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] => 2797375 [patent_doc_number] => 05080053 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Rotary drives' [patent_app_type] => 1 [patent_app_number] => 7/609594 [patent_app_country] => US [patent_app_date] => 1990-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1363 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080053.pdf [firstpage_image] =>[orig_patent_app_number] => 609594 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/609594
Rotary drives Nov 5, 1990 Issued
Array ( [id] => 2694013 [patent_doc_number] => 05052350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'Device to combine the motions of two camlobes differentially phased' [patent_app_type] => 1 [patent_app_number] => 7/608562 [patent_app_country] => US [patent_app_date] => 1990-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 3405 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/052/05052350.pdf [firstpage_image] =>[orig_patent_app_number] => 608562 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/608562
Device to combine the motions of two camlobes differentially phased Nov 1, 1990 Issued
Array ( [id] => 2726700 [patent_doc_number] => 05022361 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Valve-lash adjustment system' [patent_app_type] => 1 [patent_app_number] => 7/607943 [patent_app_country] => US [patent_app_date] => 1990-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6097 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/022/05022361.pdf [firstpage_image] =>[orig_patent_app_number] => 607943 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/607943
Valve-lash adjustment system Oct 30, 1990 Issued
Array ( [id] => 2738130 [patent_doc_number] => 05042437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-27 [patent_title] => 'Rocker arm arrangement for variable timing valve train' [patent_app_type] => 1 [patent_app_number] => 7/606966 [patent_app_country] => US [patent_app_date] => 1990-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3278 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/042/05042437.pdf [firstpage_image] =>[orig_patent_app_number] => 606966 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/606966
Rocker arm arrangement for variable timing valve train Oct 30, 1990 Issued
Array ( [id] => 2859763 [patent_doc_number] => 05117785 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Valve timing control device for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/605536 [patent_app_country] => US [patent_app_date] => 1990-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6459 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117785.pdf [firstpage_image] =>[orig_patent_app_number] => 605536 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/605536
Valve timing control device for internal combustion engine Oct 28, 1990 Issued
Array ( [id] => 2704580 [patent_doc_number] => 05056478 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Variable camshaft phasing mechanism' [patent_app_type] => 1 [patent_app_number] => 7/598739 [patent_app_country] => US [patent_app_date] => 1990-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2228 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/056/05056478.pdf [firstpage_image] =>[orig_patent_app_number] => 598739 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/598739
Variable camshaft phasing mechanism Oct 21, 1990 Issued
Array ( [id] => 2725686 [patent_doc_number] => 05010856 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-30 [patent_title] => 'Engine finger follower type rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 7/597460 [patent_app_country] => US [patent_app_date] => 1990-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2009 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/010/05010856.pdf [firstpage_image] =>[orig_patent_app_number] => 597460 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/597460
Engine finger follower type rocker arm assembly Oct 14, 1990 Issued
Array ( [id] => 2726679 [patent_doc_number] => 05022360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Valve actuator for overhead camshaft engine' [patent_app_type] => 1 [patent_app_number] => 7/597237 [patent_app_country] => US [patent_app_date] => 1990-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 12 [patent_no_of_words] => 3076 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/022/05022360.pdf [firstpage_image] =>[orig_patent_app_number] => 597237 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/597237
Valve actuator for overhead camshaft engine Oct 14, 1990 Issued
Array ( [id] => 2690995 [patent_doc_number] => 05016582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Rocker arm' [patent_app_type] => 1 [patent_app_number] => 7/596359 [patent_app_country] => US [patent_app_date] => 1990-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1992 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/016/05016582.pdf [firstpage_image] =>[orig_patent_app_number] => 596359 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/596359
Rocker arm Oct 11, 1990 Issued
Array ( [id] => 2731252 [patent_doc_number] => 05020488 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Valve mechanism for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/596770 [patent_app_country] => US [patent_app_date] => 1990-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3686 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/020/05020488.pdf [firstpage_image] =>[orig_patent_app_number] => 596770 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/596770
Valve mechanism for an internal combustion engine Oct 11, 1990 Issued
