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] => 4252116 [patent_doc_number] => 06279525 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Cam follower formed without removing any material' [patent_app_type] => 1 [patent_app_number] => 9/554240 [patent_app_country] => US [patent_app_date] => 2000-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1802 [patent_no_of_claims] => 9 [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/06/279/06279525.pdf [firstpage_image] =>[orig_patent_app_number] => 554240 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/554240
Cam follower formed without removing any material Jun 18, 2000 Issued
Array ( [id] => 4363143 [patent_doc_number] => 06293237 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Variable lost motion valve actuator and method' [patent_app_type] => 1 [patent_app_number] => 9/594791 [patent_app_country] => US [patent_app_date] => 2000-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4504 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/293/06293237.pdf [firstpage_image] =>[orig_patent_app_number] => 594791 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/594791
Variable lost motion valve actuator and method Jun 15, 2000 Issued
Array ( [id] => 4387820 [patent_doc_number] => 06263846 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Control valve strategy for vane-type variable camshaft timing system' [patent_app_type] => 1 [patent_app_number] => 9/592624 [patent_app_country] => US [patent_app_date] => 2000-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4376 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/263/06263846.pdf [firstpage_image] =>[orig_patent_app_number] => 592624 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/592624
Control valve strategy for vane-type variable camshaft timing system Jun 12, 2000 Issued
Array ( [id] => 4304800 [patent_doc_number] => 06318312 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Procedure for cooling electromagnetic actuators for internal combustion engine valves' [patent_app_type] => 1 [patent_app_number] => 9/592543 [patent_app_country] => US [patent_app_date] => 2000-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1907 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/318/06318312.pdf [firstpage_image] =>[orig_patent_app_number] => 592543 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/592543
Procedure for cooling electromagnetic actuators for internal combustion engine valves Jun 11, 2000 Issued
Array ( [id] => 4321116 [patent_doc_number] => 06283076 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-04 [patent_title] => 'Torsionally compliant sprocket for engine balance shaft drive and method of manufacture' [patent_app_type] => 1 [patent_app_number] => 9/591351 [patent_app_country] => US [patent_app_date] => 2000-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2929 [patent_no_of_claims] => 7 [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/06/283/06283076.pdf [firstpage_image] =>[orig_patent_app_number] => 591351 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/591351
Torsionally compliant sprocket for engine balance shaft drive and method of manufacture Jun 8, 2000 Issued
Array ( [id] => 4360431 [patent_doc_number] => 06276318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Solenoid valve actuating apparatus' [patent_app_type] => 1 [patent_app_number] => 9/581012 [patent_app_country] => US [patent_app_date] => 2000-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 18248 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/276/06276318.pdf [firstpage_image] =>[orig_patent_app_number] => 581012 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/581012
Solenoid valve actuating apparatus Jun 6, 2000 Issued
Array ( [id] => 4356877 [patent_doc_number] => 06302068 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Fast acting engine valve control with soft landing' [patent_app_type] => 1 [patent_app_number] => 9/585778 [patent_app_country] => US [patent_app_date] => 2000-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2867 [patent_no_of_claims] => 7 [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/06/302/06302068.pdf [firstpage_image] =>[orig_patent_app_number] => 585778 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/585778
Fast acting engine valve control with soft landing Jun 4, 2000 Issued
Array ( [id] => 4345544 [patent_doc_number] => 06273044 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Valve actuating lever' [patent_app_type] => 1 [patent_app_number] => 9/555550 [patent_app_country] => US [patent_app_date] => 2000-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 2732 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/273/06273044.pdf [firstpage_image] =>[orig_patent_app_number] => 555550 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/555550
Valve actuating lever May 31, 2000 Issued
Array ( [id] => 4360349 [patent_doc_number] => 06260522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-17 [patent_title] => 'Device for actuating a gas exchange valve having an electromagnetic actuator' [patent_app_type] => 1 [patent_app_number] => 9/569530 [patent_app_country] => US [patent_app_date] => 2000-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2747 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/260/06260522.pdf [firstpage_image] =>[orig_patent_app_number] => 569530 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/569530
Device for actuating a gas exchange valve having an electromagnetic actuator May 11, 2000 Issued
Array ( [id] => 4250038 [patent_doc_number] => 06321702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Process for controlling a gas exchange valve for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 9/485541 [patent_app_country] => US [patent_app_date] => 2000-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3095 [patent_no_of_claims] => 14 [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/06/321/06321702.pdf [firstpage_image] =>[orig_patent_app_number] => 485541 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/485541
