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] => 3031765 [patent_doc_number] => 05305719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Engine camshaft deactivation mechanism' [patent_app_type] => 1 [patent_app_number] => 8/085889 [patent_app_country] => US [patent_app_date] => 1993-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 19 [patent_no_of_words] => 3939 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/305/05305719.pdf [firstpage_image] =>[orig_patent_app_number] => 085889 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/085889
Engine camshaft deactivation mechanism Jul 5, 1993 Issued
Array ( [id] => 3075919 [patent_doc_number] => 05297509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 8/085572 [patent_app_country] => US [patent_app_date] => 1993-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1794 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/297/05297509.pdf [firstpage_image] =>[orig_patent_app_number] => 085572 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/085572
Rocker arm assembly Jun 29, 1993 Issued
Array ( [id] => 3087637 [patent_doc_number] => 05417186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Dual-acting apparatus for variable valve timing and the like' [patent_app_type] => 1 [patent_app_number] => 8/083640 [patent_app_country] => US [patent_app_date] => 1993-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 16511 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/417/05417186.pdf [firstpage_image] =>[orig_patent_app_number] => 083640 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/083640
Dual-acting apparatus for variable valve timing and the like Jun 27, 1993 Issued
Array ( [id] => 3031446 [patent_doc_number] => 05323741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Twelve-point rocker-arm adjusting nut' [patent_app_type] => 1 [patent_app_number] => 8/082560 [patent_app_country] => US [patent_app_date] => 1993-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2970 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/323/05323741.pdf [firstpage_image] =>[orig_patent_app_number] => 082560 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/082560
Twelve-point rocker-arm adjusting nut Jun 27, 1993 Issued
Array ( [id] => 3075847 [patent_doc_number] => 05297505 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Internal combustion engine valve actuator' [patent_app_type] => 1 [patent_app_number] => 8/082857 [patent_app_country] => US [patent_app_date] => 1993-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2809 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/297/05297505.pdf [firstpage_image] =>[orig_patent_app_number] => 082857 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/082857
Internal combustion engine valve actuator Jun 27, 1993 Issued
Array ( [id] => 3000118 [patent_doc_number] => 05301639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'Valve timing control device for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/081095 [patent_app_country] => US [patent_app_date] => 1993-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6320 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/301/05301639.pdf [firstpage_image] =>[orig_patent_app_number] => 081095 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/081095
Valve timing control device for internal combustion engine Jun 24, 1993 Issued
Array ( [id] => 2974055 [patent_doc_number] => 05365896 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-22 [patent_title] => 'Cam shaft assembly for use in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/077510 [patent_app_country] => US [patent_app_date] => 1993-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 5707 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/365/05365896.pdf [firstpage_image] =>[orig_patent_app_number] => 077510 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/077510
Cam shaft assembly for use in internal combustion engine Jun 16, 1993 Issued
Array ( [id] => 3060471 [patent_doc_number] => 05320074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Direct acting hydraulic tappet' [patent_app_type] => 1 [patent_app_number] => 8/079240 [patent_app_country] => US [patent_app_date] => 1993-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 2078 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/320/05320074.pdf [firstpage_image] =>[orig_patent_app_number] => 079240 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/079240
Direct acting hydraulic tappet Jun 16, 1993 Issued
Array ( [id] => 3051363 [patent_doc_number] => 05293848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Spring retainer for a poppet valve and method of assembling' [patent_app_type] => 1 [patent_app_number] => 8/078005 [patent_app_country] => US [patent_app_date] => 1993-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3467 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293848.pdf [firstpage_image] =>[orig_patent_app_number] => 078005 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/078005
Spring retainer for a poppet valve and method of assembling Jun 14, 1993 Issued
Array ( [id] => 3045876 [patent_doc_number] => 05309872 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-10 [patent_title] => 'Device for operating a valve in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/075819 [patent_app_country] => US [patent_app_date] => 1993-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3710 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/309/05309872.pdf [firstpage_image] =>[orig_patent_app_number] => 075819 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/075819
Device for operating a valve in an internal combustion engine Jun 10, 1993 Issued
