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] => 2824781 [patent_doc_number] => 05159904 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Device for adjusting the angular setting of a driven shaft relative to a driving shaft' [patent_app_type] => 1 [patent_app_number] => 7/458742 [patent_app_country] => US [patent_app_date] => 1989-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4579 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159904.pdf [firstpage_image] =>[orig_patent_app_number] => 458742 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/458742
Device for adjusting the angular setting of a driven shaft relative to a driving shaft Dec 10, 1989 Issued
Array ( [id] => 2688770 [patent_doc_number] => 04991549 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Camshaft lubricating system for engine' [patent_app_type] => 1 [patent_app_number] => 7/447632 [patent_app_country] => US [patent_app_date] => 1989-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2141 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/991/04991549.pdf [firstpage_image] =>[orig_patent_app_number] => 447632 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/447632
Camshaft lubricating system for engine Dec 7, 1989 Issued
Array ( [id] => 2623639 [patent_doc_number] => 04938179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-03 [patent_title] => 'Valve control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/446101 [patent_app_country] => US [patent_app_date] => 1989-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2728 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/938/04938179.pdf [firstpage_image] =>[orig_patent_app_number] => 446101 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/446101
Valve control system for internal combustion engine Dec 4, 1989 Issued
Array ( [id] => 2727055 [patent_doc_number] => 05027763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'One-piece push rod having enlarged spherical seat' [patent_app_type] => 1 [patent_app_number] => 7/446302 [patent_app_country] => US [patent_app_date] => 1989-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 14 [patent_no_of_words] => 3598 [patent_no_of_claims] => 8 [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/05/027/05027763.pdf [firstpage_image] =>[orig_patent_app_number] => 446302 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/446302
One-piece push rod having enlarged spherical seat Dec 4, 1989 Issued
Array ( [id] => 2651514 [patent_doc_number] => 05033423 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-23 [patent_title] => 'Internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/446195 [patent_app_country] => US [patent_app_date] => 1989-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4447 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 354 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/033/05033423.pdf [firstpage_image] =>[orig_patent_app_number] => 446195 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/446195
Internal combustion engine Dec 4, 1989 Issued
Array ( [id] => 2617109 [patent_doc_number] => 04957079 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Camshaft structure for double overhead camshaft engine' [patent_app_type] => 1 [patent_app_number] => 7/442794 [patent_app_country] => US [patent_app_date] => 1989-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4101 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/957/04957079.pdf [firstpage_image] =>[orig_patent_app_number] => 442794 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/442794
Camshaft structure for double overhead camshaft engine Nov 28, 1989 Issued
Array ( [id] => 2617018 [patent_doc_number] => 04957074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Closed loop electric valve control for I. C. engine' [patent_app_type] => 1 [patent_app_number] => 7/441790 [patent_app_country] => US [patent_app_date] => 1989-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1477 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/957/04957074.pdf [firstpage_image] =>[orig_patent_app_number] => 441790 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/441790
Closed loop electric valve control for I. C. engine Nov 26, 1989 Issued
Array ( [id] => 2603304 [patent_doc_number] => 04942851 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Electromagnetic valve control system' [patent_app_type] => 1 [patent_app_number] => 7/435942 [patent_app_country] => US [patent_app_date] => 1989-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3060 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/942/04942851.pdf [firstpage_image] =>[orig_patent_app_number] => 435942 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/435942
Electromagnetic valve control system Nov 12, 1989 Issued
Array ( [id] => 2581430 [patent_doc_number] => 04940048 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-10 [patent_title] => 'Boat-type rocker arm with flanges' [patent_app_type] => 1 [patent_app_number] => 7/434857 [patent_app_country] => US [patent_app_date] => 1989-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1411 [patent_no_of_claims] => 22 [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/04/940/04940048.pdf [firstpage_image] =>[orig_patent_app_number] => 434857 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/434857
Boat-type rocker arm with flanges Nov 8, 1989 Issued
Array ( [id] => 2548050 [patent_doc_number] => 04944264 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-31 [patent_title] => 'Chain casing for engine' [patent_app_type] => 1 [patent_app_number] => 7/433894 [patent_app_country] => US [patent_app_date] => 1989-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2919 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/944/04944264.pdf [firstpage_image] =>[orig_patent_app_number] => 433894 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/433894