Array ( [id] => 2651145 [patent_doc_number] => 05046462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Rocker arm arrangement for variable valve timing type internal combustion engine valve train' [patent_app_type] => 1 [patent_app_number] => 7/593202 [patent_app_country] => US [patent_app_date] => 1990-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 4270 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/046/05046462.pdf [firstpage_image] =>[orig_patent_app_number] => 593202 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/593202
Rocker arm arrangement for variable valve timing type internal combustion engine valve train Oct 4, 1990 Issued
Array ( [id] => 2726603 [patent_doc_number] => 05022356 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Roller valve lifter with anti-rotation member' [patent_app_type] => 1 [patent_app_number] => 7/593091 [patent_app_country] => US [patent_app_date] => 1990-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2980 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/022/05022356.pdf [firstpage_image] =>[orig_patent_app_number] => 593091 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/593091
Roller valve lifter with anti-rotation member Oct 4, 1990 Issued
Array ( [id] => 2731216 [patent_doc_number] => 05020486 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Partitioned poppet valve mechanism seprating inlet and exhaust tracts' [patent_app_type] => 1 [patent_app_number] => 7/592216 [patent_app_country] => US [patent_app_date] => 1990-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 1969 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/020/05020486.pdf [firstpage_image] =>[orig_patent_app_number] => 592216 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/592216
Partitioned poppet valve mechanism seprating inlet and exhaust tracts Oct 2, 1990 Issued
Array ( [id] => 2714610 [patent_doc_number] => 05031586 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Multi-valve engine' [patent_app_type] => 1 [patent_app_number] => 7/588390 [patent_app_country] => US [patent_app_date] => 1990-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5586 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031586.pdf [firstpage_image] =>[orig_patent_app_number] => 588390 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/588390
Multi-valve engine Sep 25, 1990 Issued
Array ( [id] => 2796353 [patent_doc_number] => 05085182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Variable valve timing rocker arm arrangement for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/587939 [patent_app_country] => US [patent_app_date] => 1990-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 3791 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/085/05085182.pdf [firstpage_image] =>[orig_patent_app_number] => 587939 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/587939
Variable valve timing rocker arm arrangement for internal combustion engine Sep 24, 1990 Issued
Array ( [id] => 2727538 [patent_doc_number] => 05029516 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-09 [patent_title] => 'Pneumatically powered valve actuator' [patent_app_type] => 1 [patent_app_number] => 7/587203 [patent_app_country] => US [patent_app_date] => 1990-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 6222 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/029/05029516.pdf [firstpage_image] =>[orig_patent_app_number] => 587203 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/587203
Pneumatically powered valve actuator Sep 23, 1990 Issued
Array ( [id] => 2738545 [patent_doc_number] => 05058539 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Valve timing adjusting system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/585735 [patent_app_country] => US [patent_app_date] => 1990-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4572 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/058/05058539.pdf [firstpage_image] =>[orig_patent_app_number] => 585735 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/585735
Valve timing adjusting system for internal combustion engine Sep 19, 1990 Issued
Array ( [id] => 2651106 [patent_doc_number] => 05046460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Variable camshaft timing for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/584913 [patent_app_country] => US [patent_app_date] => 1990-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 30 [patent_no_of_words] => 7081 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/046/05046460.pdf [firstpage_image] =>[orig_patent_app_number] => 584913 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/584913
Variable camshaft timing for internal combustion engine Sep 18, 1990 Issued
Array ( [id] => 2738147 [patent_doc_number] => 05042438 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-27 [patent_title] => 'Valve-controlled internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/585824 [patent_app_country] => US [patent_app_date] => 1990-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2469 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/042/05042438.pdf [firstpage_image] =>[orig_patent_app_number] => 585824 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/585824
Valve-controlled internal combustion engine Sep 17, 1990 Issued
Array ( [id] => 2714572 [patent_doc_number] => 05031584 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Variable lift valves' [patent_app_type] => 1 [patent_app_number] => 7/548897 [patent_app_country] => US [patent_app_date] => 1990-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1815 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031584.pdf [firstpage_image] =>[orig_patent_app_number] => 548897 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/548897
Variable lift valves Sep 16, 1990 Issued
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