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] => 3061136 [patent_doc_number] => 05322039 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-21 [patent_title] => 'Valve spring top collar' [patent_app_type] => 1 [patent_app_number] => 8/128482 [patent_app_country] => US [patent_app_date] => 1993-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1988 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/322/05322039.pdf [firstpage_image] =>[orig_patent_app_number] => 128482 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/128482
Valve spring top collar Sep 27, 1993 Issued
Array ( [id] => 2987166 [patent_doc_number] => 05329895 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'System for controlling valve shift timing of an engine' [patent_app_type] => 1 [patent_app_number] => 8/127280 [patent_app_country] => US [patent_app_date] => 1993-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 11458 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/329/05329895.pdf [firstpage_image] =>[orig_patent_app_number] => 127280 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/127280
System for controlling valve shift timing of an engine Sep 26, 1993 Issued
Array ( [id] => 3046327 [patent_doc_number] => 05351662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'Valve control means' [patent_app_type] => 1 [patent_app_number] => 8/126380 [patent_app_country] => US [patent_app_date] => 1993-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5676 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351662.pdf [firstpage_image] =>[orig_patent_app_number] => 126380 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/126380
Valve control means Sep 23, 1993 Issued
Array ( [id] => 3025392 [patent_doc_number] => 05333577 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-02 [patent_title] => 'Variable valve operation timing control device' [patent_app_type] => 1 [patent_app_number] => 8/124554 [patent_app_country] => US [patent_app_date] => 1993-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6617 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/333/05333577.pdf [firstpage_image] =>[orig_patent_app_number] => 124554 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/124554
Variable valve operation timing control device Sep 21, 1993 Issued
Array ( [id] => 2976294 [patent_doc_number] => 05361734 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-08 [patent_title] => 'Valve control device for an engine' [patent_app_type] => 1 [patent_app_number] => 8/121565 [patent_app_country] => US [patent_app_date] => 1993-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3665 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/361/05361734.pdf [firstpage_image] =>[orig_patent_app_number] => 121565 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/121565
Valve control device for an engine Sep 15, 1993 Issued
Array ( [id] => 3406606 [patent_doc_number] => 05388552 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-14 [patent_title] => 'Valve operating device for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/121992 [patent_app_country] => US [patent_app_date] => 1993-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 11490 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/388/05388552.pdf [firstpage_image] =>[orig_patent_app_number] => 121992 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/121992
Valve operating device for an internal combustion engine Sep 14, 1993 Issued
Array ( [id] => 2974040 [patent_doc_number] => 05365895 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-22 [patent_title] => 'Variable valve lift mechanism for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/122223 [patent_app_country] => US [patent_app_date] => 1993-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5183 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/365/05365895.pdf [firstpage_image] =>[orig_patent_app_number] => 122223 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/122223
Variable valve lift mechanism for internal combustion engine Sep 14, 1993 Issued
Array ( [id] => 3033940 [patent_doc_number] => 05343833 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-06 [patent_title] => 'Valve gear device for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/120424 [patent_app_country] => US [patent_app_date] => 1993-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3626 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/343/05343833.pdf [firstpage_image] =>[orig_patent_app_number] => 120424 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/120424
Valve gear device for internal combustion engines Sep 13, 1993 Issued
Array ( [id] => 3397236 [patent_doc_number] => 05460127 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-24 [patent_title] => 'Steam boiler' [patent_app_type] => 1 [patent_app_number] => 8/117719 [patent_app_country] => US [patent_app_date] => 1993-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5189 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/460/05460127.pdf [firstpage_image] =>[orig_patent_app_number] => 117719 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/117719
Steam boiler Sep 7, 1993 Issued
Array ( [id] => 3442381 [patent_doc_number] => 05400749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-28 [patent_title] => 'Valve lifter of valve mechanism for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/118157 [patent_app_country] => US [patent_app_date] => 1993-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3064 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/400/05400749.pdf [firstpage_image] =>[orig_patent_app_number] => 118157 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/118157
