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] => 3031748 [patent_doc_number] => 05305718 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Hydraulic control device' [patent_app_type] => 1 [patent_app_number] => 8/064163 [patent_app_country] => US [patent_app_date] => 1993-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2593 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 375 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/305/05305718.pdf [firstpage_image] =>[orig_patent_app_number] => 064163 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/064163
Hydraulic control device May 18, 1993 Issued
Array ( [id] => 3462958 [patent_doc_number] => 05398502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-21 [patent_title] => 'System for controlling a valve mechanism for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/063021 [patent_app_country] => US [patent_app_date] => 1993-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4148 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/398/05398502.pdf [firstpage_image] =>[orig_patent_app_number] => 063021 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/063021
System for controlling a valve mechanism for an internal combustion engine May 16, 1993 Issued
Array ( [id] => 3073611 [patent_doc_number] => 05311846 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-17 [patent_title] => 'Hydraulic control device' [patent_app_type] => 1 [patent_app_number] => 8/064011 [patent_app_country] => US [patent_app_date] => 1993-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2737 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/311/05311846.pdf [firstpage_image] =>[orig_patent_app_number] => 064011 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/064011
Hydraulic control device May 13, 1993 Issued
Array ( [id] => 2991554 [patent_doc_number] => 05275136 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'Variable engine valve control system with hydraulic damper' [patent_app_type] => 1 [patent_app_number] => 8/057904 [patent_app_country] => US [patent_app_date] => 1993-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 3623 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/275/05275136.pdf [firstpage_image] =>[orig_patent_app_number] => 057904 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/057904
Variable engine valve control system with hydraulic damper May 6, 1993 Issued
Array ( [id] => 3568371 [patent_doc_number] => 05497738 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-12 [patent_title] => 'VCT control with a direct electromechanical actuator' [patent_app_type] => 1 [patent_app_number] => 8/056635 [patent_app_country] => US [patent_app_date] => 1993-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 5352 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/497/05497738.pdf [firstpage_image] =>[orig_patent_app_number] => 056635 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/056635
VCT control with a direct electromechanical actuator May 2, 1993 Issued
08/052381 INTERNAL COMBUSTION ENGINE Apr 22, 1993 Pending
Array ( [id] => 3031402 [patent_doc_number] => 05323739 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Arrangement for adjusting the relative rotating position of a camshaft' [patent_app_type] => 1 [patent_app_number] => 8/047417 [patent_app_country] => US [patent_app_date] => 1993-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1805 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/323/05323739.pdf [firstpage_image] =>[orig_patent_app_number] => 047417 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/047417
Arrangement for adjusting the relative rotating position of a camshaft Apr 18, 1993 Issued
Array ( [id] => 2994728 [patent_doc_number] => 05280770 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-25 [patent_title] => 'Variable valve actuation control system' [patent_app_type] => 1 [patent_app_number] => 8/046113 [patent_app_country] => US [patent_app_date] => 1993-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7199 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/280/05280770.pdf [firstpage_image] =>[orig_patent_app_number] => 046113 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/046113
Variable valve actuation control system Apr 8, 1993 Issued
Array ( [id] => 2925282 [patent_doc_number] => 05253621 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Valve control means' [patent_app_type] => 1 [patent_app_number] => 8/044816 [patent_app_country] => US [patent_app_date] => 1993-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5634 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253621.pdf [firstpage_image] =>[orig_patent_app_number] => 044816 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/044816
Valve control means Apr 7, 1993 Issued
Array ( [id] => 2872033 [patent_doc_number] => 05269268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-14 [patent_title] => 'Tappet in an internal combustion engine and method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/037227 [patent_app_country] => US [patent_app_date] => 1993-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1321 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/269/05269268.pdf [firstpage_image] =>[orig_patent_app_number] => 037227 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/037227
Tappet in an internal combustion engine and method of manufacturing the same Mar 25, 1993 Issued
Array ( [id] => 3074093 [patent_doc_number] => 05289804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-01 [patent_title] => 'Tappet in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/036916 [patent_app_country] => US [patent_app_date] => 1993-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2320 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/289/05289804.pdf [firstpage_image] =>[orig_patent_app_number] => 036916 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/036916