Chain casing for engine Nov 8, 1989 Issued
Array ( [id] => 2697456 [patent_doc_number] => 05009205 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-23 [patent_title] => 'Crankshaft supporting structure for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/432998 [patent_app_country] => US [patent_app_date] => 1989-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 5075 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/009/05009205.pdf [firstpage_image] =>[orig_patent_app_number] => 432998 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432998
Crankshaft supporting structure for an internal combustion engine Nov 7, 1989 Issued
Array ( [id] => 2717098 [patent_doc_number] => 05050543 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-24 [patent_title] => 'Valve control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/429477 [patent_app_country] => US [patent_app_date] => 1989-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2380 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/050/05050543.pdf [firstpage_image] =>[orig_patent_app_number] => 429477 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/429477
Valve control system for internal combustion engine Oct 30, 1989 Issued
07/429602 VALVE CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE Oct 30, 1989 Abandoned
Array ( [id] => 2742281 [patent_doc_number] => 04993370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-19 [patent_title] => 'Valve driving mechanism for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/427471 [patent_app_country] => US [patent_app_date] => 1989-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 2683 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/993/04993370.pdf [firstpage_image] =>[orig_patent_app_number] => 427471 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/427471
Valve driving mechanism for internal combustion engine Oct 26, 1989 Issued
Array ( [id] => 2544947 [patent_doc_number] => 04941438 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-17 [patent_title] => 'Hydraulic valve-lash adjuster' [patent_app_type] => 1 [patent_app_number] => 7/425802 [patent_app_country] => US [patent_app_date] => 1989-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2505 [patent_no_of_claims] => 3 [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/04/941/04941438.pdf [firstpage_image] =>[orig_patent_app_number] => 425802 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/425802
Hydraulic valve-lash adjuster Oct 22, 1989 Issued
Array ( [id] => 2603379 [patent_doc_number] => 04942855 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Lubricating system of a valve mechanism for a double overhead camshaft engine' [patent_app_type] => 1 [patent_app_number] => 7/425801 [patent_app_country] => US [patent_app_date] => 1989-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2726 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/942/04942855.pdf [firstpage_image] =>[orig_patent_app_number] => 425801 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/425801
Lubricating system of a valve mechanism for a double overhead camshaft engine Oct 22, 1989 Issued
Array ( [id] => 2575225 [patent_doc_number] => 04958602 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/424821 [patent_app_country] => US [patent_app_date] => 1989-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2330 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/958/04958602.pdf [firstpage_image] =>[orig_patent_app_number] => 424821 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/424821
Internal combustion engine Oct 19, 1989 Issued
Array ( [id] => 2654009 [patent_doc_number] => 04998514 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-12 [patent_title] => 'Self-operating lash-adjusting tappet assembly' [patent_app_type] => 1 [patent_app_number] => 7/424023 [patent_app_country] => US [patent_app_date] => 1989-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2628 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/998/04998514.pdf [firstpage_image] =>[orig_patent_app_number] => 424023 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/424023
Self-operating lash-adjusting tappet assembly Oct 18, 1989 Issued
Array ( [id] => 2615920 [patent_doc_number] => 04976228 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-11 [patent_title] => 'Valve control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/420953 [patent_app_country] => US [patent_app_date] => 1989-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2077 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/976/04976228.pdf [firstpage_image] =>[orig_patent_app_number] => 420953 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/420953
Valve control system for internal combustion engine Oct 12, 1989 Issued
Array ( [id] => 2582796 [patent_doc_number] => 04930465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Solenoid control of engine valves with accumulator pressure recovery' [patent_app_type] => 1 [patent_app_number] => 7/416339 [patent_app_country] => US [patent_app_date] => 1989-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2099 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/930/04930465.pdf [firstpage_image] =>[orig_patent_app_number] => 416339 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/416339
Solenoid control of engine valves with accumulator pressure recovery Oct 2, 1989 Issued
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