Search

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 numberTitle of the applicationFiling DateStatus
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 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [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 [patent_figures_cnt] => 6 [patent_no_of_words] => 2032 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [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 [patent_figures_cnt] => 6 [patent_no_of_words] => 4242 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [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 [patent_figures_cnt] => 6 [patent_no_of_words] => 2028 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [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 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1785 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_figures_cnt] => 4 [patent_no_of_words] => 1443 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [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
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