
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] => 2943347
[patent_doc_number] => 05263441
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-11-23
[patent_title] => 'Hydraulic valve control apparatus for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/730792
[patent_app_country] => US
[patent_app_date] => 1991-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 6629
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 308
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/263/05263441.pdf
[firstpage_image] =>[orig_patent_app_number] => 730792
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/730792 | Hydraulic valve control apparatus for internal combustion engines | Jul 24, 1991 | Issued |
Array
(
[id] => 2780630
[patent_doc_number] => 05138985
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-08-18
[patent_title] => 'Arrangement for changing the valve timing of an internal-combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/735006
[patent_app_country] => US
[patent_app_date] => 1991-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 9
[patent_no_of_words] => 3888
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 217
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/138/05138985.pdf
[firstpage_image] =>[orig_patent_app_number] => 735006
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/735006 | Arrangement for changing the valve timing of an internal-combustion engine | Jul 24, 1991 | Issued |
Array
(
[id] => 2788411
[patent_doc_number] => 05156119
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-20
[patent_title] => 'Valve timing control apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/734137
[patent_app_country] => US
[patent_app_date] => 1991-07-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3016
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 192
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/156/05156119.pdf
[firstpage_image] =>[orig_patent_app_number] => 734137
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/734137 | Valve timing control apparatus | Jul 21, 1991 | Issued |
Array
(
[id] => 2805000
[patent_doc_number] => 05168841
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-08
[patent_title] => 'Tappet with ceramic seat plate'
[patent_app_type] => 1
[patent_app_number] => 7/732203
[patent_app_country] => US
[patent_app_date] => 1991-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 4158
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 115
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/168/05168841.pdf
[firstpage_image] =>[orig_patent_app_number] => 732203
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/732203 | Tappet with ceramic seat plate | Jul 18, 1991 | Issued |
Array
(
[id] => 2860509
[patent_doc_number] => 05107805
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-28
[patent_title] => 'Camshaft with extra cam to increase the magnitude of torque pulsations therein'
[patent_app_type] => 1
[patent_app_number] => 7/732065
[patent_app_country] => US
[patent_app_date] => 1991-07-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 14
[patent_no_of_words] => 3213
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 207
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/107/05107805.pdf
[firstpage_image] =>[orig_patent_app_number] => 732065
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/732065 | Camshaft with extra cam to increase the magnitude of torque pulsations therein | Jul 17, 1991 | Issued |
Array
(
[id] => 2954008
[patent_doc_number] => 05193495
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-16
[patent_title] => 'Internal combustion engine valve control device'
[patent_app_type] => 1
[patent_app_number] => 7/730613
[patent_app_country] => US
[patent_app_date] => 1991-07-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3069
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 97
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/193/05193495.pdf
[firstpage_image] =>[orig_patent_app_number] => 730613
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/730613 | Internal combustion engine valve control device | Jul 15, 1991 | Issued |
Array
(
[id] => 2785741
[patent_doc_number] => 05144920
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-09-08
[patent_title] => 'Automatic timing governor between crankshaft and camshafts, operating by means of actuators on the shaft connecting chain'
[patent_app_type] => 1
[patent_app_number] => 7/720813
[patent_app_country] => US
[patent_app_date] => 1991-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1730
[patent_no_of_claims] => 7
[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/05/144/05144920.pdf
[firstpage_image] =>[orig_patent_app_number] => 720813
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/720813 | Automatic timing governor between crankshaft and camshafts, operating by means of actuators on the shaft connecting chain | Jul 10, 1991 | Issued |
Array
(
[id] => 2768131
[patent_doc_number] => 05099806
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-31
[patent_title] => 'Valve system for automobile engine'
[patent_app_type] => 1
[patent_app_number] => 7/725606
[patent_app_country] => US
[patent_app_date] => 1991-07-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 29
[patent_no_of_words] => 5976
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/099/05099806.pdf
[firstpage_image] =>[orig_patent_app_number] => 725606
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/725606 | Valve system for automobile engine | Jul 2, 1991 | Issued |
Array
(
[id] => 2841001
[patent_doc_number] => 05165369
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-24
[patent_title] => 'Hydraulic valve control apparatus for a multicylinder internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/688589
[patent_app_country] => US
[patent_app_date] => 1991-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 4713
[patent_no_of_claims] => 27
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/165/05165369.pdf
[firstpage_image] =>[orig_patent_app_number] => 688589