Array ( [id] => 3038304 [patent_doc_number] => 05337712 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-16 [patent_title] => 'Valve gear for at least two simultaneously operated valves' [patent_app_type] => 1 [patent_app_number] => 8/076177 [patent_app_country] => US [patent_app_date] => 1993-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1565 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/337/05337712.pdf [firstpage_image] =>[orig_patent_app_number] => 076177 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/076177
Valve gear for at least two simultaneously operated valves Jun 10, 1993 Issued
Array ( [id] => 3051539 [patent_doc_number] => 05335633 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-09 [patent_title] => 'Internal combustion engine valve actuator apparatus' [patent_app_type] => 1 [patent_app_number] => 8/074356 [patent_app_country] => US [patent_app_date] => 1993-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2947 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 681 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/335/05335633.pdf [firstpage_image] =>[orig_patent_app_number] => 074356 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/074356
Internal combustion engine valve actuator apparatus Jun 9, 1993 Issued
Array ( [id] => 3030022 [patent_doc_number] => 05303680 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-19 [patent_title] => 'Lash adjusting mechanism for multi valve engine' [patent_app_type] => 1 [patent_app_number] => 8/074188 [patent_app_country] => US [patent_app_date] => 1993-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1188 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/303/05303680.pdf [firstpage_image] =>[orig_patent_app_number] => 074188 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/074188
Lash adjusting mechanism for multi valve engine Jun 9, 1993 Issued
Array ( [id] => 3013541 [patent_doc_number] => 05327859 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-12 [patent_title] => 'Engine timing drive with fixed and variable phasing' [patent_app_type] => 1 [patent_app_number] => 8/074439 [patent_app_country] => US [patent_app_date] => 1993-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1623 [patent_no_of_claims] => 9 [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/05/327/05327859.pdf [firstpage_image] =>[orig_patent_app_number] => 074439 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/074439
Engine timing drive with fixed and variable phasing Jun 8, 1993 Issued
Array ( [id] => 2994138 [patent_doc_number] => 05307769 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Low mass roller valve lifter assembly' [patent_app_type] => 1 [patent_app_number] => 8/072372 [patent_app_country] => US [patent_app_date] => 1993-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2484 [patent_no_of_claims] => 25 [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/05/307/05307769.pdf [firstpage_image] =>[orig_patent_app_number] => 072372 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/072372
Low mass roller valve lifter assembly Jun 6, 1993 Issued
Array ( [id] => 2987064 [patent_doc_number] => 05329890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Hydraulic control device' [patent_app_type] => 1 [patent_app_number] => 8/074822 [patent_app_country] => US [patent_app_date] => 1993-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2395 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/329/05329890.pdf [firstpage_image] =>[orig_patent_app_number] => 074822 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/074822
Hydraulic control device Jun 6, 1993 Issued
Array ( [id] => 3020454 [patent_doc_number] => 05372100 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-13 [patent_title] => 'Engine valve train pushrod' [patent_app_type] => 1 [patent_app_number] => 8/041154 [patent_app_country] => US [patent_app_date] => 1993-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1200 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/372/05372100.pdf [firstpage_image] =>[orig_patent_app_number] => 041154 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/041154
Engine valve train pushrod Jun 3, 1993 Issued
Array ( [id] => 2998081 [patent_doc_number] => 05331931 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-26 [patent_title] => 'Variable intake valve' [patent_app_type] => 1 [patent_app_number] => 8/070595 [patent_app_country] => US [patent_app_date] => 1993-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1500 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/331/05331931.pdf [firstpage_image] =>[orig_patent_app_number] => 070595 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/070595
Variable intake valve May 31, 1993 Issued
Array ( [id] => 3009253 [patent_doc_number] => 05347965 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-20 [patent_title] => 'Valve control device and method' [patent_app_type] => 1 [patent_app_number] => 8/069079 [patent_app_country] => US [patent_app_date] => 1993-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 4740 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/347/05347965.pdf [firstpage_image] =>[orig_patent_app_number] => 069079 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/069079
Valve control device and method May 27, 1993 Issued
Array ( [id] => 3046305 [patent_doc_number] => 05351661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'Multi-cylinder internal combustion engine valve actuator' [patent_app_type] => 1 [patent_app_number] => 8/063711 [patent_app_country] => US [patent_app_date] => 1993-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2679 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351661.pdf [firstpage_image] =>[orig_patent_app_number] => 063711 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/063711
Multi-cylinder internal combustion engine valve actuator May 20, 1993 Issued
Menu