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] => 2690978 [patent_doc_number] => 05016581 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Valve mechanisms' [patent_app_type] => 1 [patent_app_number] => 7/578785 [patent_app_country] => US [patent_app_date] => 1990-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2213 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/016/05016581.pdf [firstpage_image] =>[orig_patent_app_number] => 578785 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/578785
Valve mechanisms Sep 5, 1990 Issued
Array ( [id] => 2715445 [patent_doc_number] => 05038726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-13 [patent_title] => 'Rocker arm with integral ball pivot socket' [patent_app_type] => 1 [patent_app_number] => 7/574735 [patent_app_country] => US [patent_app_date] => 1990-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1127 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/038/05038726.pdf [firstpage_image] =>[orig_patent_app_number] => 574735 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/574735
Rocker arm with integral ball pivot socket Aug 29, 1990 Issued
Array ( [id] => 2847573 [patent_doc_number] => 05095856 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Electromagnetic valve actuating system' [patent_app_type] => 1 [patent_app_number] => 7/571530 [patent_app_country] => US [patent_app_date] => 1990-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2325 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095856.pdf [firstpage_image] =>[orig_patent_app_number] => 571530 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571530
Electromagnetic valve actuating system Aug 27, 1990 Issued
Array ( [id] => 2834477 [patent_doc_number] => 05111779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Electromagnetic valve actuating system' [patent_app_type] => 1 [patent_app_number] => 7/571527 [patent_app_country] => US [patent_app_date] => 1990-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2995 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/111/05111779.pdf [firstpage_image] =>[orig_patent_app_number] => 571527 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571527
Electromagnetic valve actuating system Aug 27, 1990 Issued
Array ( [id] => 2715211 [patent_doc_number] => 05076221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Electromagnetic valve actuating system' [patent_app_type] => 1 [patent_app_number] => 7/571526 [patent_app_country] => US [patent_app_date] => 1990-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3097 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/076/05076221.pdf [firstpage_image] =>[orig_patent_app_number] => 571526 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571526
Electromagnetic valve actuating system Aug 27, 1990 Issued
Array ( [id] => 2704549 [patent_doc_number] => 05056476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Variable valve duration and lift for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/573708 [patent_app_country] => US [patent_app_date] => 1990-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3328 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/056/05056476.pdf [firstpage_image] =>[orig_patent_app_number] => 573708 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/573708
Variable valve duration and lift for an internal combustion engine Aug 27, 1990 Issued
Array ( [id] => 2817504 [patent_doc_number] => 05119772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Electromagnetic valve actuating system' [patent_app_type] => 1 [patent_app_number] => 7/571522 [patent_app_country] => US [patent_app_date] => 1990-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3004 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/119/05119772.pdf [firstpage_image] =>[orig_patent_app_number] => 571522 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571522
Electromagnetic valve actuating system Aug 27, 1990 Issued
Array ( [id] => 2651452 [patent_doc_number] => 05033420 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-23 [patent_title] => 'Rocker arm arrangement for variable timing type valve train' [patent_app_type] => 1 [patent_app_number] => 7/572082 [patent_app_country] => US [patent_app_date] => 1990-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3790 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/033/05033420.pdf [firstpage_image] =>[orig_patent_app_number] => 572082 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/572082
Rocker arm arrangement for variable timing type valve train Aug 23, 1990 Issued
Array ( [id] => 2675826 [patent_doc_number] => 05063889 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-12 [patent_title] => 'Rocker arm with lubrication provisions' [patent_app_type] => 1 [patent_app_number] => 7/571790 [patent_app_country] => US [patent_app_date] => 1990-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1398 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/063/05063889.pdf [firstpage_image] =>[orig_patent_app_number] => 571790 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571790
Rocker arm with lubrication provisions Aug 23, 1990 Issued
Array ( [id] => 2725705 [patent_doc_number] => 05010857 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-30 [patent_title] => 'Rocker arm' [patent_app_type] => 1 [patent_app_number] => 7/567829 [patent_app_country] => US [patent_app_date] => 1990-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 1027 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/010/05010857.pdf [firstpage_image] =>[orig_patent_app_number] => 567829 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/567829
Rocker arm Aug 14, 1990 Issued
