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] => 4390462 [patent_doc_number] => 06308667 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-30 [patent_title] => 'Actuator for engine valve with tooth and socket armature and core for providing position output and/or improved force profile' [patent_app_type] => 1 [patent_app_number] => 9/559448 [patent_app_country] => US [patent_app_date] => 2000-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 3590 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/308/06308667.pdf [firstpage_image] =>[orig_patent_app_number] => 559448 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/559448
Actuator for engine valve with tooth and socket armature and core for providing position output and/or improved force profile Apr 26, 2000 Issued
Array ( [id] => 4385525 [patent_doc_number] => 06269784 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-07 [patent_title] => 'Electrically actuable engine valve providing position output' [patent_app_type] => 1 [patent_app_number] => 9/559870 [patent_app_country] => US [patent_app_date] => 2000-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 4114 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/269/06269784.pdf [firstpage_image] =>[orig_patent_app_number] => 559870 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/559870
Electrically actuable engine valve providing position output Apr 25, 2000 Issued
Array ( [id] => 4250079 [patent_doc_number] => 06321705 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Roller finger follower for valve deactivation' [patent_app_type] => 1 [patent_app_number] => 9/557732 [patent_app_country] => US [patent_app_date] => 2000-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4209 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/321/06321705.pdf [firstpage_image] =>[orig_patent_app_number] => 557732 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/557732
Roller finger follower for valve deactivation Apr 25, 2000 Issued
Array ( [id] => 4386574 [patent_doc_number] => 06237553 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Arrangement for driving valves' [patent_app_type] => 1 [patent_app_number] => 9/558018 [patent_app_country] => US [patent_app_date] => 2000-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2809 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/237/06237553.pdf [firstpage_image] =>[orig_patent_app_number] => 558018 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/558018
Arrangement for driving valves Apr 24, 2000 Issued
Array ( [id] => 4235810 [patent_doc_number] => 06202609 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Electromagnetic control device' [patent_app_type] => 1 [patent_app_number] => 9/530065 [patent_app_country] => US [patent_app_date] => 2000-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1505 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/202/06202609.pdf [firstpage_image] =>[orig_patent_app_number] => 530065 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/530065
Electromagnetic control device Apr 23, 2000 Issued
Array ( [id] => 4236964 [patent_doc_number] => 06257190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-10 [patent_title] => 'Cam operating system' [patent_app_type] => 1 [patent_app_number] => 9/556851 [patent_app_country] => US [patent_app_date] => 2000-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10707 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/257/06257190.pdf [firstpage_image] =>[orig_patent_app_number] => 556851 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/556851
Cam operating system Apr 20, 2000 Issued
Array ( [id] => 1458807 [patent_doc_number] => 06349689 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-26 [patent_title] => 'Tappet assembly with a ceramic wear pad' [patent_app_type] => B1 [patent_app_number] => 09/551540 [patent_app_country] => US [patent_app_date] => 2000-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 4840 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/349/06349689.pdf [firstpage_image] =>[orig_patent_app_number] => 09551540 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/551540
Tappet assembly with a ceramic wear pad Apr 17, 2000 Issued
09/529637 DEVICE FOR OPERATING A GAS SHUTTLE VALVE OF A RECIPROCATING INTERNAL COMBUSTION ENGINE Apr 16, 2000 Abandoned
Array ( [id] => 1434614 [patent_doc_number] => 06354254 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => 'Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive power' [patent_app_type] => B1 [patent_app_number] => 09/549028 [patent_app_country] => US [patent_app_date] => 2000-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4956 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/354/06354254.pdf [firstpage_image] =>[orig_patent_app_number] => 09549028 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/549028
Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive power Apr 12, 2000 Issued
Array ( [id] => 4304928 [patent_doc_number] => 06318321 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Method of modifying motorcycle engine cam drive' [patent_app_type] => 1 [patent_app_number] => 9/547536 [patent_app_country] => US [patent_app_date] => 2000-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1997 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/318/06318321.pdf [firstpage_image] =>[orig_patent_app_number] => 547536 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/547536
Method of modifying motorcycle engine cam drive Apr 11, 2000 Issued
Array ( [id] => 4263074 [patent_doc_number] => 06209497 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Device for changing the relative rotational position of a shaft to the drive wheel' [patent_app_type] => 1 [patent_app_number] => 9/463447 [patent_app_country] => US [patent_app_date] => 2000-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2549 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/209/06209497.pdf [firstpage_image] =>[orig_patent_app_number] => 463447 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/463447
