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] => 4066127 [patent_doc_number] => 06161511 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-19 [patent_title] => 'Intake/exhaust valve open/close timing control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/417111 [patent_app_country] => US [patent_app_date] => 1999-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 18235 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/161/06161511.pdf [firstpage_image] =>[orig_patent_app_number] => 417111 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/417111
Intake/exhaust valve open/close timing control system for internal combustion engine Oct 12, 1999 Issued
Array ( [id] => 4340800 [patent_doc_number] => 06173689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Lubrication arrangement for engine valve actuation' [patent_app_type] => 1 [patent_app_number] => 9/416242 [patent_app_country] => US [patent_app_date] => 1999-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 4624 [patent_no_of_claims] => 12 [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/06/173/06173689.pdf [firstpage_image] =>[orig_patent_app_number] => 416242 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/416242
Lubrication arrangement for engine valve actuation Oct 11, 1999 Issued
Array ( [id] => 4407057 [patent_doc_number] => 06176211 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-23 [patent_title] => 'Push rod cover arrangement for engines' [patent_app_type] => 1 [patent_app_number] => 9/415663 [patent_app_country] => US [patent_app_date] => 1999-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 4281 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/176/06176211.pdf [firstpage_image] =>[orig_patent_app_number] => 415663 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/415663
Push rod cover arrangement for engines Oct 11, 1999 Issued
Array ( [id] => 4360500 [patent_doc_number] => 06276323 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Valve drive mechanism for DOHC engine' [patent_app_type] => 1 [patent_app_number] => 9/415978 [patent_app_country] => US [patent_app_date] => 1999-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3130 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/276/06276323.pdf [firstpage_image] =>[orig_patent_app_number] => 415978 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/415978
Valve drive mechanism for DOHC engine Oct 11, 1999 Issued
Array ( [id] => 4384783 [patent_doc_number] => 06170450 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Hydraulic tappet with controlled lift loss' [patent_app_type] => 1 [patent_app_number] => 9/416163 [patent_app_country] => US [patent_app_date] => 1999-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2389 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/170/06170450.pdf [firstpage_image] =>[orig_patent_app_number] => 416163 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/416163
Hydraulic tappet with controlled lift loss Oct 10, 1999 Issued
Array ( [id] => 4279939 [patent_doc_number] => 06186104 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Variable valve timing controlling apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/414640 [patent_app_country] => US [patent_app_date] => 1999-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 30 [patent_no_of_words] => 7446 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/186/06186104.pdf [firstpage_image] =>[orig_patent_app_number] => 414640 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/414640
Variable valve timing controlling apparatus for internal combustion engine Oct 7, 1999 Issued
Array ( [id] => 4384740 [patent_doc_number] => 06170447 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Inner seal for a camshaft adjusting device in an internal combustion engine, specially a blade cell adjusting device' [patent_app_type] => 1 [patent_app_number] => 9/402865 [patent_app_country] => US [patent_app_date] => 1999-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2802 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/170/06170447.pdf [firstpage_image] =>[orig_patent_app_number] => 402865 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/402865
Inner seal for a camshaft adjusting device in an internal combustion engine, specially a blade cell adjusting device Oct 7, 1999 Issued
Array ( [id] => 4399959 [patent_doc_number] => 06192842 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Valve timing control apparatus of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/413394 [patent_app_country] => US [patent_app_date] => 1999-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6295 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/192/06192842.pdf [firstpage_image] =>[orig_patent_app_number] => 413394 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/413394
Valve timing control apparatus of an internal combustion engine Oct 5, 1999 Issued
Array ( [id] => 4386616 [patent_doc_number] => 06227155 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Structure for lubricating cam shaft in multi-cylinder engine' [patent_app_type] => 1 [patent_app_number] => 9/412308 [patent_app_country] => US [patent_app_date] => 1999-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 18284 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/227/06227155.pdf [firstpage_image] =>[orig_patent_app_number] => 412308 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/412308
Structure for lubricating cam shaft in multi-cylinder engine Oct 4, 1999 Issued
Array ( [id] => 4304911 [patent_doc_number] => 06318320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Multi-cylinder engine for vehicle' [patent_app_type] => 1 [patent_app_number] => 9/412310 [patent_app_country] => US [patent_app_date] => 1999-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 17644 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/318/06318320.pdf [firstpage_image] =>[orig_patent_app_number] => 412310 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/412310
Multi-cylinder engine for vehicle Oct 4, 1999 Issued
