Search

Weilun Lo

Supervisory Patent Examiner (ID: 118, Phone: (571)272-4847 , Office: P/2179 )

Most Active Art Unit
3402
Art Unit(s)
3402, 3747, 3723, 3748, 2179, 3761, 2899
Total Applications
2327
Issued Applications
2049
Pending Applications
47
Abandoned Applications
231

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4078571 [patent_doc_number] => 06098581 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Variable valve control for piston internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/173388 [patent_app_country] => US [patent_app_date] => 1998-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2703 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/098/06098581.pdf [firstpage_image] =>[orig_patent_app_number] => 173388 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/173388
Variable valve control for piston internal combustion engine Oct 14, 1998 Issued
Array ( [id] => 4062541 [patent_doc_number] => 06053135 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Variable valve timing mechanism' [patent_app_type] => 1 [patent_app_number] => 9/167347 [patent_app_country] => US [patent_app_date] => 1998-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 25 [patent_no_of_words] => 4773 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/053/06053135.pdf [firstpage_image] =>[orig_patent_app_number] => 167347 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/167347
Variable valve timing mechanism Oct 6, 1998 Issued
Array ( [id] => 4334623 [patent_doc_number] => 06199525 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Camshaft drive for engine' [patent_app_type] => 1 [patent_app_number] => 9/166062 [patent_app_country] => US [patent_app_date] => 1998-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2376 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/199/06199525.pdf [firstpage_image] =>[orig_patent_app_number] => 166062 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/166062
Camshaft drive for engine Oct 1, 1998 Issued
Array ( [id] => 3953717 [patent_doc_number] => 05947068 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Four-stroke cycle internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/164369 [patent_app_country] => US [patent_app_date] => 1998-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4470 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/947/05947068.pdf [firstpage_image] =>[orig_patent_app_number] => 164369 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/164369
Four-stroke cycle internal combustion engine Sep 30, 1998 Issued
Array ( [id] => 3914078 [patent_doc_number] => 05988126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Device for varying valve timing of gas exchange valves of external combustion engines' [patent_app_type] => 1 [patent_app_number] => 9/164548 [patent_app_country] => US [patent_app_date] => 1998-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2828 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/988/05988126.pdf [firstpage_image] =>[orig_patent_app_number] => 164548 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/164548
Device for varying valve timing of gas exchange valves of external combustion engines Sep 30, 1998 Issued
Array ( [id] => 4340756 [patent_doc_number] => 06173686 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/162000 [patent_app_country] => US [patent_app_date] => 1998-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2781 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/173/06173686.pdf [firstpage_image] =>[orig_patent_app_number] => 162000 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/162000
Valve timing control device Sep 28, 1998 Issued
Array ( [id] => 4200638 [patent_doc_number] => 06039015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-21 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/161468 [patent_app_country] => US [patent_app_date] => 1998-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2863 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/039/06039015.pdf [firstpage_image] =>[orig_patent_app_number] => 161468 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/161468
Valve timing control device Sep 27, 1998 Issued
Array ( [id] => 3982426 [patent_doc_number] => 06003483 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Yoke mount rocker arm' [patent_app_type] => 1 [patent_app_number] => 9/159538 [patent_app_country] => US [patent_app_date] => 1998-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1013 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/003/06003483.pdf [firstpage_image] =>[orig_patent_app_number] => 159538 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/159538
Yoke mount rocker arm Sep 22, 1998 Issued
Array ( [id] => 4078586 [patent_doc_number] => 06098582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Four-stroke cycle internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/158153 [patent_app_country] => US [patent_app_date] => 1998-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3726 [patent_no_of_claims] => 12 [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/06/098/06098582.pdf [firstpage_image] =>[orig_patent_app_number] => 158153 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/158153
Four-stroke cycle internal combustion engine Sep 21, 1998 Issued
Array ( [id] => 3914122 [patent_doc_number] => 05988129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Engine lubrication system' [patent_app_type] => 1 [patent_app_number] => 9/157873 [patent_app_country] => US [patent_app_date] => 1998-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1273 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/988/05988129.pdf [firstpage_image] =>[orig_patent_app_number] => 157873 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/157873
Engine lubrication system Sep 20, 1998 Issued
