Search

Weilun Lo

Supervisory Patent Examiner (ID: 6938, Phone: (571)272-4847 , Office: P/2179 )

Most Active Art Unit
3402
Art Unit(s)
3402, 3723, 2179, 3747, 3748, 3761, 2899
Total Applications
2327
Issued Applications
2049
Pending Applications
47
Abandoned Applications
231

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4083185 [patent_doc_number] => 06065435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-23 [patent_title] => 'Valve tappet actuated by a cam of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/436812 [patent_app_country] => US [patent_app_date] => 1999-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2043 [patent_no_of_claims] => 3 [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/06/065/06065435.pdf [firstpage_image] =>[orig_patent_app_number] => 436812 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/436812
Valve tappet actuated by a cam of an internal combustion engine Nov 8, 1999 Issued
Array ( [id] => 4271449 [patent_doc_number] => 06196173 [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] => 9/435030 [patent_app_country] => US [patent_app_date] => 1999-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 10155 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/196/06196173.pdf [firstpage_image] =>[orig_patent_app_number] => 435030 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/435030
Valve timing control system for internal combustion engine Nov 4, 1999 Issued
Array ( [id] => 4267884 [patent_doc_number] => 06234124 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Internal combustion engine with valve rest mechanisms' [patent_app_type] => 1 [patent_app_number] => 9/433959 [patent_app_country] => US [patent_app_date] => 1999-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4773 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/234/06234124.pdf [firstpage_image] =>[orig_patent_app_number] => 433959 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/433959
Internal combustion engine with valve rest mechanisms Nov 3, 1999 Issued
Array ( [id] => 4269138 [patent_doc_number] => 06178934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'System and method for controlling internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/433882 [patent_app_country] => US [patent_app_date] => 1999-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3215 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/178/06178934.pdf [firstpage_image] =>[orig_patent_app_number] => 433882 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/433882
System and method for controlling internal combustion engine Nov 3, 1999 Issued
Array ( [id] => 4321089 [patent_doc_number] => 06283074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-04 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/432794 [patent_app_country] => US [patent_app_date] => 1999-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 8165 [patent_no_of_claims] => 17 [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/06/283/06283074.pdf [firstpage_image] =>[orig_patent_app_number] => 432794 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/432794
Valve timing control system for internal combustion engine Nov 2, 1999 Issued
Array ( [id] => 4360457 [patent_doc_number] => 06276320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Value mechanism of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/432763 [patent_app_country] => US [patent_app_date] => 1999-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 10384 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/276/06276320.pdf [firstpage_image] =>[orig_patent_app_number] => 432763 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/432763
Value mechanism of internal combustion engine Nov 2, 1999 Issued
Array ( [id] => 4280103 [patent_doc_number] => 06250268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-26 [patent_title] => 'Cam chain guide attachment structure' [patent_app_type] => 1 [patent_app_number] => 9/432089 [patent_app_country] => US [patent_app_date] => 1999-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2630 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/250/06250268.pdf [firstpage_image] =>[orig_patent_app_number] => 432089 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/432089
Cam chain guide attachment structure Nov 1, 1999 Issued
Array ( [id] => 1469234 [patent_doc_number] => 06386164 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Valve timing control apparatus for internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 09/431924 [patent_app_country] => US [patent_app_date] => 1999-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 10226 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/386/06386164.pdf [firstpage_image] =>[orig_patent_app_number] => 09431924 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/431924
Valve timing control apparatus for internal combustion engine Nov 1, 1999 Issued
09/431252 VALVE TIMING CONTROL DEVICE Oct 31, 1999 Abandoned
Array ( [id] => 4336776 [patent_doc_number] => 06253721 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Swivel-mounted cam follower for a valve drive of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/429247 [patent_app_country] => US [patent_app_date] => 1999-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1571 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/253/06253721.pdf [firstpage_image] =>[orig_patent_app_number] => 429247 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/429247
Swivel-mounted cam follower for a valve drive of an internal combustion engine Oct 28, 1999 Issued
