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] => 4252104 [patent_doc_number] => 06279524 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Electromagnetic actuator having a pneumatic dampening element' [patent_app_type] => 1 [patent_app_number] => 9/501144 [patent_app_country] => US [patent_app_date] => 2000-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3172 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/279/06279524.pdf [firstpage_image] =>[orig_patent_app_number] => 501144 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/501144
Electromagnetic actuator having a pneumatic dampening element Feb 8, 2000 Issued
Array ( [id] => 4235823 [patent_doc_number] => 06202610 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Valve operating control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/497755 [patent_app_country] => US [patent_app_date] => 2000-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 10424 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/202/06202610.pdf [firstpage_image] =>[orig_patent_app_number] => 497755 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/497755
Valve operating control system for internal combustion engine Feb 3, 2000 Issued
Array ( [id] => 4329746 [patent_doc_number] => 06216655 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-17 [patent_title] => 'Valve operating control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/497761 [patent_app_country] => US [patent_app_date] => 2000-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 10145 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/216/06216655.pdf [firstpage_image] =>[orig_patent_app_number] => 497761 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/497761
Valve operating control system for internal combustion engine Feb 3, 2000 Issued
Array ( [id] => 4230967 [patent_doc_number] => RE037268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-10 [patent_title] => 'Adjusting cylinder of a camshaft adjusting device acted upon by a separate oil supply unit' [patent_app_type] => 2 [patent_app_number] => 9/498127 [patent_app_country] => US [patent_app_date] => 2000-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2033 [patent_no_of_claims] => 11 [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/RE/037/RE037268.pdf [firstpage_image] =>[orig_patent_app_number] => 498127 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/498127
Adjusting cylinder of a camshaft adjusting device acted upon by a separate oil supply unit Feb 1, 2000 Issued
Array ( [id] => 4383367 [patent_doc_number] => 06230675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Intake valve lift control system' [patent_app_type] => 1 [patent_app_number] => 9/494917 [patent_app_country] => US [patent_app_date] => 2000-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 6418 [patent_no_of_claims] => 7 [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/06/230/06230675.pdf [firstpage_image] =>[orig_patent_app_number] => 494917 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/494917
Intake valve lift control system Jan 30, 2000 Issued
Array ( [id] => 4323897 [patent_doc_number] => 06213071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-10 [patent_title] => 'Variable phase coupling' [patent_app_type] => 1 [patent_app_number] => 9/463751 [patent_app_country] => US [patent_app_date] => 2000-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2866 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/213/06213071.pdf [firstpage_image] =>[orig_patent_app_number] => 463751 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/463751
Variable phase coupling Jan 27, 2000 Issued
Array ( [id] => 4360335 [patent_doc_number] => 06260521 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-17 [patent_title] => 'Method for controlling the supply of electrical energy to an electromagnetic device and use of a sliding mode controller' [patent_app_type] => 1 [patent_app_number] => 9/490822 [patent_app_country] => US [patent_app_date] => 2000-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2869 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/260/06260521.pdf [firstpage_image] =>[orig_patent_app_number] => 490822 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/490822
Method for controlling the supply of electrical energy to an electromagnetic device and use of a sliding mode controller Jan 24, 2000 Issued
Array ( [id] => 4300681 [patent_doc_number] => 06247431 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-19 [patent_title] => 'Electromagnetic valve actuating apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/489887 [patent_app_country] => US [patent_app_date] => 2000-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1944 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/247/06247431.pdf [firstpage_image] =>[orig_patent_app_number] => 489887 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/489887
Electromagnetic valve actuating apparatus for internal combustion engine Jan 23, 2000 Issued
Array ( [id] => 4308929 [patent_doc_number] => 06311655 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-06 [patent_title] => 'Multi-position variable cam timing system having a vane-mounted locking-piston device' [patent_app_type] => 1 [patent_app_number] => 9/488903 [patent_app_country] => US [patent_app_date] => 2000-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 5336 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/311/06311655.pdf [firstpage_image] =>[orig_patent_app_number] => 488903 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/488903
Multi-position variable cam timing system having a vane-mounted locking-piston device Jan 20, 2000 Issued
Array ( [id] => 4103596 [patent_doc_number] => 06125807 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Valve drive system for engines' [patent_app_type] => 1 [patent_app_number] => 9/487136 [patent_app_country] => US [patent_app_date] => 2000-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 8529 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/125/06125807.pdf [firstpage_image] =>[orig_patent_app_number] => 487136 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/487136