Array ( [id] => 2689724 [patent_doc_number] => 05060606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-29 [patent_title] => 'Rocker arm' [patent_app_type] => 1 [patent_app_number] => 7/567102 [patent_app_country] => US [patent_app_date] => 1990-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 2633 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/060/05060606.pdf [firstpage_image] =>[orig_patent_app_number] => 567102 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/567102
Rocker arm Aug 13, 1990 Issued
Array ( [id] => 2690212 [patent_doc_number] => 05040500 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Torque pulse compensated camshaft' [patent_app_type] => 1 [patent_app_number] => 7/561847 [patent_app_country] => US [patent_app_date] => 1990-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3157 [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/05/040/05040500.pdf [firstpage_image] =>[orig_patent_app_number] => 561847 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561847
Torque pulse compensated camshaft Aug 1, 1990 Issued
Array ( [id] => 2678004 [patent_doc_number] => 04995351 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Valve timing control apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/561022 [patent_app_country] => US [patent_app_date] => 1990-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3192 [patent_no_of_claims] => 2 [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/04/995/04995351.pdf [firstpage_image] =>[orig_patent_app_number] => 561022 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561022
Valve timing control apparatus for an internal combustion engine Jul 31, 1990 Issued
Array ( [id] => 2727038 [patent_doc_number] => 05027762 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'Lubrication system for multi-cylinder engine' [patent_app_type] => 1 [patent_app_number] => 7/559940 [patent_app_country] => US [patent_app_date] => 1990-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3901 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/027/05027762.pdf [firstpage_image] =>[orig_patent_app_number] => 559940 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/559940
Lubrication system for multi-cylinder engine Jul 29, 1990 Issued
Array ( [id] => 2665685 [patent_doc_number] => 05003940 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-02 [patent_title] => 'Quick adjust tappet assembly' [patent_app_type] => 1 [patent_app_number] => 7/557875 [patent_app_country] => US [patent_app_date] => 1990-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2041 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/003/05003940.pdf [firstpage_image] =>[orig_patent_app_number] => 557875 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/557875
Quick adjust tappet assembly Jul 24, 1990 Issued
Array ( [id] => 2747561 [patent_doc_number] => 05005541 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Hydraulic valve lifter' [patent_app_type] => 1 [patent_app_number] => 7/556525 [patent_app_country] => US [patent_app_date] => 1990-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1836 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/005/05005541.pdf [firstpage_image] =>[orig_patent_app_number] => 556525 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/556525
Hydraulic valve lifter Jul 23, 1990 Issued
Array ( [id] => 2738527 [patent_doc_number] => 05058538 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Hydraulically propelled phneumatically returned valve actuator' [patent_app_type] => 1 [patent_app_number] => 7/557369 [patent_app_country] => US [patent_app_date] => 1990-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4190 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/058/05058538.pdf [firstpage_image] =>[orig_patent_app_number] => 557369 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/557369
Hydraulically propelled phneumatically returned valve actuator Jul 23, 1990 Issued
Array ( [id] => 2687906 [patent_doc_number] => 05054442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-08 [patent_title] => 'Bearing bridge construction for the crankshaft mounting of a combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/553621 [patent_app_country] => US [patent_app_date] => 1990-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1459 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/054/05054442.pdf [firstpage_image] =>[orig_patent_app_number] => 553621 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/553621
Bearing bridge construction for the crankshaft mounting of a combustion engine Jul 17, 1990 Issued
Array ( [id] => 2847590 [patent_doc_number] => 05095857 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Self actuator for cam phasers' [patent_app_type] => 1 [patent_app_number] => 7/553932 [patent_app_country] => US [patent_app_date] => 1990-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 4565 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095857.pdf [firstpage_image] =>[orig_patent_app_number] => 553932 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/553932
Self actuator for cam phasers Jul 16, 1990 Issued
Array ( [id] => 2659683 [patent_doc_number] => 05044330 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-03 [patent_title] => 'Valve spring spacer' [patent_app_type] => 1 [patent_app_number] => 7/548853 [patent_app_country] => US [patent_app_date] => 1990-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 714 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/044/05044330.pdf [firstpage_image] =>[orig_patent_app_number] => 548853 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/548853
Valve spring spacer Jul 5, 1990 Issued
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