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] => 2908025 [patent_doc_number] => 05186130 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-16 [patent_title] => 'Camshaft control device' [patent_app_type] => 1 [patent_app_number] => 7/704047 [patent_app_country] => US [patent_app_date] => 1991-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2944 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/186/05186130.pdf [firstpage_image] =>[orig_patent_app_number] => 704047 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/704047
Camshaft control device May 21, 1991 Issued
Array ( [id] => 2770050 [patent_doc_number] => 05101778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'SOHC type internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/696776 [patent_app_country] => US [patent_app_date] => 1991-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6460 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/101/05101778.pdf [firstpage_image] =>[orig_patent_app_number] => 696776 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/696776
SOHC type internal combustion engine May 6, 1991 Issued
Array ( [id] => 2824818 [patent_doc_number] => 05159906 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Adjustable valve system for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/695127 [patent_app_country] => US [patent_app_date] => 1991-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 3283 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159906.pdf [firstpage_image] =>[orig_patent_app_number] => 695127 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/695127
Adjustable valve system for an internal combustion engine May 2, 1991 Issued
Array ( [id] => 2859745 [patent_doc_number] => 05117784 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Internal combustion engine camshaft phaseshift control system' [patent_app_type] => 1 [patent_app_number] => 7/695162 [patent_app_country] => US [patent_app_date] => 1991-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 6211 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117784.pdf [firstpage_image] =>[orig_patent_app_number] => 695162 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/695162
Internal combustion engine camshaft phaseshift control system May 2, 1991 Issued
Array ( [id] => 2840554 [patent_doc_number] => 05148779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Valve rotating apparatus of internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/693703 [patent_app_country] => US [patent_app_date] => 1991-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3882 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/148/05148779.pdf [firstpage_image] =>[orig_patent_app_number] => 693703 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/693703
Valve rotating apparatus of internal-combustion engine Apr 29, 1991 Issued
Array ( [id] => 2841019 [patent_doc_number] => 05165370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-24 [patent_title] => 'Mechanism for controlling valve timing' [patent_app_type] => 1 [patent_app_number] => 7/692462 [patent_app_country] => US [patent_app_date] => 1991-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4950 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/165/05165370.pdf [firstpage_image] =>[orig_patent_app_number] => 692462 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/692462
Mechanism for controlling valve timing Apr 24, 1991 Issued
Array ( [id] => 2872052 [patent_doc_number] => 05269269 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-14 [patent_title] => 'Adjusting device for gas exchange valves' [patent_app_type] => 1 [patent_app_number] => 7/654646 [patent_app_country] => US [patent_app_date] => 1991-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2789 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/269/05269269.pdf [firstpage_image] =>[orig_patent_app_number] => 654646 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/654646
Adjusting device for gas exchange valves Apr 23, 1991 Issued
Array ( [id] => 2902592 [patent_doc_number] => 05199392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-06 [patent_title] => 'Electromagnetically operated adjusting device' [patent_app_type] => 1 [patent_app_number] => 7/654645 [patent_app_country] => US [patent_app_date] => 1991-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2797 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/199/05199392.pdf [firstpage_image] =>[orig_patent_app_number] => 654645 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/654645
Electromagnetically operated adjusting device Apr 22, 1991 Issued
Array ( [id] => 2777493 [patent_doc_number] => 05143031 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Process and an arrangement for influencing the timing periods of an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/689471 [patent_app_country] => US [patent_app_date] => 1991-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2778 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/143/05143031.pdf [firstpage_image] =>[orig_patent_app_number] => 689471 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/689471
Process and an arrangement for influencing the timing periods of an internal-combustion engine Apr 22, 1991 Issued
Array ( [id] => 2832704 [patent_doc_number] => 05088457 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-18 [patent_title] => 'Internal combustion engine with a tensioner for the transmission chain between two overhead camshafts' [patent_app_type] => 1 [patent_app_number] => 7/688397 [patent_app_country] => US [patent_app_date] => 1991-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1321 [patent_no_of_claims] => 8 [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/05/088/05088457.pdf [firstpage_image] =>[orig_patent_app_number] => 688397 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/688397