Valve drive system for engines Jan 18, 2000 Issued
Array ( [id] => 4108999 [patent_doc_number] => 06119644 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-19 [patent_title] => 'Hydraulic clearance compensation element' [patent_app_type] => 1 [patent_app_number] => 9/484004 [patent_app_country] => US [patent_app_date] => 2000-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3409 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/119/06119644.pdf [firstpage_image] =>[orig_patent_app_number] => 484004 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/484004
Hydraulic clearance compensation element Jan 17, 2000 Issued
Array ( [id] => 7638177 [patent_doc_number] => 06378474 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-30 [patent_title] => 'Variable value timing mechanism with crank drive' [patent_app_type] => B1 [patent_app_number] => 09/482260 [patent_app_country] => US [patent_app_date] => 2000-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3249 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/378/06378474.pdf [firstpage_image] =>[orig_patent_app_number] => 09482260 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/482260
Variable value timing mechanism with crank drive Jan 12, 2000 Issued
Array ( [id] => 4304854 [patent_doc_number] => 06318316 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Multi-cylinder engine for motorcycle' [patent_app_type] => 1 [patent_app_number] => 9/480651 [patent_app_country] => US [patent_app_date] => 2000-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 12428 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/318/06318316.pdf [firstpage_image] =>[orig_patent_app_number] => 480651 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/480651
Multi-cylinder engine for motorcycle Jan 10, 2000 Issued
Array ( [id] => 4360471 [patent_doc_number] => 06276321 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Cam phaser having a torsional bias spring to offset retarding force of camshaft friction' [patent_app_type] => 1 [patent_app_number] => 9/481198 [patent_app_country] => US [patent_app_date] => 2000-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1910 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/276/06276321.pdf [firstpage_image] =>[orig_patent_app_number] => 481198 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/481198
Cam phaser having a torsional bias spring to offset retarding force of camshaft friction Jan 10, 2000 Issued
Array ( [id] => 4356905 [patent_doc_number] => 06302070 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Valve system for engine' [patent_app_type] => 1 [patent_app_number] => 9/480650 [patent_app_country] => US [patent_app_date] => 2000-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12428 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 558 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/302/06302070.pdf [firstpage_image] =>[orig_patent_app_number] => 480650 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/480650
Valve system for engine Jan 10, 2000 Issued
Array ( [id] => 4340728 [patent_doc_number] => 06173684 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Internal combustion valve operating mechanism' [patent_app_type] => 1 [patent_app_number] => 9/480098 [patent_app_country] => US [patent_app_date] => 2000-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 9371 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/173/06173684.pdf [firstpage_image] =>[orig_patent_app_number] => 480098 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/480098
Internal combustion valve operating mechanism Jan 9, 2000 Issued
Array ( [id] => 4356975 [patent_doc_number] => 06302075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Roller finger follower shaft retention apparatus' [patent_app_type] => 1 [patent_app_number] => 9/479555 [patent_app_country] => US [patent_app_date] => 2000-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 5150 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/302/06302075.pdf [firstpage_image] =>[orig_patent_app_number] => 479555 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/479555
Roller finger follower shaft retention apparatus Jan 6, 2000 Issued
Array ( [id] => 4271463 [patent_doc_number] => 06196174 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-06 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/477346 [patent_app_country] => US [patent_app_date] => 2000-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 5746 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/196/06196174.pdf [firstpage_image] =>[orig_patent_app_number] => 477346 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/477346
Valve timing control system for internal combustion engine Jan 3, 2000 Issued
Array ( [id] => 4400018 [patent_doc_number] => 06192846 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Housing for an engageable and disengageable bucket tappet' [patent_app_type] => 1 [patent_app_number] => 9/462277 [patent_app_country] => US [patent_app_date] => 2000-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1095 [patent_no_of_claims] => 3 [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/06/192/06192846.pdf [firstpage_image] =>[orig_patent_app_number] => 462277 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/462277
Housing for an engageable and disengageable bucket tappet Jan 2, 2000 Issued
Array ( [id] => 4387787 [patent_doc_number] => 06263844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Oil passage for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/473884 [patent_app_country] => US [patent_app_date] => 1999-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 54 [patent_no_of_words] => 7269 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/263/06263844.pdf [firstpage_image] =>[orig_patent_app_number] => 473884 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/473884
Oil passage for internal combustion engine Dec 27, 1999 Issued
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