Tappet in an internal combustion engine Mar 24, 1993 Issued
Array ( [id] => 3073592 [patent_doc_number] => 05311845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-17 [patent_title] => 'Oil pressure lash adjuster equipped with air vent' [patent_app_type] => 1 [patent_app_number] => 8/030492 [patent_app_country] => US [patent_app_date] => 1993-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3932 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/311/05311845.pdf [firstpage_image] =>[orig_patent_app_number] => 030492 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/030492
Oil pressure lash adjuster equipped with air vent Mar 24, 1993 Issued
Array ( [id] => 3071716 [patent_doc_number] => 05284112 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-08 [patent_title] => 'Valve operating mechanism including valve lifter' [patent_app_type] => 1 [patent_app_number] => 8/034369 [patent_app_country] => US [patent_app_date] => 1993-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 23 [patent_no_of_words] => 4947 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/284/05284112.pdf [firstpage_image] =>[orig_patent_app_number] => 034369 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/034369
Valve operating mechanism including valve lifter Mar 18, 1993 Issued
Array ( [id] => 2943281 [patent_doc_number] => 05273006 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Deactivatable valve control arrangement for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/032973 [patent_app_country] => US [patent_app_date] => 1993-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1912 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/273/05273006.pdf [firstpage_image] =>[orig_patent_app_number] => 032973 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/032973
Deactivatable valve control arrangement for internal combustion engines Mar 17, 1993 Issued
Array ( [id] => 3036042 [patent_doc_number] => 05355854 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Supplemental gaseous fuel system for a diesel engine' [patent_app_type] => 1 [patent_app_number] => 8/030706 [patent_app_country] => US [patent_app_date] => 1993-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5734 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/355/05355854.pdf [firstpage_image] =>[orig_patent_app_number] => 030706 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/030706
Supplemental gaseous fuel system for a diesel engine Mar 11, 1993 Issued
Array ( [id] => 3401160 [patent_doc_number] => 05392744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Precombustion chamber for a double overhead camshaft internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/030964 [patent_app_country] => US [patent_app_date] => 1993-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5351 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/392/05392744.pdf [firstpage_image] =>[orig_patent_app_number] => 030964 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/030964
Precombustion chamber for a double overhead camshaft internal combustion engine Mar 11, 1993 Issued
Array ( [id] => 3075882 [patent_doc_number] => 05297507 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Internal combustion engine having variable event timing' [patent_app_type] => 1 [patent_app_number] => 8/030292 [patent_app_country] => US [patent_app_date] => 1993-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2714 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/297/05297507.pdf [firstpage_image] =>[orig_patent_app_number] => 030292 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/030292
Internal combustion engine having variable event timing Mar 10, 1993 Issued
Array ( [id] => 2943264 [patent_doc_number] => 05273005 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Enlarged shaft roller lifter with retention means' [patent_app_type] => 1 [patent_app_number] => 8/029793 [patent_app_country] => US [patent_app_date] => 1993-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1765 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/273/05273005.pdf [firstpage_image] =>[orig_patent_app_number] => 029793 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/029793
Enlarged shaft roller lifter with retention means Mar 10, 1993 Issued
Array ( [id] => 2981568 [patent_doc_number] => 05370090 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-06 [patent_title] => 'Multi-cylinder internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/029044 [patent_app_country] => US [patent_app_date] => 1993-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 21 [patent_no_of_words] => 6802 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/370/05370090.pdf [firstpage_image] =>[orig_patent_app_number] => 029044 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/029044
Multi-cylinder internal combustion engine Mar 9, 1993 Issued
Array ( [id] => 2956731 [patent_doc_number] => 05255640 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Bi-plastic self-locking valve spring retainer' [patent_app_type] => 1 [patent_app_number] => 8/028234 [patent_app_country] => US [patent_app_date] => 1993-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3931 [patent_no_of_claims] => 10 [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/05/255/05255640.pdf [firstpage_image] =>[orig_patent_app_number] => 028234 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/028234
Bi-plastic self-locking valve spring retainer Mar 8, 1993 Issued
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