Process for controlling a gas exchange valve for internal combustion engines May 10, 2000 Issued
Array ( [id] => 4312309 [patent_doc_number] => 06330869 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-18 [patent_title] => 'Control device of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/567090 [patent_app_country] => US [patent_app_date] => 2000-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 17831 [patent_no_of_claims] => 5 [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/06/330/06330869.pdf [firstpage_image] =>[orig_patent_app_number] => 567090 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/567090
Control device of an internal combustion engine May 7, 2000 Issued
Array ( [id] => 4269164 [patent_doc_number] => 06178935 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Valve control device for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/485540 [patent_app_country] => US [patent_app_date] => 2000-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3650 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/178/06178935.pdf [firstpage_image] =>[orig_patent_app_number] => 485540 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/485540
Valve control device for an internal combustion engine May 7, 2000 Issued
Array ( [id] => 4246253 [patent_doc_number] => 06305336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Electromagnetic driving device of engine valve for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/565493 [patent_app_country] => US [patent_app_date] => 2000-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 5517 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/305/06305336.pdf [firstpage_image] =>[orig_patent_app_number] => 565493 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/565493
Electromagnetic driving device of engine valve for internal combustion engine May 4, 2000 Issued
Array ( [id] => 4345489 [patent_doc_number] => 06273040 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Adjustable overhead rocker cam' [patent_app_type] => 1 [patent_app_number] => 9/565001 [patent_app_country] => US [patent_app_date] => 2000-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 1268 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/273/06273040.pdf [firstpage_image] =>[orig_patent_app_number] => 565001 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/565001
Adjustable overhead rocker cam May 3, 2000 Issued
Array ( [id] => 4321076 [patent_doc_number] => 06283073 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-04 [patent_title] => 'Solenoid-operated valve control apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/565179 [patent_app_country] => US [patent_app_date] => 2000-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 7722 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/283/06283073.pdf [firstpage_image] =>[orig_patent_app_number] => 565179 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/565179
Solenoid-operated valve control apparatus for internal combustion engine May 2, 2000 Issued
Array ( [id] => 4387802 [patent_doc_number] => 06263845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Phase change mechanism' [patent_app_type] => 1 [patent_app_number] => 9/530682 [patent_app_country] => US [patent_app_date] => 2000-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1917 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/263/06263845.pdf [firstpage_image] =>[orig_patent_app_number] => 530682 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/530682
Phase change mechanism May 2, 2000 Issued
Array ( [id] => 4328920 [patent_doc_number] => 06289861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-18 [patent_title] => 'Control for variable valve timing' [patent_app_type] => 1 [patent_app_number] => 9/562001 [patent_app_country] => US [patent_app_date] => 2000-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2983 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/289/06289861.pdf [firstpage_image] =>[orig_patent_app_number] => 562001 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/562001
Control for variable valve timing May 1, 2000 Issued
Array ( [id] => 4268971 [patent_doc_number] => 06267089 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-31 [patent_title] => 'Appliance for modifying the timing of gas-exchange valves of an internal combustion engine, in particular hydraulic camshaft adjustment device of rotary piston type' [patent_app_type] => 1 [patent_app_number] => 9/563216 [patent_app_country] => US [patent_app_date] => 2000-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2633 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 379 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/267/06267089.pdf [firstpage_image] =>[orig_patent_app_number] => 563216 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/563216
Appliance for modifying the timing of gas-exchange valves of an internal combustion engine, in particular hydraulic camshaft adjustment device of rotary piston type May 1, 2000 Issued
Array ( [id] => 4360401 [patent_doc_number] => 06260524 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-17 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/561968 [patent_app_country] => US [patent_app_date] => 2000-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 31 [patent_no_of_words] => 21113 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/260/06260524.pdf [firstpage_image] =>[orig_patent_app_number] => 561968 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/561968
Valve timing control system for internal combustion engine Apr 30, 2000 Issued
09/562507 Fast opening poppet inlet valve system for effecting and efficient miller cycle operation Apr 30, 2000 Abandoned
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