Internal combustion engine with a tensioner for the transmission chain between two overhead camshafts Apr 21, 1991 Issued
Array ( [id] => 2847680 [patent_doc_number] => 05095862 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Removable adjustable pushrod' [patent_app_type] => 1 [patent_app_number] => 7/688294 [patent_app_country] => US [patent_app_date] => 1991-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2003 [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/05/095/05095862.pdf [firstpage_image] =>[orig_patent_app_number] => 688294 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/688294
Removable adjustable pushrod Apr 21, 1991 Issued
Array ( [id] => 2809179 [patent_doc_number] => 05097804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-24 [patent_title] => 'Phase change device' [patent_app_type] => 1 [patent_app_number] => 7/687155 [patent_app_country] => US [patent_app_date] => 1991-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2175 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/097/05097804.pdf [firstpage_image] =>[orig_patent_app_number] => 687155 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/687155
Phase change device Apr 17, 1991 Issued
Array ( [id] => 2860563 [patent_doc_number] => 05107808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-28 [patent_title] => 'Reservoir assembly having a drain therein' [patent_app_type] => 1 [patent_app_number] => 7/684752 [patent_app_country] => US [patent_app_date] => 1991-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2868 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/107/05107808.pdf [firstpage_image] =>[orig_patent_app_number] => 684752 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/684752
Reservoir assembly having a drain therein Apr 14, 1991 Issued
Array ( [id] => 2847626 [patent_doc_number] => 05095859 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'SOHC type internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/684657 [patent_app_country] => US [patent_app_date] => 1991-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9736 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095859.pdf [firstpage_image] =>[orig_patent_app_number] => 684657 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/684657
SOHC type internal combustion engine Apr 11, 1991 Issued
Array ( [id] => 2767564 [patent_doc_number] => 05129375 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Idler attaching boss construction' [patent_app_type] => 1 [patent_app_number] => 7/683598 [patent_app_country] => US [patent_app_date] => 1991-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1529 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/129/05129375.pdf [firstpage_image] =>[orig_patent_app_number] => 683598 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/683598
Idler attaching boss construction Apr 8, 1991 Issued
Array ( [id] => 2811702 [patent_doc_number] => 05127375 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Hydraulic valve control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/680221 [patent_app_country] => US [patent_app_date] => 1991-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 5555 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/127/05127375.pdf [firstpage_image] =>[orig_patent_app_number] => 680221 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/680221
Hydraulic valve control system for internal combustion engines Apr 3, 1991 Issued
Array ( [id] => 2652198 [patent_doc_number] => 05069173 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'Push rod having irregularly shaped internal bore' [patent_app_type] => 1 [patent_app_number] => 7/679743 [patent_app_country] => US [patent_app_date] => 1991-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 3291 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/069/05069173.pdf [firstpage_image] =>[orig_patent_app_number] => 679743 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/679743
Push rod having irregularly shaped internal bore Apr 2, 1991 Issued
Array ( [id] => 2732980 [patent_doc_number] => 05070827 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Low mass valve lifters' [patent_app_type] => 1 [patent_app_number] => 7/678402 [patent_app_country] => US [patent_app_date] => 1991-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 1396 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/070/05070827.pdf [firstpage_image] =>[orig_patent_app_number] => 678402 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/678402
Low mass valve lifters Mar 31, 1991 Issued
Array ( [id] => 2959721 [patent_doc_number] => 05181485 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Valve driving mechanism for double overhead camshaft engine' [patent_app_type] => 1 [patent_app_number] => 7/675612 [patent_app_country] => US [patent_app_date] => 1991-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4894 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/181/05181485.pdf [firstpage_image] =>[orig_patent_app_number] => 675612 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/675612
Valve driving mechanism for double overhead camshaft engine Mar 26, 1991 Issued
Array ( [id] => 2837333 [patent_doc_number] => 05133313 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-28 [patent_title] => 'Baffle plate structure fitted to engine block' [patent_app_type] => 1 [patent_app_number] => 7/675615 [patent_app_country] => US [patent_app_date] => 1991-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2441 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/133/05133313.pdf [firstpage_image] =>[orig_patent_app_number] => 675615 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/675615
Baffle plate structure fitted to engine block Mar 26, 1991 Issued
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