
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] => 2783908
[patent_doc_number] => 05113812
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-19
[patent_title] => 'Valve control apparatus with magnet valve for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/663928
[patent_app_country] => US
[patent_app_date] => 1991-03-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 2819
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 199
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/113/05113812.pdf
[firstpage_image] =>[orig_patent_app_number] => 663928
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/663928 | Valve control apparatus with magnet valve for internal combustion engines | Mar 25, 1991 | Issued |
| 07/674107 | VARIABLE INTAKE VALVE | Mar 24, 1991 | Abandoned |
Array
(
[id] => 2797357
[patent_doc_number] => 05080052
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-01-14
[patent_title] => 'Variable valve timing system in an engine having a rotating cam-shaft'
[patent_app_type] => 1
[patent_app_number] => 7/674154
[patent_app_country] => US
[patent_app_date] => 1991-03-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 2459
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 169
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/080/05080052.pdf
[firstpage_image] =>[orig_patent_app_number] => 674154
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/674154 | Variable valve timing system in an engine having a rotating cam-shaft | Mar 24, 1991 | Issued |
Array
(
[id] => 2853406
[patent_doc_number] => 05090365
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-02-25
[patent_title] => 'Variable valve timing system in an engine having a rotating cam-shaft'
[patent_app_type] => 1
[patent_app_number] => 7/669938
[patent_app_country] => US
[patent_app_date] => 1991-03-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 2552
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 146
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/090/05090365.pdf
[firstpage_image] =>[orig_patent_app_number] => 669938
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/669938 | Variable valve timing system in an engine having a rotating cam-shaft | Mar 14, 1991 | Issued |
Array
(
[id] => 2715231
[patent_doc_number] => 05076222
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-12-31
[patent_title] => 'Valve control system for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/668335
[patent_app_country] => US
[patent_app_date] => 1991-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 2388
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 314
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/076/05076222.pdf
[firstpage_image] =>[orig_patent_app_number] => 668335
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/668335 | Valve control system for internal combustion engine | Mar 13, 1991 | Issued |
Array
(
[id] => 2834537
[patent_doc_number] => 05111782
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-12
[patent_title] => 'Reciprocating engine with a gear drive'
[patent_app_type] => 1
[patent_app_number] => 7/669011
[patent_app_country] => US
[patent_app_date] => 1991-03-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 1244
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 81
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/111/05111782.pdf
[firstpage_image] =>[orig_patent_app_number] => 669011
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/669011 | Reciprocating engine with a gear drive | Mar 12, 1991 | Issued |
Array
(
[id] => 2834514
[patent_doc_number] => 05111781
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-12
[patent_title] => 'Valve actuating mechanism in four-stroke cycle engine'
[patent_app_type] => 1
[patent_app_number] => 7/667981
[patent_app_country] => US
[patent_app_date] => 1991-03-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 13
[patent_no_of_words] => 6648
[patent_no_of_claims] => 25
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 179
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/111/05111781.pdf
[firstpage_image] =>[orig_patent_app_number] => 667981
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/667981 | Valve actuating mechanism in four-stroke cycle engine | Mar 11, 1991 | Issued |
Array
(
[id] => 2859780
[patent_doc_number] => 05117786
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-02
[patent_title] => 'Chain tensioner for an internal-combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/666674
[patent_app_country] => US
[patent_app_date] => 1991-03-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1076
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 160
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/117/05117786.pdf
[firstpage_image] =>[orig_patent_app_number] => 666674
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/666674 | Chain tensioner for an internal-combustion engine | Mar 3, 1991 | Issued |
Array
(
[id] => 2827849
[patent_doc_number] => 05109813
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-05
[patent_title] => 'Chain drive tensioning and adjusting arrangement'
[patent_app_type] => 1
[patent_app_number] => 7/663603
[patent_app_country] => US
[patent_app_date] => 1991-03-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 10
[patent_no_of_words] => 2054
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 121
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/109/05109813.pdf
[firstpage_image] =>[orig_patent_app_number] => 663603
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/663603 | Chain drive tensioning and adjusting arrangement | Mar 3, 1991 | Issued |
Array
(
[id] => 2840622
[patent_doc_number] => 05148783
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-09-22
[patent_title] => 'Valve actuating mechanism in four-stroke cycle engine'
[patent_app_type] => 1
[patent_app_number] => 7/664273
[patent_app_country] => US
[patent_app_date] => 1991-03-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 22
[patent_no_of_words] => 10493
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 236
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/148/05148783.pdf
[firstpage_image] =>[orig_patent_app_number] => 664273