Array ( [id] => 4191212 [patent_doc_number] => 06109227 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Torsionally compliant sprocket system for balance shaft drive' [patent_app_type] => 1 [patent_app_number] => 9/154814 [patent_app_country] => US [patent_app_date] => 1998-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2347 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/109/06109227.pdf [firstpage_image] =>[orig_patent_app_number] => 154814 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/154814
Torsionally compliant sprocket system for balance shaft drive Sep 16, 1998 Issued
Array ( [id] => 4145366 [patent_doc_number] => 06138622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-31 [patent_title] => 'Device for adjusting the phase angle of a camshaft of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/154316 [patent_app_country] => US [patent_app_date] => 1998-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2408 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/138/06138622.pdf [firstpage_image] =>[orig_patent_app_number] => 154316 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/154316
Device for adjusting the phase angle of a camshaft of an internal combustion engine Sep 15, 1998 Issued
Array ( [id] => 3908284 [patent_doc_number] => 05979382 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Device for adjusting the phase angle of a camshaft of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/154337 [patent_app_country] => US [patent_app_date] => 1998-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1914 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/979/05979382.pdf [firstpage_image] =>[orig_patent_app_number] => 154337 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/154337
Device for adjusting the phase angle of a camshaft of an internal combustion engine Sep 15, 1998 Issued
Array ( [id] => 4191175 [patent_doc_number] => 06109224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Valve timing control apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/152269 [patent_app_country] => US [patent_app_date] => 1998-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 26 [patent_no_of_words] => 11813 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/109/06109224.pdf [firstpage_image] =>[orig_patent_app_number] => 152269 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/152269
Valve timing control apparatus for an internal combustion engine Sep 13, 1998 Issued
Array ( [id] => 4124431 [patent_doc_number] => 06014952 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-18 [patent_title] => 'Valve timing control apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/152270 [patent_app_country] => US [patent_app_date] => 1998-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 6900 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014952.pdf [firstpage_image] =>[orig_patent_app_number] => 152270 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/152270
Valve timing control apparatus for an internal combustion engine Sep 13, 1998 Issued
Array ( [id] => 4103554 [patent_doc_number] => 06125804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Variable valve lift device' [patent_app_type] => 1 [patent_app_number] => 9/151668 [patent_app_country] => US [patent_app_date] => 1998-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3655 [patent_no_of_claims] => 10 [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/06/125/06125804.pdf [firstpage_image] =>[orig_patent_app_number] => 151668 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/151668
Variable valve lift device Sep 10, 1998 Issued
Array ( [id] => 4110190 [patent_doc_number] => 06032631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Tappet for a valve train of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/117548 [patent_app_country] => US [patent_app_date] => 1998-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2793 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/032/06032631.pdf [firstpage_image] =>[orig_patent_app_number] => 117548 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/117548
Tappet for a valve train of an internal combustion engine Sep 10, 1998 Issued
Array ( [id] => 3975068 [patent_doc_number] => 05921210 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Tappet assembly for the valve train of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/151049 [patent_app_country] => US [patent_app_date] => 1998-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4380 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/921/05921210.pdf [firstpage_image] =>[orig_patent_app_number] => 151049 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/151049
Tappet assembly for the valve train of an internal combustion engine Sep 9, 1998 Issued
Array ( [id] => 4094897 [patent_doc_number] => 06044815 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Hydraulically-assisted engine valve actuator' [patent_app_type] => 1 [patent_app_number] => 9/152497 [patent_app_country] => US [patent_app_date] => 1998-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 5588 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/044/06044815.pdf [firstpage_image] =>[orig_patent_app_number] => 152497 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/152497
Hydraulically-assisted engine valve actuator Sep 8, 1998 Issued
Array ( [id] => 4081445 [patent_doc_number] => 06047674 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-11 [patent_title] => 'Valve timing control apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/150029 [patent_app_country] => US [patent_app_date] => 1998-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 13317 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/047/06047674.pdf [firstpage_image] =>[orig_patent_app_number] => 150029 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/150029
Valve timing control apparatus for internal combustion engine Sep 8, 1998 Issued
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