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] => 6881311 [patent_doc_number] => 20010047783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-06 [patent_title] => 'Adjustable overhead rocker cam' [patent_app_type] => new [patent_app_number] => 09/925925 [patent_app_country] => US [patent_app_date] => 2001-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1487 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20010047783.pdf [firstpage_image] =>[orig_patent_app_number] => 09925925 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/925925
Adjustable overhead rocker cam Aug 8, 2001 Issued
Array ( [id] => 1466364 [patent_doc_number] => 06405699 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Roller follower guide orientation and anti-rotation feature' [patent_app_type] => B1 [patent_app_number] => 09/925363 [patent_app_country] => US [patent_app_date] => 2001-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4434 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 355 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/405/06405699.pdf [firstpage_image] =>[orig_patent_app_number] => 09925363 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/925363
Roller follower guide orientation and anti-rotation feature Aug 8, 2001 Issued
Array ( [id] => 1527918 [patent_doc_number] => 06408807 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-25 [patent_title] => 'Variable valve timing system' [patent_app_type] => B1 [patent_app_number] => 09/920646 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11675 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/408/06408807.pdf [firstpage_image] =>[orig_patent_app_number] => 09920646 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920646
Variable valve timing system Aug 2, 2001 Issued
Array ( [id] => 6881312 [patent_doc_number] => 20010047784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-06 [patent_title] => 'Valve spring retainer and a valve operating mechanism' [patent_app_type] => new [patent_app_number] => 09/921742 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2017 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20010047784.pdf [firstpage_image] =>[orig_patent_app_number] => 09921742 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/921742
Valve spring retainer and a valve operating mechanism Aug 2, 2001 Issued
Array ( [id] => 7062873 [patent_doc_number] => 20010042530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-22 [patent_title] => 'Valve spring retainer and a valve operating mechanism' [patent_app_type] => new [patent_app_number] => 09/921468 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2019 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0042/20010042530.pdf [firstpage_image] =>[orig_patent_app_number] => 09921468 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/921468
Valve spring retainer and a valve operating mechanism Aug 2, 2001 Issued
Array ( [id] => 6897033 [patent_doc_number] => 20010045198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-29 [patent_title] => 'Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof' [patent_app_type] => new [patent_app_number] => 09/912387 [patent_app_country] => US [patent_app_date] => 2001-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 16435 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0045/20010045198.pdf [firstpage_image] =>[orig_patent_app_number] => 09912387 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912387
Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Jul 25, 2001 Abandoned
Array ( [id] => 5916429 [patent_doc_number] => 20020112685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-22 [patent_title] => 'Sheet metal rocker arm , manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof' [patent_app_type] => new [patent_app_number] => 09/912366 [patent_app_country] => US [patent_app_date] => 2001-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 16428 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0112/20020112685.pdf [firstpage_image] =>[orig_patent_app_number] => 09912366 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912366
Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof Jul 25, 2001 Issued
Array ( [id] => 6453748 [patent_doc_number] => 20020020372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-21 [patent_title] => 'Electromagnetic actuator for operating a gas exchange a gas exchange valve of an internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/910470 [patent_app_country] => US [patent_app_date] => 2001-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2290 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0020/20020020372.pdf [firstpage_image] =>[orig_patent_app_number] => 09910470 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/910470
Electromagnetic actuator for operating a gas exchange valve of an internal combustion engine Jul 19, 2001 Issued
Array ( [id] => 7076410 [patent_doc_number] => 20010039933 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-15 [patent_title] => 'Valve timing adjusting device' [patent_app_type] => new [patent_app_number] => 09/907751 [patent_app_country] => US [patent_app_date] => 2001-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 12281 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20010039933.pdf [firstpage_image] =>[orig_patent_app_number] => 09907751 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/907751
Valve timing adjusting device Jul 18, 2001 Abandoned
Array ( [id] => 7076409 [patent_doc_number] => 20010039932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-15 [patent_title] => 'Vane type hydraulic actuator' [patent_app_type] => new [patent_app_number] => 09/904861 [patent_app_country] => US [patent_app_date] => 2001-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 13431 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20010039932.pdf [firstpage_image] =>[orig_patent_app_number] => 09904861 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/904861
Vane type hydraulic actuator Jul 15, 2001 Issued
