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] => 1570316 [patent_doc_number] => 06467446 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-10-22 [patent_title] => 'Variable valve timing system for vehicle' [patent_app_type] => B2 [patent_app_number] => 09/751304 [patent_app_country] => US [patent_app_date] => 2000-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2328 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/467/06467446.pdf [firstpage_image] =>[orig_patent_app_number] => 09751304 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/751304
Variable valve timing system for vehicle Dec 28, 2000 Issued
Array ( [id] => 1511068 [patent_doc_number] => 06418898 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-07-16 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/745992 [patent_app_country] => US [patent_app_date] => 2000-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 8547 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/418/06418898.pdf [firstpage_image] =>[orig_patent_app_number] => 09745992 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/745992
Valve operating system in internal combustion engine Dec 25, 2000 Issued
Array ( [id] => 1550104 [patent_doc_number] => 06347606 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-19 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 09/745993 [patent_app_country] => US [patent_app_date] => 2000-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8517 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/347/06347606.pdf [firstpage_image] =>[orig_patent_app_number] => 09745993 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/745993
Valve operating system in internal combustion engine Dec 25, 2000 Issued
Array ( [id] => 6919992 [patent_doc_number] => 20010027764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-10-11 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/746063 [patent_app_country] => US [patent_app_date] => 2000-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8231 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0027/20010027764.pdf [firstpage_image] =>[orig_patent_app_number] => 09746063 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/746063
Valve operating system in internal combustion engine Dec 25, 2000 Issued
Array ( [id] => 6892821 [patent_doc_number] => 20010015187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-23 [patent_title] => 'Valve operating system in internal combusiton engine' [patent_app_type] => new [patent_app_number] => 09/745991 [patent_app_country] => US [patent_app_date] => 2000-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11036 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0015/20010015187.pdf [firstpage_image] =>[orig_patent_app_number] => 09745991 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/745991
Valve operating system in internal combustion engine Dec 25, 2000 Issued
Array ( [id] => 6894821 [patent_doc_number] => 20010025611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-10-04 [patent_title] => 'Method for starting an electromechanical regulating device especially designed for controlling the charge cycle in an internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/748808 [patent_app_country] => US [patent_app_date] => 2000-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2314 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20010025611.pdf [firstpage_image] =>[orig_patent_app_number] => 09748808 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/748808
Method for starting an electromechanical regulating device especially designed for controlling the charge cycle in an internal combustion engine Dec 25, 2000 Issued
Array ( [id] => 1472851 [patent_doc_number] => 06450137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-09-17 [patent_title] => 'Variable valve timing system' [patent_app_type] => B2 [patent_app_number] => 09/745737 [patent_app_country] => US [patent_app_date] => 2000-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 8201 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/450/06450137.pdf [firstpage_image] =>[orig_patent_app_number] => 09745737 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/745737
Variable valve timing system Dec 25, 2000 Issued
Array ( [id] => 1597338 [patent_doc_number] => 06431135 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-13 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 09/745844 [patent_app_country] => US [patent_app_date] => 2000-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8476 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/431/06431135.pdf [firstpage_image] =>[orig_patent_app_number] => 09745844 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/745844
Valve operating system in internal combustion engine Dec 25, 2000 Issued
Array ( [id] => 1483025 [patent_doc_number] => 06427654 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-08-06 [patent_title] => 'Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type' [patent_app_type] => B2 [patent_app_number] => 09/746218 [patent_app_country] => US [patent_app_date] => 2000-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3329 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/427/06427654.pdf [firstpage_image] =>[orig_patent_app_number] => 09746218 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/746218
Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type Dec 21, 2000 Issued
Array ( [id] => 6878629 [patent_doc_number] => 20010029914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-10-18 [patent_title] => 'Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type' [patent_app_type] => new [patent_app_number] => 09/747076 [patent_app_country] => US [patent_app_date] => 2000-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3317 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0029/20010029914.pdf [firstpage_image] =>[orig_patent_app_number] => 09747076 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/747076
Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type Dec 21, 2000 Issued