Array ( [id] => 4236848 [patent_doc_number] => 06257182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-10 [patent_title] => 'Electromagnetic drive system for engine valve' [patent_app_type] => 1 [patent_app_number] => 9/430131 [patent_app_country] => US [patent_app_date] => 1999-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 24 [patent_no_of_words] => 9124 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/257/06257182.pdf [firstpage_image] =>[orig_patent_app_number] => 430131 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/430131
Electromagnetic drive system for engine valve Oct 28, 1999 Issued
Array ( [id] => 1593701 [patent_doc_number] => 06474281 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-05 [patent_title] => 'Valve control mechanism' [patent_app_type] => B1 [patent_app_number] => 09/429617 [patent_app_country] => US [patent_app_date] => 1999-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4201 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/474/06474281.pdf [firstpage_image] =>[orig_patent_app_number] => 09429617 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/429617
Valve control mechanism Oct 28, 1999 Issued
Array ( [id] => 4252090 [patent_doc_number] => 06279523 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Valve driving apparatus provided in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/428494 [patent_app_country] => US [patent_app_date] => 1999-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 8247 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/279/06279523.pdf [firstpage_image] =>[orig_patent_app_number] => 428494 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/428494
Valve driving apparatus provided in an internal combustion engine Oct 27, 1999 Issued
Array ( [id] => 4267914 [patent_doc_number] => 06234126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Engine valve control' [patent_app_type] => 1 [patent_app_number] => 9/427881 [patent_app_country] => US [patent_app_date] => 1999-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2924 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/234/06234126.pdf [firstpage_image] =>[orig_patent_app_number] => 427881 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/427881
Engine valve control Oct 26, 1999 Issued
Array ( [id] => 4279953 [patent_doc_number] => 06186105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Variable valve timing arrangement for engine' [patent_app_type] => 1 [patent_app_number] => 9/426241 [patent_app_country] => US [patent_app_date] => 1999-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3331 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/186/06186105.pdf [firstpage_image] =>[orig_patent_app_number] => 426241 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/426241
Variable valve timing arrangement for engine Oct 24, 1999 Issued
Array ( [id] => 4271961 [patent_doc_number] => 06182622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Device for the relative rotation of a camshaft relative to a crankshaft that drives the camshaft in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/425681 [patent_app_country] => US [patent_app_date] => 1999-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5368 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 535 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/182/06182622.pdf [firstpage_image] =>[orig_patent_app_number] => 425681 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/425681
Device for the relative rotation of a camshaft relative to a crankshaft that drives the camshaft in an internal combustion engine Oct 21, 1999 Issued
Array ( [id] => 4103569 [patent_doc_number] => 06125805 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/420409 [patent_app_country] => US [patent_app_date] => 1999-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 10547 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/125/06125805.pdf [firstpage_image] =>[orig_patent_app_number] => 420409 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/420409
Valve operating system in internal combustion engine Oct 18, 1999 Issued
Array ( [id] => 4389112 [patent_doc_number] => 06298812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Valve driving apparatus provided in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/419642 [patent_app_country] => US [patent_app_date] => 1999-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5559 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/298/06298812.pdf [firstpage_image] =>[orig_patent_app_number] => 419642 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/419642
Valve driving apparatus provided in an internal combustion engine Oct 17, 1999 Issued
Array ( [id] => 4192252 [patent_doc_number] => 06085706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Valve timing control apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/418571 [patent_app_country] => US [patent_app_date] => 1999-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 13315 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/085/06085706.pdf [firstpage_image] =>[orig_patent_app_number] => 418571 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/418571
Valve timing control apparatus for internal combustion engine Oct 14, 1999 Issued
Array ( [id] => 4387772 [patent_doc_number] => 06263843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Valve timing control device of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/402831 [patent_app_country] => US [patent_app_date] => 1999-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 19 [patent_no_of_words] => 12556 [patent_no_of_claims] => 26 [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/06/263/06263843.pdf [firstpage_image] =>[orig_patent_app_number] => 402831 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/402831
Valve timing control device of internal combustion engine Oct 12, 1999 Issued
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