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/664273 | Valve actuating mechanism in four-stroke cycle engine | Mar 3, 1991 | Issued |
Array
(
[id] => 2808217
[patent_doc_number] => 05094197
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-10
[patent_title] => 'Timing system, particularly for an internal combustion engine with a number of valves per cyclinder'
[patent_app_type] => 1
[patent_app_number] => 7/663015
[patent_app_country] => US
[patent_app_date] => 1991-03-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1731
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 183
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/094/05094197.pdf
[firstpage_image] =>[orig_patent_app_number] => 663015
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/663015 | Timing system, particularly for an internal combustion engine with a number of valves per cyclinder | Feb 28, 1991 | Issued |
Array
(
[id] => 2797392
[patent_doc_number] => 05080054
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-01-14
[patent_title] => 'Rocker arm arrangement for variable timing valve train'
[patent_app_type] => 1
[patent_app_number] => 7/662135
[patent_app_country] => US
[patent_app_date] => 1991-02-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 4197
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 184
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/080/05080054.pdf
[firstpage_image] =>[orig_patent_app_number] => 662135
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/662135 | Rocker arm arrangement for variable timing valve train | Feb 27, 1991 | Issued |
Array
(
[id] => 2898086
[patent_doc_number] => 05178106
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-12
[patent_title] => 'Valve timing control apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/661695
[patent_app_country] => US
[patent_app_date] => 1991-02-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 4368
[patent_no_of_claims] => 7
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[patent_words_short_claim] => 367
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/178/05178106.pdf
[firstpage_image] =>[orig_patent_app_number] => 661695
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/661695 | Valve timing control apparatus | Feb 26, 1991 | Issued |
Array
(
[id] => 2847774
[patent_doc_number] => 05095867
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-17
[patent_title] => 'Positioning device for a gasket'
[patent_app_type] => 1
[patent_app_number] => 7/658029
[patent_app_country] => US
[patent_app_date] => 1991-02-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 6
[patent_no_of_words] => 2136
[patent_no_of_claims] => 6
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[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/095/05095867.pdf
[firstpage_image] =>[orig_patent_app_number] => 658029
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/658029 | Positioning device for a gasket | Feb 19, 1991 | Issued |
Array
(
[id] => 2783927
[patent_doc_number] => 05113813
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-19
[patent_title] => 'Variable timing system, particularly for an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/655503
[patent_app_country] => US
[patent_app_date] => 1991-02-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2340
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 187
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/113/05113813.pdf
[firstpage_image] =>[orig_patent_app_number] => 655503
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/655503 | Variable timing system, particularly for an internal combustion engine | Feb 14, 1991 | Issued |
Array
(
[id] => 2860462
[patent_doc_number] => 05107803
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-28
[patent_title] => 'Split-action rocker arm'
[patent_app_type] => 1
[patent_app_number] => 7/656422
[patent_app_country] => US
[patent_app_date] => 1991-02-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2747
[patent_no_of_claims] => 19
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/107/05107803.pdf
[firstpage_image] =>[orig_patent_app_number] => 656422
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/656422 | Split-action rocker arm | Feb 14, 1991 | Issued |
Array
(
[id] => 2847661
[patent_doc_number] => 05095861
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-17
[patent_title] => 'Rocker arm bridge assembly utilizing shaft mount'
[patent_app_type] => 1
[patent_app_number] => 7/654200
[patent_app_country] => US
[patent_app_date] => 1991-02-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2559
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 145
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/095/05095861.pdf
[firstpage_image] =>[orig_patent_app_number] => 654200
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/654200 | Rocker arm bridge assembly utilizing shaft mount | Feb 11, 1991 | Issued |
| 07/649969 | ROLLER TAPPET | Feb 3, 1991 | Abandoned |
Array
(
[id] => 2832722
[patent_doc_number] => 05088458
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-02-18
[patent_title] => 'Lash adjusted for engine valve actuator assembly'
[patent_app_type] => 1
[patent_app_number] => 7/649643
[patent_app_country] => US
[patent_app_date] => 1991-02-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 1348
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 216
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/088/05088458.pdf
[firstpage_image] =>[orig_patent_app_number] => 649643
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/649643 | Lash adjusted for engine valve actuator assembly | Jan 31, 1991 | Issued |
Array
(
[id] => 2832687
[patent_doc_number] => 05088456
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-02-18
[patent_title] => 'Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position'
[patent_app_type] => 1
[patent_app_number] => 7/647290
[patent_app_country] => US
[patent_app_date] => 1991-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/088/05088456.pdf
[firstpage_image] =>[orig_patent_app_number] => 647290
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/647290 | Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position | Jan 28, 1991 | Issued |