Search

Weilun Lo

Supervisory Patent Examiner (ID: 6938, Phone: (571)272-4847 , Office: P/2179 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4169015 [patent_doc_number] => 06092496 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Cold starting method for diesel engine with variable valve timing' [patent_app_type] => 1 [patent_app_number] => 9/146911 [patent_app_country] => US [patent_app_date] => 1998-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5417 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/092/06092496.pdf [firstpage_image] =>[orig_patent_app_number] => 146911 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/146911
Cold starting method for diesel engine with variable valve timing Sep 3, 1998 Issued
Array ( [id] => 4169000 [patent_doc_number] => 06092495 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Method of controlling electronically controlled valves to prevent interference between the valves and a piston' [patent_app_type] => 1 [patent_app_number] => 9/146607 [patent_app_country] => US [patent_app_date] => 1998-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6369 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/092/06092495.pdf [firstpage_image] =>[orig_patent_app_number] => 146607 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/146607
Method of controlling electronically controlled valves to prevent interference between the valves and a piston Sep 2, 1998 Issued
Array ( [id] => 4150102 [patent_doc_number] => 06082315 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-04 [patent_title] => 'Electromagnetic valve actuator' [patent_app_type] => 1 [patent_app_number] => 9/146738 [patent_app_country] => US [patent_app_date] => 1998-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4385 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/082/06082315.pdf [firstpage_image] =>[orig_patent_app_number] => 146738 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/146738
Electromagnetic valve actuator Sep 2, 1998 Issued
Array ( [id] => 4078556 [patent_doc_number] => 06098580 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Variable valve actuator apparatus' [patent_app_type] => 1 [patent_app_number] => 9/145224 [patent_app_country] => US [patent_app_date] => 1998-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3761 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/098/06098580.pdf [firstpage_image] =>[orig_patent_app_number] => 145224 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/145224
Variable valve actuator apparatus Aug 31, 1998 Issued
Array ( [id] => 4043115 [patent_doc_number] => 06006710 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Hydraulic lash adjuster mechanism with pressure controlled leak down' [patent_app_type] => 1 [patent_app_number] => 9/144612 [patent_app_country] => US [patent_app_date] => 1998-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2898 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/006/06006710.pdf [firstpage_image] =>[orig_patent_app_number] => 144612 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/144612
Hydraulic lash adjuster mechanism with pressure controlled leak down Aug 30, 1998 Issued
Array ( [id] => 4062527 [patent_doc_number] => 06053134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Cam operating system' [patent_app_type] => 1 [patent_app_number] => 9/143681 [patent_app_country] => US [patent_app_date] => 1998-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10710 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/053/06053134.pdf [firstpage_image] =>[orig_patent_app_number] => 143681 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/143681
Cam operating system Aug 27, 1998 Issued
Array ( [id] => 1516622 [patent_doc_number] => 06412457 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-02 [patent_title] => 'Engine valve actuator with valve seating control' [patent_app_type] => B1 [patent_app_number] => 09/143403 [patent_app_country] => US [patent_app_date] => 1998-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 27 [patent_no_of_words] => 9373 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/412/06412457.pdf [firstpage_image] =>[orig_patent_app_number] => 09143403 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/143403
Engine valve actuator with valve seating control Aug 27, 1998 Issued
Array ( [id] => 3953704 [patent_doc_number] => 05947067 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Valve timing adjustment device' [patent_app_type] => 1 [patent_app_number] => 9/139666 [patent_app_country] => US [patent_app_date] => 1998-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2671 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/947/05947067.pdf [firstpage_image] =>[orig_patent_app_number] => 139666 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/139666
Valve timing adjustment device Aug 24, 1998 Issued
Array ( [id] => 4001848 [patent_doc_number] => 05992360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-30 [patent_title] => 'Valve drive for gas exchange valves of internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 9/125805 [patent_app_country] => US [patent_app_date] => 1998-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1763 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/992/05992360.pdf [firstpage_image] =>[orig_patent_app_number] => 125805 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/125805
Valve drive for gas exchange valves of internal combustion engines Aug 23, 1998 Issued
Array ( [id] => 4021320 [patent_doc_number] => 05967105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Hydraulic lash adjuster with an open ended top plunger surface' [patent_app_type] => 1 [patent_app_number] => 9/138738 [patent_app_country] => US [patent_app_date] => 1998-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2988 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/967/05967105.pdf [firstpage_image] =>[orig_patent_app_number] => 138738 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/138738
Hydraulic lash adjuster with an open ended top plunger surface Aug 23, 1998 Issued
