
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] => 2607042
[patent_doc_number] => 04919090
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-24
[patent_title] => 'Mounting aid for installing valve actuating elements'
[patent_app_type] => 1
[patent_app_number] => 7/351518
[patent_app_country] => US
[patent_app_date] => 1989-05-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 7
[patent_no_of_words] => 2321
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 117
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/919/04919090.pdf
[firstpage_image] =>[orig_patent_app_number] => 351518
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/351518 | Mounting aid for installing valve actuating elements | May 14, 1989 | Issued |
Array
(
[id] => 2617780
[patent_doc_number] => 04909196
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-03-20
[patent_title] => 'Valve operating mechanism for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/350144
[patent_app_country] => US
[patent_app_date] => 1989-05-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 3179
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 148
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/909/04909196.pdf
[firstpage_image] =>[orig_patent_app_number] => 350144
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/350144 | Valve operating mechanism for internal combustion engine | May 9, 1989 | Issued |
Array
(
[id] => 2579638
[patent_doc_number] => 04920943
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-01
[patent_title] => 'Cover for the valve rocker compartment of internal combustion engines, with a lubricating oil anti-sucking device'
[patent_app_type] => 1
[patent_app_number] => 7/349638
[patent_app_country] => US
[patent_app_date] => 1989-05-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1636
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 43
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/920/04920943.pdf
[firstpage_image] =>[orig_patent_app_number] => 349638
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/349638 | Cover for the valve rocker compartment of internal combustion engines, with a lubricating oil anti-sucking device | May 9, 1989 | Issued |
Array
(
[id] => 2583400
[patent_doc_number] => 04911114
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-03-27
[patent_title] => 'Device for switching valve operation modes in an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/349703
[patent_app_country] => US
[patent_app_date] => 1989-05-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 2852
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 122
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/911/04911114.pdf
[firstpage_image] =>[orig_patent_app_number] => 349703
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/349703 | Device for switching valve operation modes in an internal combustion engine | May 9, 1989 | Issued |
Array
(
[id] => 2577044
[patent_doc_number] => 04922870
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-08
[patent_title] => 'Arrangement for supporting a crankshaft'
[patent_app_type] => 1
[patent_app_number] => 7/349425
[patent_app_country] => US
[patent_app_date] => 1989-05-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1297
[patent_no_of_claims] => 3
[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/04/922/04922870.pdf
[firstpage_image] =>[orig_patent_app_number] => 349425
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/349425 | Arrangement for supporting a crankshaft | May 7, 1989 | Issued |
Array
(
[id] => 2571631
[patent_doc_number] => 04962732
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-10-16
[patent_title] => 'Valve operating device for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/346305
[patent_app_country] => US
[patent_app_date] => 1989-05-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 3774
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/962/04962732.pdf
[firstpage_image] =>[orig_patent_app_number] => 346305
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/346305 | Valve operating device for internal combustion engine | May 1, 1989 | Issued |
Array
(
[id] => 2742382
[patent_doc_number] => 04993376
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-02-19
[patent_title] => 'Spring system'
[patent_app_type] => 1
[patent_app_number] => 7/345328
[patent_app_country] => US
[patent_app_date] => 1989-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 2627
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 65
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/993/04993376.pdf
[firstpage_image] =>[orig_patent_app_number] => 345328
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/345328 | Spring system | Apr 27, 1989 | Issued |
Array
(
[id] => 2611670
[patent_doc_number] => 04966108
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-10-30
[patent_title] => 'Sintered ceramic ball and socket joint assembly'
[patent_app_type] => 1
[patent_app_number] => 7/344743
[patent_app_country] => US
[patent_app_date] => 1989-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2654
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 101
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/966/04966108.pdf
[firstpage_image] =>[orig_patent_app_number] => 344743
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/344743 | Sintered ceramic ball and socket joint assembly | Apr 27, 1989 | Issued |
Array
(
[id] => 2580351
[patent_doc_number] => 04974557
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-12-04
[patent_title] => 'Auxiliary drive arrangement of an internal combustion engine for an air compressor'
[patent_app_type] => 1
[patent_app_number] => 7/345021
[patent_app_country] => US
[patent_app_date] => 1989-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1639
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 194
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/974/04974557.pdf
[firstpage_image] =>[orig_patent_app_number] => 345021
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/345021 | Auxiliary drive arrangement of an internal combustion engine for an air compressor | Apr 27, 1989 | Issued |
Array
(
[id] => 2566129
[patent_doc_number] => 04924826
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-15