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/688589 | Hydraulic valve control apparatus for a multicylinder internal combustion engine | Jun 27, 1991 | Issued |
Array
(
[id] => 2931736
[patent_doc_number] => 05179918
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-19
[patent_title] => 'Timing-range gear'
[patent_app_type] => 1
[patent_app_number] => 7/721400
[patent_app_country] => US
[patent_app_date] => 1991-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 11
[patent_no_of_words] => 3588
[patent_no_of_claims] => 25
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 220
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/179/05179918.pdf
[firstpage_image] =>[orig_patent_app_number] => 721400
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/721400 | Timing-range gear | Jun 25, 1991 | Issued |
Array
(
[id] => 2960004
[patent_doc_number] => 05203291
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-20
[patent_title] => 'Valve timing control system for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/721131
[patent_app_country] => US
[patent_app_date] => 1991-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/203/05203291.pdf
[firstpage_image] =>[orig_patent_app_number] => 721131
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/721131 | Valve timing control system for internal combustion engine | Jun 25, 1991 | Issued |
Array
(
[id] => 2847644
[patent_doc_number] => 05095860
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-17
[patent_title] => 'Engine valve cover apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/719621
[patent_app_country] => US
[patent_app_date] => 1991-06-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2331
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[pdf_file] => patents/05/095/05095860.pdf
[firstpage_image] =>[orig_patent_app_number] => 719621
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/719621 | Engine valve cover apparatus | Jun 23, 1991 | Issued |
| 07/720115 | VARIABLE ENGINE VALVE CONTROL SYSTEM | Jun 23, 1991 | Abandoned |
Array
(
[id] => 2912406
[patent_doc_number] => 05231960
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-08-03
[patent_title] => 'Method and appparatus for varying intake and exhaust valve opening and closing in a reciprocating piston engine'
[patent_app_type] => 1
[patent_app_number] => 7/718776
[patent_app_country] => US
[patent_app_date] => 1991-06-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[pdf_file] => patents/05/231/05231960.pdf
[firstpage_image] =>[orig_patent_app_number] => 718776
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/718776 | Method and appparatus for varying intake and exhaust valve opening and closing in a reciprocating piston engine | Jun 20, 1991 | Issued |
Array
(
[id] => 2767633
[patent_doc_number] => 05154143
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-13
[patent_title] => 'Electrohydraulic valve control device for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/690882
[patent_app_country] => US
[patent_app_date] => 1991-06-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 3550
[patent_no_of_claims] => 17
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/154/05154143.pdf
[firstpage_image] =>[orig_patent_app_number] => 690882
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/690882 | Electrohydraulic valve control device for internal combustion engines | Jun 17, 1991 | Issued |
Array
(
[id] => 2847607
[patent_doc_number] => 05095858
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-17
[patent_title] => 'Timing system, particularly for an internal combustion engine with a number of valves per cylinder'
[patent_app_type] => 1
[patent_app_number] => 7/717414
[patent_app_country] => US
[patent_app_date] => 1991-06-17
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/095/05095858.pdf
[firstpage_image] =>[orig_patent_app_number] => 717414
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/717414 | Timing system, particularly for an internal combustion engine with a number of valves per cylinder | Jun 16, 1991 | Issued |
Array
(
[id] => 2806080
[patent_doc_number] => 05167206
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-01
[patent_title] => 'Continuously variable valve timing control system'
[patent_app_type] => 1
[patent_app_number] => 7/707086
[patent_app_country] => US
[patent_app_date] => 1991-05-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/167/05167206.pdf
[firstpage_image] =>[orig_patent_app_number] => 707086
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/707086 | Continuously variable valve timing control system | May 28, 1991 | Issued |
Array
(
[id] => 2860587
[patent_doc_number] => 05107809
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-28
[patent_title] => 'Engine block and bearing assembly'
[patent_app_type] => 1
[patent_app_number] => 7/706373
[patent_app_country] => US
[patent_app_date] => 1991-05-28
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/107/05107809.pdf
[firstpage_image] =>[orig_patent_app_number] => 706373
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/706373 | Engine block and bearing assembly | May 27, 1991 | Issued |
Array
(
[id] => 2783882
[patent_doc_number] => 05113811
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-19
[patent_title] => 'Hydraulic valve control device for internal combustion engines'
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[pdf_file] => patents/05/113/05113811.pdf
[firstpage_image] =>[orig_patent_app_number] => 700126
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/700126 | Hydraulic valve control device for internal combustion engines | May 27, 1991 | Issued |
Array
(
[id] => 2860442
[patent_doc_number] => 05107802
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-28
[patent_title] => 'Valve driving mechanism for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/705274
[patent_app_country] => US
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[pdf_file] => patents/05/107/05107802.pdf
[firstpage_image] =>[orig_patent_app_number] => 705274
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/705274 | Valve driving mechanism for internal combustion engines | May 23, 1991 | Issued |