Array ( [id] => 4291178 [patent_doc_number] => 06240887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-05 [patent_title] => 'Multi-cylinder engine' [patent_app_type] => 1 [patent_app_number] => 9/413187 [patent_app_country] => US [patent_app_date] => 1999-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 17586 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/240/06240887.pdf [firstpage_image] =>[orig_patent_app_number] => 413187 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/413187
Multi-cylinder engine Oct 4, 1999 Issued
Array ( [id] => 4271933 [patent_doc_number] => 06182620 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Internal combustion engine with electromagnetically actuated valves' [patent_app_type] => 1 [patent_app_number] => 9/409880 [patent_app_country] => US [patent_app_date] => 1999-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2116 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/182/06182620.pdf [firstpage_image] =>[orig_patent_app_number] => 409880 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/409880
Internal combustion engine with electromagnetically actuated valves Sep 30, 1999 Issued
Array ( [id] => 4108983 [patent_doc_number] => 06119643 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-19 [patent_title] => 'Tappet for a valve train of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/409029 [patent_app_country] => US [patent_app_date] => 1999-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2790 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 441 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/119/06119643.pdf [firstpage_image] =>[orig_patent_app_number] => 409029 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/409029
Tappet for a valve train of an internal combustion engine Sep 28, 1999 Issued
Array ( [id] => 4384769 [patent_doc_number] => 06170449 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Valve operating system for engine' [patent_app_type] => 1 [patent_app_number] => 9/406187 [patent_app_country] => US [patent_app_date] => 1999-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 4853 [patent_no_of_claims] => 7 [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/06/170/06170449.pdf [firstpage_image] =>[orig_patent_app_number] => 406187 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/406187
Valve operating system for engine Sep 26, 1999 Issued
Array ( [id] => 4211142 [patent_doc_number] => 06164255 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-26 [patent_title] => 'Switchable cam follower' [patent_app_type] => 1 [patent_app_number] => 9/401904 [patent_app_country] => US [patent_app_date] => 1999-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3031 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 456 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/164/06164255.pdf [firstpage_image] =>[orig_patent_app_number] => 401904 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/401904
Switchable cam follower Sep 22, 1999 Issued
Array ( [id] => 4211170 [patent_doc_number] => 06164257 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-26 [patent_title] => 'Oil passage construction for an engine with an oil pressure control device' [patent_app_type] => 1 [patent_app_number] => 9/401902 [patent_app_country] => US [patent_app_date] => 1999-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4715 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/164/06164257.pdf [firstpage_image] =>[orig_patent_app_number] => 401902 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/401902
Oil passage construction for an engine with an oil pressure control device Sep 22, 1999 Issued
Array ( [id] => 4263096 [patent_doc_number] => 06209499 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Retainer groove and variable resistance assembly' [patent_app_type] => 1 [patent_app_number] => 9/399463 [patent_app_country] => US [patent_app_date] => 1999-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3491 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/209/06209499.pdf [firstpage_image] =>[orig_patent_app_number] => 399463 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/399463
Retainer groove and variable resistance assembly Sep 19, 1999 Issued
Array ( [id] => 1489202 [patent_doc_number] => 06401676 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-11 [patent_title] => 'Valve device having valve resting mechanism used for internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 09/395161 [patent_app_country] => US [patent_app_date] => 1999-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3254 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/401/06401676.pdf [firstpage_image] =>[orig_patent_app_number] => 09395161 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/395161
Valve device having valve resting mechanism used for internal combustion engine Sep 13, 1999 Issued
Array ( [id] => 4304816 [patent_doc_number] => 06318313 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Variable performance valve train having three-dimensional cam' [patent_app_type] => 1 [patent_app_number] => 9/394529 [patent_app_country] => US [patent_app_date] => 1999-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 53 [patent_no_of_words] => 15086 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/318/06318313.pdf [firstpage_image] =>[orig_patent_app_number] => 394529 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/394529
Variable performance valve train having three-dimensional cam Sep 9, 1999 Issued
Array ( [id] => 1434613 [patent_doc_number] => 06354253 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => 'Solenoid valve device' [patent_app_type] => B1 [patent_app_number] => 09/388341 [patent_app_country] => US [patent_app_date] => 1999-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 44 [patent_no_of_words] => 24473 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/354/06354253.pdf [firstpage_image] =>[orig_patent_app_number] => 09388341 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/388341
Solenoid valve device Aug 31, 1999 Issued
Menu