve mechanism for a double overhead camshaft engine | Oct 22, 1989 | Issued |
Array
(
[id] => 2575225
[patent_doc_number] => 04958602
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-09-25
[patent_title] => 'Internal combustion engine'
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[patent_app_number] => 7/424821
[patent_app_country] => US
[patent_app_date] => 1989-10-20
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/958/04958602.pdf
[firstpage_image] =>[orig_patent_app_number] => 424821
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/424821 | Internal combustion engine | Oct 19, 1989 | Issued |
Array
(
[id] => 2654009
[patent_doc_number] => 04998514
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-03-12
[patent_title] => 'Self-operating lash-adjusting tappet assembly'
[patent_app_type] => 1
[patent_app_number] => 7/424023
[patent_app_country] => US
[patent_app_date] => 1989-10-19
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/998/04998514.pdf
[firstpage_image] =>[orig_patent_app_number] => 424023
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/424023 | Self-operating lash-adjusting tappet assembly | Oct 18, 1989 | Issued |
Array
(
[id] => 2615920
[patent_doc_number] => 04976228
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-12-11
[patent_title] => 'Valve control system for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/420953
[patent_app_country] => US
[patent_app_date] => 1989-10-13
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/976/04976228.pdf
[firstpage_image] =>[orig_patent_app_number] => 420953
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/420953 | Valve control system for internal combustion engine | Oct 12, 1989 | Issued |
Array
(
[id] => 2582796
[patent_doc_number] => 04930465
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-06-05
[patent_title] => 'Solenoid control of engine valves with accumulator pressure recovery'
[patent_app_type] => 1
[patent_app_number] => 7/416339
[patent_app_country] => US
[patent_app_date] => 1989-10-03
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/930/04930465.pdf
[firstpage_image] =>[orig_patent_app_number] => 416339
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/416339 | Solenoid control of engine valves with accumulator pressure recovery | Oct 2, 1989 | Issued |