Device for changing the relative rotational position of a shaft to the drive wheel Apr 3, 2000 Issued
Array ( [id] => 1546066 [patent_doc_number] => 06345596 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-12 [patent_title] => 'Engageable cam follower or engageable lifter element' [patent_app_type] => B1 [patent_app_number] => 09/541333 [patent_app_country] => US [patent_app_date] => 2000-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1533 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/345/06345596.pdf [firstpage_image] =>[orig_patent_app_number] => 09541333 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/541333
Engageable cam follower or engageable lifter element Apr 2, 2000 Issued
Array ( [id] => 4300709 [patent_doc_number] => 06247433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-19 [patent_title] => 'Switchable cam follower' [patent_app_type] => 1 [patent_app_number] => 9/539532 [patent_app_country] => US [patent_app_date] => 2000-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2272 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/247/06247433.pdf [firstpage_image] =>[orig_patent_app_number] => 539532 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/539532
Switchable cam follower Mar 30, 2000 Issued
Array ( [id] => 4329720 [patent_doc_number] => 06216653 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-17 [patent_title] => 'Electromagnetic valve actuator for a valve of an engine' [patent_app_type] => 1 [patent_app_number] => 9/538961 [patent_app_country] => US [patent_app_date] => 2000-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5037 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/216/06216653.pdf [firstpage_image] =>[orig_patent_app_number] => 538961 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/538961
Electromagnetic valve actuator for a valve of an engine Mar 30, 2000 Issued
Array ( [id] => 1562180 [patent_doc_number] => 06338322 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-15 [patent_title] => 'Valve timing control device' [patent_app_type] => B1 [patent_app_number] => 09/540038 [patent_app_country] => US [patent_app_date] => 2000-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3510 [patent_no_of_claims] => 3 [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/06/338/06338322.pdf [firstpage_image] =>[orig_patent_app_number] => 09540038 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/540038
Valve timing control device Mar 30, 2000 Issued
Array ( [id] => 4300695 [patent_doc_number] => 06247432 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-19 [patent_title] => 'Engine valve assembly for an internal-combustion engine, including an electromagnetic actuator' [patent_app_type] => 1 [patent_app_number] => 9/539437 [patent_app_country] => US [patent_app_date] => 2000-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4973 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/247/06247432.pdf [firstpage_image] =>[orig_patent_app_number] => 539437 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/539437
Engine valve assembly for an internal-combustion engine, including an electromagnetic actuator Mar 29, 2000 Issued
Array ( [id] => 4280115 [patent_doc_number] => 06250269 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-26 [patent_title] => 'Arrangement for supporting a rocker shaft in an engine' [patent_app_type] => 1 [patent_app_number] => 9/537219 [patent_app_country] => US [patent_app_date] => 2000-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3625 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/250/06250269.pdf [firstpage_image] =>[orig_patent_app_number] => 537219 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/537219
Arrangement for supporting a rocker shaft in an engine Mar 28, 2000 Issued
Array ( [id] => 4329703 [patent_doc_number] => 06216652 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-17 [patent_title] => 'Method for operating actuators for electromagnetically controlling a valve' [patent_app_type] => 1 [patent_app_number] => 9/535957 [patent_app_country] => US [patent_app_date] => 2000-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2648 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/216/06216652.pdf [firstpage_image] =>[orig_patent_app_number] => 535957 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/535957
Method for operating actuators for electromagnetically controlling a valve Mar 26, 2000 Issued
Array ( [id] => 4403460 [patent_doc_number] => 06223706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Tappet for the valve gear of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/509342 [patent_app_country] => US [patent_app_date] => 2000-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2670 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 470 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/223/06223706.pdf [firstpage_image] =>[orig_patent_app_number] => 509342 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/509342
Tappet for the valve gear of an internal combustion engine Mar 23, 2000 Issued
Array ( [id] => 4223917 [patent_doc_number] => 06220213 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-24 [patent_title] => 'Rocker arm installed in a cylinder head of a valve train of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/535020 [patent_app_country] => US [patent_app_date] => 2000-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1842 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/220/06220213.pdf [firstpage_image] =>[orig_patent_app_number] => 535020 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/535020
Rocker arm installed in a cylinder head of a valve train of an internal combustion engine Mar 23, 2000 Issued
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