Array ( [id] => 4030663 [patent_doc_number] => 05931132 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Hydraulic lash adjuster with pressure relief check valve' [patent_app_type] => 1 [patent_app_number] => 9/138742 [patent_app_country] => US [patent_app_date] => 1998-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2478 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931132.pdf [firstpage_image] =>[orig_patent_app_number] => 138742 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/138742
Hydraulic lash adjuster with pressure relief check valve Aug 23, 1998 Issued
Array ( [id] => 4088618 [patent_doc_number] => 06055950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'Arrangement for controlling a device for changing the valve timing of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/138225 [patent_app_country] => US [patent_app_date] => 1998-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5306 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055950.pdf [firstpage_image] =>[orig_patent_app_number] => 138225 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/138225
Arrangement for controlling a device for changing the valve timing of an internal combustion engine Aug 20, 1998 Issued
Array ( [id] => 4053709 [patent_doc_number] => 05964193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-12 [patent_title] => 'Synchronous hydraulic lash adjuster' [patent_app_type] => 1 [patent_app_number] => 9/137106 [patent_app_country] => US [patent_app_date] => 1998-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2333 [patent_no_of_claims] => 5 [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/05/964/05964193.pdf [firstpage_image] =>[orig_patent_app_number] => 137106 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/137106
Synchronous hydraulic lash adjuster Aug 19, 1998 Issued
Array ( [id] => 4191226 [patent_doc_number] => 06109228 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Valve lifter' [patent_app_type] => 1 [patent_app_number] => 9/134815 [patent_app_country] => US [patent_app_date] => 1998-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1919 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/109/06109228.pdf [firstpage_image] =>[orig_patent_app_number] => 134815 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/134815
Valve lifter Aug 16, 1998 Issued
Array ( [id] => 4069865 [patent_doc_number] => 06016778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Magnet valve, in particular for inlet and outlet valves of internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 9/133890 [patent_app_country] => US [patent_app_date] => 1998-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2319 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/016/06016778.pdf [firstpage_image] =>[orig_patent_app_number] => 133890 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/133890
Magnet valve, in particular for inlet and outlet valves of internal combustion engines Aug 13, 1998 Issued
Array ( [id] => 4205560 [patent_doc_number] => 06009841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Internal combustion engine having hybrid cylinder valve actuation system' [patent_app_type] => 1 [patent_app_number] => 9/131796 [patent_app_country] => US [patent_app_date] => 1998-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1526 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/009/06009841.pdf [firstpage_image] =>[orig_patent_app_number] => 131796 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/131796
Internal combustion engine having hybrid cylinder valve actuation system Aug 9, 1998 Issued
Array ( [id] => 3914064 [patent_doc_number] => 05988125 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Variable valve actuation apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 9/130490 [patent_app_country] => US [patent_app_date] => 1998-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 31 [patent_no_of_words] => 7727 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/988/05988125.pdf [firstpage_image] =>[orig_patent_app_number] => 130490 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/130490
Variable valve actuation apparatus for engine Aug 6, 1998 Issued
Array ( [id] => 4110145 [patent_doc_number] => 06032628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Camshaft drive for four cycle outboard motor' [patent_app_type] => 1 [patent_app_number] => 9/130409 [patent_app_country] => US [patent_app_date] => 1998-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 4388 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/032/06032628.pdf [firstpage_image] =>[orig_patent_app_number] => 130409 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/130409
Camshaft drive for four cycle outboard motor Aug 5, 1998 Issued
Array ( [id] => 4164051 [patent_doc_number] => 06019076 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-01 [patent_title] => 'Variable valve timing mechanism' [patent_app_type] => 1 [patent_app_number] => 9/129270 [patent_app_country] => US [patent_app_date] => 1998-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3072 [patent_no_of_claims] => 8 [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/06/019/06019076.pdf [firstpage_image] =>[orig_patent_app_number] => 129270 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/129270
Variable valve timing mechanism Aug 4, 1998 Issued
Array ( [id] => 4043082 [patent_doc_number] => 06006708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Valve timing controlling apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/129610 [patent_app_country] => US [patent_app_date] => 1998-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8059 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 376 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/006/06006708.pdf [firstpage_image] =>[orig_patent_app_number] => 129610 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/129610
Valve timing controlling apparatus for internal combustion engine Aug 4, 1998 Issued
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