[patent_title] => 'Temperature responsive engine compartment'
[patent_app_type] => 1
[patent_app_number] => 7/343595
[patent_app_country] => US
[patent_app_date] => 1989-04-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 1970
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 66
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/924/04924826.pdf
[firstpage_image] =>[orig_patent_app_number] => 343595
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/343595 | Temperature responsive engine compartment | Apr 26, 1989 | Issued |
Array
(
[id] => 2461563
[patent_doc_number] => 04889086
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-12-26
[patent_title] => 'Automatic timing variation device for an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/343288
[patent_app_country] => US
[patent_app_date] => 1989-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 2270
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 181
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/889/04889086.pdf
[firstpage_image] =>[orig_patent_app_number] => 343288
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/343288 | Automatic timing variation device for an internal combustion engine | Apr 25, 1989 | Issued |
Array
(
[id] => 2605758
[patent_doc_number] => 04893597
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-01-16
[patent_title] => 'Engine cylinder assembly having an intake cross-passageway'
[patent_app_type] => 1
[patent_app_number] => 7/342186
[patent_app_country] => US
[patent_app_date] => 1989-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 2268
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 164
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/893/04893597.pdf
[firstpage_image] =>[orig_patent_app_number] => 342186
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/342186 | Engine cylinder assembly having an intake cross-passageway | Apr 23, 1989 | Issued |
Array
(
[id] => 2644034
[patent_doc_number] => 04961407
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-10-09
[patent_title] => 'Rocker arm with a cost push rod seat'
[patent_app_type] => 1
[patent_app_number] => 7/342543
[patent_app_country] => US
[patent_app_date] => 1989-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 1862
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 4
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/961/04961407.pdf
[firstpage_image] =>[orig_patent_app_number] => 342543
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/342543 | Rocker arm with a cost push rod seat | Apr 23, 1989 | Issued |
| 07/339748 | ELECTRO-RHEOLOGICAL VALVE CONTROL MECHANISM | Apr 17, 1989 | Abandoned |
Array
(
[id] => 2508723
[patent_doc_number] => 04876994
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-10-31
[patent_title] => 'Hydraulic play compensation element'
[patent_app_type] => 1
[patent_app_number] => 7/337952
[patent_app_country] => US
[patent_app_date] => 1989-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 2423
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 181
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/876/04876994.pdf
[firstpage_image] =>[orig_patent_app_number] => 337952
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/337952 | Hydraulic play compensation element | Apr 13, 1989 | Issued |
Array
(
[id] => 2562978
[patent_doc_number] => 04972809
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-11-27
[patent_title] => 'Power unit of inboard/outboard'
[patent_app_type] => 1
[patent_app_number] => 7/337395
[patent_app_country] => US
[patent_app_date] => 1989-04-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2032
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/972/04972809.pdf
[firstpage_image] =>[orig_patent_app_number] => 337395
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/337395 | Power unit of inboard/outboard | Apr 12, 1989 | Issued |
Array
(
[id] => 2512725
[patent_doc_number] => 04887561
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-12-19
[patent_title] => 'Method of controlling valve operation in an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/337492
[patent_app_country] => US
[patent_app_date] => 1989-04-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/887/04887561.pdf
[firstpage_image] =>[orig_patent_app_number] => 337492
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/337492 | Method of controlling valve operation in an internal combustion engine | Apr 12, 1989 | Issued |
Array
(
[id] => 2569394
[patent_doc_number] => 04926805
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-22
[patent_title] => 'Push rod tube for high lift rocker arms'
[patent_app_type] => 1
[patent_app_number] => 7/336699
[patent_app_country] => US
[patent_app_date] => 1989-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 2028
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/926/04926805.pdf
[firstpage_image] =>[orig_patent_app_number] => 336699
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/336699 | Push rod tube for high lift rocker arms | Apr 11, 1989 | Issued |
Array
(
[id] => 2512782
[patent_doc_number] => 04887564
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-12-19
[patent_title] => 'Valve actuation system for desmodromic internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/335442
[patent_app_country] => US
[patent_app_date] => 1989-04-10
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/887/04887564.pdf
[firstpage_image] =>[orig_patent_app_number] => 335442
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/335442 | Valve actuation system for desmodromic internal combustion engines | Apr 9, 1989 | Issued |
Array
(
[id] => 2648246
[patent_doc_number] => 04903646
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-27
[patent_title] => 'V-type cylinder block of internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/333419
[patent_app_country] => US
[patent_app_date] => 1989-04-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 1443
[patent_no_of_claims] => 2
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/903/04903646.pdf
[firstpage_image] =>[orig_patent_app_number] => 333419
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/333419 | V-type cylinder block of internal combustion engine | Apr 3, 1989 | Issued |