
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] => 2654027
[patent_doc_number] => 04998515
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-03-12
[patent_title] => 'Internal combustion engine timing chain cover'
[patent_app_type] => 1
[patent_app_number] => 7/511718
[patent_app_country] => US
[patent_app_date] => 1990-04-20
[patent_effective_date] => 0000-00-00
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[patent_figures_cnt] => 7
[patent_no_of_words] => 2894
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[pdf_file] => patents/04/998/04998515.pdf
[firstpage_image] =>[orig_patent_app_number] => 511718
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/511718 | Internal combustion engine timing chain cover | Apr 19, 1990 | Issued |
Array
(
[id] => 2651127
[patent_doc_number] => 05046461
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-09-10
[patent_title] => 'Valve control system for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/511051
[patent_app_country] => US
[patent_app_date] => 1990-04-19
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[firstpage_image] =>[orig_patent_app_number] => 511051
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/511051 | Valve control system for internal combustion engines | Apr 18, 1990 | Issued |
Array
(
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[patent_doc_number] => 05042436
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[patent_kind] => NA
[patent_issue_date] => 1991-08-27
[patent_title] => 'Valve control system for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/511081
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Array
(
[id] => 2615902
[patent_doc_number] => 04976227
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-12-11
[patent_title] => 'Internal combustion engine intake and exhaust valve control apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/509882
[patent_app_country] => US
[patent_app_date] => 1990-04-16
[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 509882
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/509882 | Internal combustion engine intake and exhaust valve control apparatus | Apr 15, 1990 | Issued |
Array
(
[id] => 2678021
[patent_doc_number] => 04995352
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-02-26
[patent_title] => 'Dynamic valve mechanism of internal combustion engine'
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[patent_app_number] => 7/509335
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Array
(
[id] => 2638549
[patent_doc_number] => 04971000
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-11-20
[patent_title] => 'Camshaft driving arrangement for double overhead camshaft engine'
[patent_app_type] => 1
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Array
(
[id] => 2678040
[patent_doc_number] => 04995353
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[patent_kind] => NA
[patent_issue_date] => 1991-02-26
[patent_title] => 'Valve train with lash/compliance compensation'
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[pdf_file] => patents/04/995/04995353.pdf
[firstpage_image] =>[orig_patent_app_number] => 508072
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/508072 | Valve train with lash/compliance compensation | Apr 10, 1990 | Issued |
Array
(
[id] => 2797409
[patent_doc_number] => 05080055
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-01-14
[patent_title] => 'Variable valve timing arrangement for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/506987
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/506987 | Variable valve timing arrangement for internal combustion engine | Apr 9, 1990 | Issued |
Array
(
[id] => 2643202
[patent_doc_number] => 04977867
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-12-18
[patent_title] => 'Self-adjusting variable duration hydraulic lifter'
[patent_app_type] => 1
[patent_app_number] => 7/502768
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[patent_app_date] => 1990-04-02
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/502768 | Self-adjusting variable duration hydraulic lifter | Apr 1, 1990 | Issued |
Array
(
[id] => 2714532
[patent_doc_number] => 05031582
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-07-16
[patent_title] => 'Internal combustion engine providing scavenging with combustion chamber volume control'
[patent_app_type] => 1
[patent_app_number] => 7/499904
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[patent_app_date] => 1990-03-27
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[pdf_file] => patents/05/031/05031582.pdf
[firstpage_image] =>[orig_patent_app_number] => 499904
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/499904 | Internal combustion engine providing scavenging with combustion chamber volume control | Mar 26, 1990 | Issued |
Array
(
[id] => 2731235
[patent_doc_number] => 05020487
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-06-04
[patent_title] => 'Internal combustion engine with load-responsive valve control for combustion chamber scavenging'
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[patent_app_number] => 7/499890
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[firstpage_image] =>[orig_patent_app_number] => 499890
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/499890 | Internal combustion engine with load-responsive valve control for combustion chamber scavenging | Mar 26, 1990 | Issued |
Array
(
[id] => 2754097
[patent_doc_number] => 04984541
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-15
[patent_title] => 'Valve stepping drive apparatus'
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[firstpage_image] =>[orig_patent_app_number] => 498640
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/498640 | Valve stepping drive apparatus | Mar 25, 1990 | Issued |
Array
(
[id] => 2580408
[patent_doc_number] => 04974560
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Array
(
[id] => 2689368
[patent_doc_number] => 05067450
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[patent_title] => 'Variable valve timing system having rotational vibration damping'
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Array
(
[id] => 2688712
[patent_doc_number] => 05012774
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[patent_issue_date] => 1991-05-07
[patent_title] => 'Device for the relative angular adjustment of a camshaft'
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Array
(
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Array
(
[id] => 2690194
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Array
(
[id] => 2685934
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Array
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Array
(
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[firstpage_image] =>[orig_patent_app_number] => 479621
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/479621 | Valve train for automotive engine | Feb 12, 1990 | Issued |