Array ( [id] => 7104465 [patent_doc_number] => 20010003973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-06-21 [patent_title] => 'Variable-valve-actuation apparatus for internal combustion engine' [patent_app_type] => new-utility [patent_app_number] => 09/741068 [patent_app_country] => US [patent_app_date] => 2000-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7624 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0003/20010003973.pdf [firstpage_image] =>[orig_patent_app_number] => 09741068 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/741068
Variable-valve-actuation apparatus for internal combustion engine Dec 20, 2000 Issued
Array ( [id] => 6875895 [patent_doc_number] => 20010006048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-07-05 [patent_title] => 'Method for estimating the end-of-stroke positions of moving members of electromagnetic actuators for the actuation of intake and exhaust valves in internal combustion engines' [patent_app_type] => new-utility [patent_app_number] => 09/739799 [patent_app_country] => US [patent_app_date] => 2000-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3033 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0006/20010006048.pdf [firstpage_image] =>[orig_patent_app_number] => 09739799 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/739799
Method for estimating the end-of-stroke positions of moving members of electromagnetic actuators for the actuation of intake and exhaust valves in internal combustion engines Dec 19, 2000 Issued
Array ( [id] => 7104492 [patent_doc_number] => 20010003974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-06-21 [patent_title] => 'Valve timing adjuster for internal combustion engine' [patent_app_type] => new-utility [patent_app_number] => 09/736363 [patent_app_country] => US [patent_app_date] => 2000-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3219 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0003/20010003974.pdf [firstpage_image] =>[orig_patent_app_number] => 09736363 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/736363
Valve timing adjuster for internal combustion engine Dec 14, 2000 Issued
Array ( [id] => 7039722 [patent_doc_number] => 20010004884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-06-28 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => new-utility [patent_app_number] => 09/735480 [patent_app_country] => US [patent_app_date] => 2000-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5971 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0004/20010004884.pdf [firstpage_image] =>[orig_patent_app_number] => 09735480 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/735480
Valve timing control system for internal combustion engine Dec 13, 2000 Issued
Array ( [id] => 7039721 [patent_doc_number] => 20010004883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-06-28 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => new-utility [patent_app_number] => 09/733909 [patent_app_country] => US [patent_app_date] => 2000-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5038 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0004/20010004883.pdf [firstpage_image] =>[orig_patent_app_number] => 09733909 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/733909
Valve timing control system for internal combustion engine Dec 11, 2000 Issued
Array ( [id] => 6875894 [patent_doc_number] => 20010006047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-07-05 [patent_title] => 'Valve-open-close mechanism' [patent_app_type] => new-utility [patent_app_number] => 09/731818 [patent_app_country] => US [patent_app_date] => 2000-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9066 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0006/20010006047.pdf [firstpage_image] =>[orig_patent_app_number] => 09731818 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/731818
Valve-open-close mechanism Dec 7, 2000 Issued
Array ( [id] => 1443008 [patent_doc_number] => 06367433 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-04-09 [patent_title] => 'Electromagnetic actuator and valve-open-close mechanism' [patent_app_type] => B2 [patent_app_number] => 09/731027 [patent_app_country] => US [patent_app_date] => 2000-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 10031 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/367/06367433.pdf [firstpage_image] =>[orig_patent_app_number] => 09731027 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/731027
Electromagnetic actuator and valve-open-close mechanism Dec 6, 2000 Issued
Array ( [id] => 4285287 [patent_doc_number] => 06325034 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Hydraulic lash adjuster' [patent_app_type] => 1 [patent_app_number] => 9/730915 [patent_app_country] => US [patent_app_date] => 2000-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2870 [patent_no_of_claims] => 6 [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/06/325/06325034.pdf [firstpage_image] =>[orig_patent_app_number] => 730915 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/730915
Hydraulic lash adjuster Dec 5, 2000 Issued
Array ( [id] => 4289505 [patent_doc_number] => 06314928 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-13 [patent_title] => 'Rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 9/731371 [patent_app_country] => US [patent_app_date] => 2000-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3101 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/314/06314928.pdf [firstpage_image] =>[orig_patent_app_number] => 731371 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/731371
Rocker arm assembly Dec 5, 2000 Issued
Array ( [id] => 1439487 [patent_doc_number] => 06334416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-01-01 [patent_title] => 'Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof' [patent_app_type] => B2 [patent_app_number] => 09/729111 [patent_app_country] => US [patent_app_date] => 2000-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 53 [patent_no_of_words] => 16296 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/334/06334416.pdf [firstpage_image] =>[orig_patent_app_number] => 09729111 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/729111
Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Dec 4, 2000 Issued
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