Valve lifter of valve mechanism for internal combustion engine Sep 7, 1993 Issued
Array ( [id] => 2978407 [patent_doc_number] => 05357918 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Valve operating mechanism for internal-combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/116756 [patent_app_country] => US [patent_app_date] => 1993-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1590 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/357/05357918.pdf [firstpage_image] =>[orig_patent_app_number] => 116756 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/116756
Valve operating mechanism for internal-combustion engines Sep 6, 1993 Issued
Array ( [id] => 3009235 [patent_doc_number] => 05347964 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-20 [patent_title] => 'Valve train for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/116629 [patent_app_country] => US [patent_app_date] => 1993-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2327 [patent_no_of_claims] => 2 [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/05/347/05347964.pdf [firstpage_image] =>[orig_patent_app_number] => 116629 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/116629
Valve train for internal combustion engines Sep 6, 1993 Issued
Array ( [id] => 4341690 [patent_doc_number] => 06167856 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-02 [patent_title] => 'Low friction cam shaft' [patent_app_type] => 1 [patent_app_number] => 8/115974 [patent_app_country] => US [patent_app_date] => 1993-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 4018 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/167/06167856.pdf [firstpage_image] =>[orig_patent_app_number] => 115974 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/115974
Low friction cam shaft Sep 2, 1993 Issued
08/108577 ROCKER ARM WITH A ROLLER AND A METHOD FOR MANUFACTURING THE SAME Sep 2, 1993 Abandoned
Array ( [id] => 3056097 [patent_doc_number] => 05295459 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Camshaft drive for V-type or horizontally opposed engine' [patent_app_type] => 1 [patent_app_number] => 8/114195 [patent_app_country] => US [patent_app_date] => 1993-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1582 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/295/05295459.pdf [firstpage_image] =>[orig_patent_app_number] => 114195 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/114195
Camshaft drive for V-type or horizontally opposed engine Aug 29, 1993 Issued
Array ( [id] => 2971506 [patent_doc_number] => 05345898 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Valve operating mechanism for an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/112328 [patent_app_country] => US [patent_app_date] => 1993-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2270 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/345/05345898.pdf [firstpage_image] =>[orig_patent_app_number] => 112328 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/112328
Valve operating mechanism for an internal-combustion engine Aug 26, 1993 Issued
Array ( [id] => 2987082 [patent_doc_number] => 05329891 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 8/113462 [patent_app_country] => US [patent_app_date] => 1993-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2212 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/329/05329891.pdf [firstpage_image] =>[orig_patent_app_number] => 113462 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/113462
Rocker arm assembly Aug 26, 1993 Issued
Array ( [id] => 3031464 [patent_doc_number] => 05323742 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Shim structure in use for valve tappet of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/111629 [patent_app_country] => US [patent_app_date] => 1993-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4939 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/323/05323742.pdf [firstpage_image] =>[orig_patent_app_number] => 111629 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/111629
Shim structure in use for valve tappet of internal combustion engine Aug 24, 1993 Issued
Array ( [id] => 3046349 [patent_doc_number] => 05351663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'V-type engine' [patent_app_type] => 1 [patent_app_number] => 8/109483 [patent_app_country] => US [patent_app_date] => 1993-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4233 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351663.pdf [firstpage_image] =>[orig_patent_app_number] => 109483 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/109483
V-type engine Aug 19, 1993 Issued
Array ( [id] => 3080677 [patent_doc_number] => 05313917 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Self-aligning valve assembly' [patent_app_type] => 1 [patent_app_number] => 8/108433 [patent_app_country] => US [patent_app_date] => 1993-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2305 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/313/05313917.pdf [firstpage_image] =>[orig_patent_app_number] => 108433 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/108433
Self-aligning valve assembly Aug 17, 1993 Issued
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