Array ( [id] => 1543815 [patent_doc_number] => 06397802 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Multiple cylinder internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 09/889224 [patent_app_country] => US [patent_app_date] => 2001-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2568 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/397/06397802.pdf [firstpage_image] =>[orig_patent_app_number] => 09889224 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/889224
Multiple cylinder internal combustion engine Jul 12, 2001 Issued
Array ( [id] => 6561315 [patent_doc_number] => 20020014215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-07 [patent_title] => 'Valve timing control apparatus and method for internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/902275 [patent_app_country] => US [patent_app_date] => 2001-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11622 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0014/20020014215.pdf [firstpage_image] =>[orig_patent_app_number] => 09902275 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/902275
Valve timing control apparatus and method for internal combustion engine Jul 10, 2001 Issued
Array ( [id] => 6881309 [patent_doc_number] => 20010047781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-06 [patent_title] => 'Valve timing adjusting device' [patent_app_type] => new [patent_app_number] => 09/901063 [patent_app_country] => US [patent_app_date] => 2001-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8193 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20010047781.pdf [firstpage_image] =>[orig_patent_app_number] => 09901063 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/901063
Valve timing adjusting device Jul 9, 2001 Issued
Array ( [id] => 6883626 [patent_doc_number] => 20010037779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-08 [patent_title] => 'Valve driving apparatus provided in an internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/901023 [patent_app_country] => US [patent_app_date] => 2001-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8289 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0037/20010037779.pdf [firstpage_image] =>[orig_patent_app_number] => 09901023 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/901023
Valve driving apparatus provided in an internal combustion engine Jul 8, 2001 Issued
Array ( [id] => 1483067 [patent_doc_number] => 06427669 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-06 [patent_title] => 'Actuators for pump-nozzle-injection elements or injection pumps for internal combustion engines' [patent_app_type] => B1 [patent_app_number] => 09/889012 [patent_app_country] => US [patent_app_date] => 2001-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1945 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/427/06427669.pdf [firstpage_image] =>[orig_patent_app_number] => 09889012 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/889012
Actuators for pump-nozzle-injection elements or injection pumps for internal combustion engines Jul 8, 2001 Issued
Array ( [id] => 1587179 [patent_doc_number] => 06382157 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-07 [patent_title] => 'Valve timing control device' [patent_app_type] => B1 [patent_app_number] => 09/899080 [patent_app_country] => US [patent_app_date] => 2001-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6273 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/382/06382157.pdf [firstpage_image] =>[orig_patent_app_number] => 09899080 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/899080
Valve timing control device Jul 5, 2001 Issued
Array ( [id] => 1479481 [patent_doc_number] => 06363896 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-02 [patent_title] => 'Camshaft adjuster for internal combustion engines' [patent_app_type] => B1 [patent_app_number] => 09/673772 [patent_app_country] => US [patent_app_date] => 2001-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2766 [patent_no_of_claims] => 4 [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/06/363/06363896.pdf [firstpage_image] =>[orig_patent_app_number] => 09673772 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/673772
Camshaft adjuster for internal combustion engines Jul 4, 2001 Issued
Array ( [id] => 6090604 [patent_doc_number] => 20020050262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-02 [patent_title] => 'Valve spring set load changing device in a valve moving apparatus of an internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/895289 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10328 [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] => publication [pdf_file] => publications/A1/0050/20020050262.pdf [firstpage_image] =>[orig_patent_app_number] => 09895289 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/895289
Valve spring set load changing device in a valve moving apparatus of an internal combustion engine Jun 28, 2001 Issued
Array ( [id] => 1469243 [patent_doc_number] => 06386167 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Cam phaser cover assembly' [patent_app_type] => B1 [patent_app_number] => 09/896626 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5427 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 439 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/386/06386167.pdf [firstpage_image] =>[orig_patent_app_number] => 09896626 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896626
Cam phaser cover assembly Jun 28, 2001 Issued
Array ( [id] => 1466358 [patent_doc_number] => 06405696 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Spline-type cam phaser' [patent_app_type] => B1 [patent_app_number] => 09/894772 [patent_app_country] => US [patent_app_date] => 2001-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5401 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 434 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/405/06405696.pdf [firstpage_image] =>[orig_patent_app_number] => 09894772 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/894772
Spline-type cam phaser Jun 27, 2001 Issued
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