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] => 4134843 [patent_doc_number] => 06155216 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Variable valve apparatus' [patent_app_type] => 1 [patent_app_number] => 9/012958 [patent_app_country] => US [patent_app_date] => 1998-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 1883 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/155/06155216.pdf [firstpage_image] =>[orig_patent_app_number] => 012958 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/012958
Variable valve apparatus Jan 25, 1998 Issued
09/010829 VALVE LIFTER Jan 21, 1998 Issued
Array ( [id] => 4030599 [patent_doc_number] => 05931128 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Variable valve mechanism and internal combustion engine with the same' [patent_app_type] => 1 [patent_app_number] => 9/010623 [patent_app_country] => US [patent_app_date] => 1998-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 41 [patent_no_of_words] => 17434 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931128.pdf [firstpage_image] =>[orig_patent_app_number] => 010623 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/010623
Variable valve mechanism and internal combustion engine with the same Jan 21, 1998 Issued
Array ( [id] => 4011316 [patent_doc_number] => 05901675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-11 [patent_title] => 'Valve operating apparatus of DOHC' [patent_app_type] => 1 [patent_app_number] => 9/009938 [patent_app_country] => US [patent_app_date] => 1998-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2451 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/901/05901675.pdf [firstpage_image] =>[orig_patent_app_number] => 009938 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/009938
Valve operating apparatus of DOHC Jan 20, 1998 Issued
Array ( [id] => 3930684 [patent_doc_number] => 05934235 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Camshaft support arrangement in the cylinder head of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/009029 [patent_app_country] => US [patent_app_date] => 1998-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1013 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/934/05934235.pdf [firstpage_image] =>[orig_patent_app_number] => 009029 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/009029
Camshaft support arrangement in the cylinder head of an internal combustion engine Jan 19, 1998 Issued
Array ( [id] => 4030584 [patent_doc_number] => 05931127 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Variable valve timing mechanism for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/007563 [patent_app_country] => US [patent_app_date] => 1998-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1488 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931127.pdf [firstpage_image] =>[orig_patent_app_number] => 007563 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/007563
Variable valve timing mechanism for an internal combustion engine Jan 14, 1998 Issued
09/007354 DEVICE FOR VARYING THE VALVE CONTROL TIMING OF AN INTERNAL COMBUSTION ENGINE, ESPECIALLY CAMSHAFT SETTING MECHANISM ACCORDING TO THE VANE CELL PRINCIPLE Jan 14, 1998 Issued
09/005632 ENGINE VALVE ACTUATION CONTROL SYSTEM Jan 8, 1998 Issued
Array ( [id] => 3909923 [patent_doc_number] => 05937805 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Apparatus and method for controlling valve timing of engine' [patent_app_type] => 1 [patent_app_number] => 9/002708 [patent_app_country] => US [patent_app_date] => 1998-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 10384 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937805.pdf [firstpage_image] =>[orig_patent_app_number] => 002708 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/002708
Apparatus and method for controlling valve timing of engine Jan 4, 1998 Issued
Array ( [id] => 3908269 [patent_doc_number] => 05979381 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Valve gear mechanism for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/983005 [patent_app_country] => US [patent_app_date] => 1997-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 25 [patent_no_of_words] => 4231 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/979/05979381.pdf [firstpage_image] =>[orig_patent_app_number] => 983005 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/983005
Valve gear mechanism for an internal combustion engine Dec 30, 1997 Issued
Array ( [id] => 3914093 [patent_doc_number] => 05988127 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Valve lifter structure' [patent_app_type] => 1 [patent_app_number] => 9/001222 [patent_app_country] => US [patent_app_date] => 1997-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1648 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/988/05988127.pdf [firstpage_image] =>[orig_patent_app_number] => 001222 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/001222
Valve lifter structure Dec 29, 1997 Issued
Array ( [id] => 3928203 [patent_doc_number] => 05954019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-21 [patent_title] => 'Variable valve timing arrangement for engine' [patent_app_type] => 1 [patent_app_number] => 8/998884 [patent_app_country] => US [patent_app_date] => 1997-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3680 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/954/05954019.pdf [firstpage_image] =>[orig_patent_app_number] => 998884 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/998884
Variable valve timing arrangement for engine Dec 28, 1997 Issued
Array ( [id] => 4005026 [patent_doc_number] => 05881690 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-16 [patent_title] => 'System for variably controlling operation of an intake/exhaust valve for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/994779 [patent_app_country] => US [patent_app_date] => 1997-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6647 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/881/05881690.pdf [firstpage_image] =>[orig_patent_app_number] => 994779 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/994779
System for variably controlling operation of an intake/exhaust valve for an internal combustion engine Dec 18, 1997 Issued
Array ( [id] => 3942514 [patent_doc_number] => 05899181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Valve train in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/994017 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 26 [patent_no_of_words] => 7881 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/899/05899181.pdf [firstpage_image] =>[orig_patent_app_number] => 994017 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/994017
Valve train in internal combustion engine Dec 17, 1997 Issued
Array ( [id] => 3993351 [patent_doc_number] => 05878704 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Electromagnetic actuator, including sound muffling means, for operating a cylinder valve' [patent_app_type] => 1 [patent_app_number] => 8/993712 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2497 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/878/05878704.pdf [firstpage_image] =>[orig_patent_app_number] => 993712 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/993712
Electromagnetic actuator, including sound muffling means, for operating a cylinder valve Dec 17, 1997 Issued
Array ( [id] => 3910024 [patent_doc_number] => 05937812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Camshaft for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/993307 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5744 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937812.pdf [firstpage_image] =>[orig_patent_app_number] => 993307 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/993307
Camshaft for internal combustion engines Dec 17, 1997 Issued
Array ( [id] => 3787872 [patent_doc_number] => 05809956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-22 [patent_title] => 'Mini roller arrangement for valve train mechanism' [patent_app_type] => 1 [patent_app_number] => 8/992076 [patent_app_country] => US [patent_app_date] => 1997-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 6144 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/809/05809956.pdf [firstpage_image] =>[orig_patent_app_number] => 992076 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992076
Mini roller arrangement for valve train mechanism Dec 16, 1997 Issued
Array ( [id] => 3818170 [patent_doc_number] => 05845615 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-08 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 8/989665 [patent_app_country] => US [patent_app_date] => 1997-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 8162 [patent_no_of_claims] => 10 [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/05/845/05845615.pdf [firstpage_image] =>[orig_patent_app_number] => 989665 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/989665
Valve timing control device Dec 11, 1997 Issued
Array ( [id] => 4027774 [patent_doc_number] => 05868108 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'Method for controlling an electromagnetic actuator operating an engine valve' [patent_app_type] => 1 [patent_app_number] => 8/989264 [patent_app_country] => US [patent_app_date] => 1997-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5344 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/868/05868108.pdf [firstpage_image] =>[orig_patent_app_number] => 989264 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/989264
Method for controlling an electromagnetic actuator operating an engine valve Dec 10, 1997 Issued
Array ( [id] => 3779469 [patent_doc_number] => 05826552 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-27 [patent_title] => 'Variable valve timing device' [patent_app_type] => 1 [patent_app_number] => 8/988668 [patent_app_country] => US [patent_app_date] => 1997-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4282 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/826/05826552.pdf [firstpage_image] =>[orig_patent_app_number] => 988668 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/988668
Variable valve timing device Dec 10, 1997 Issued
Menu