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] => 2943368 [patent_doc_number] => 05263442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Valve timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 7/920851 [patent_app_country] => US [patent_app_date] => 1992-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3853 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/263/05263442.pdf [firstpage_image] =>[orig_patent_app_number] => 920851 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/920851
Valve timing control apparatus Jul 27, 1992 Issued
Array ( [id] => 2939897 [patent_doc_number] => 05197421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Valve timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 7/919741 [patent_app_country] => US [patent_app_date] => 1992-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4716 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/197/05197421.pdf [firstpage_image] =>[orig_patent_app_number] => 919741 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/919741
Valve timing control apparatus Jul 26, 1992 Issued
Array ( [id] => 2919687 [patent_doc_number] => 05189998 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Valve mechanism of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/914576 [patent_app_country] => US [patent_app_date] => 1992-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3768 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/189/05189998.pdf [firstpage_image] =>[orig_patent_app_number] => 914576 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/914576
Valve mechanism of internal combustion engine Jul 19, 1992 Issued
Array ( [id] => 2987139 [patent_doc_number] => 05329894 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Variable valve timing' [patent_app_type] => 1 [patent_app_number] => 7/910183 [patent_app_country] => US [patent_app_date] => 1992-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1432 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/329/05329894.pdf [firstpage_image] =>[orig_patent_app_number] => 910183 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/910183
Variable valve timing Jul 16, 1992 Issued
Array ( [id] => 2919671 [patent_doc_number] => 05189997 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Internal-combustion engine comprising a rocker lever valve gear' [patent_app_type] => 1 [patent_app_number] => 7/906874 [patent_app_country] => US [patent_app_date] => 1992-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1645 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/189/05189997.pdf [firstpage_image] =>[orig_patent_app_number] => 906874 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/906874
Internal-combustion engine comprising a rocker lever valve gear Jul 1, 1992 Issued
Array ( [id] => 2954046 [patent_doc_number] => 05193497 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Valve arrangement' [patent_app_type] => 1 [patent_app_number] => 7/852247 [patent_app_country] => US [patent_app_date] => 1992-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1824 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/193/05193497.pdf [firstpage_image] =>[orig_patent_app_number] => 852247 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/852247
Valve arrangement Jun 29, 1992 Issued
Array ( [id] => 2914380 [patent_doc_number] => 05188067 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-23 [patent_title] => 'Adjustable valve system for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/905692 [patent_app_country] => US [patent_app_date] => 1992-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 3280 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/188/05188067.pdf [firstpage_image] =>[orig_patent_app_number] => 905692 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/905692
Adjustable valve system for an internal combustion engine Jun 29, 1992 Issued
07/903686 VARIABLE VALVE ACTUATION CONTROL SYSTEM Jun 23, 1992 Abandoned
Array ( [id] => 3009200 [patent_doc_number] => 05347962 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-20 [patent_title] => 'Valve mechanism of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/903336 [patent_app_country] => US [patent_app_date] => 1992-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 6266 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/347/05347962.pdf [firstpage_image] =>[orig_patent_app_number] => 903336 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/903336
Valve mechanism of internal combustion engine Jun 23, 1992 Issued
07/901998 CERAMIC ADJUSTING SHIM Jun 21, 1992 Abandoned
Array ( [id] => 2888243 [patent_doc_number] => 05215047 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Seal assembly' [patent_app_type] => 1 [patent_app_number] => 7/897698 [patent_app_country] => US [patent_app_date] => 1992-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3504 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/215/05215047.pdf [firstpage_image] =>[orig_patent_app_number] => 897698 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/897698
Seal assembly Jun 11, 1992 Issued
Array ( [id] => 2902608 [patent_doc_number] => 05199393 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-06 [patent_title] => 'Timing apparatus for a four-stroke engine with camshafts running at differentiated angular rotation' [patent_app_type] => 1 [patent_app_number] => 7/897321 [patent_app_country] => US [patent_app_date] => 1992-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 901 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/199/05199393.pdf [firstpage_image] =>[orig_patent_app_number] => 897321 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/897321
Timing apparatus for a four-stroke engine with camshafts running at differentiated angular rotation Jun 10, 1992 Issued
Array ( [id] => 2881270 [patent_doc_number] => 05216987 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Method and apparatus for optimizing breathing utilizing unit valve actuation' [patent_app_type] => 1 [patent_app_number] => 7/891612 [patent_app_country] => US [patent_app_date] => 1992-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4594 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/216/05216987.pdf [firstpage_image] =>[orig_patent_app_number] => 891612 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/891612
Method and apparatus for optimizing breathing utilizing unit valve actuation May 31, 1992 Issued
Array ( [id] => 2914884 [patent_doc_number] => 05195475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 7/890992 [patent_app_country] => US [patent_app_date] => 1992-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1981 [patent_no_of_claims] => 23 [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/05/195/05195475.pdf [firstpage_image] =>[orig_patent_app_number] => 890992 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/890992
Rocker arm assembly May 28, 1992 Issued
Array ( [id] => 2890006 [patent_doc_number] => 05247914 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Intake- and/or exhaust-valve timing control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/888649 [patent_app_country] => US [patent_app_date] => 1992-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6326 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/247/05247914.pdf [firstpage_image] =>[orig_patent_app_number] => 888649 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/888649
Intake- and/or exhaust-valve timing control system for internal combustion engines May 26, 1992 Issued
Array ( [id] => 2867351 [patent_doc_number] => 05213072 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-25 [patent_title] => 'Valve actuating mechanism in the cylinder head of a combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/885131 [patent_app_country] => US [patent_app_date] => 1992-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3015 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/213/05213072.pdf [firstpage_image] =>[orig_patent_app_number] => 885131 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/885131
Valve actuating mechanism in the cylinder head of a combustion engine May 17, 1992 Issued
Array ( [id] => 2898105 [patent_doc_number] => 05178107 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Valve lifter' [patent_app_type] => 1 [patent_app_number] => 7/884903 [patent_app_country] => US [patent_app_date] => 1992-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3475 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178107.pdf [firstpage_image] =>[orig_patent_app_number] => 884903 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/884903
Valve lifter May 17, 1992 Issued
Array ( [id] => 2898121 [patent_doc_number] => 05178108 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Camshaft drive for an automotive engine' [patent_app_type] => 1 [patent_app_number] => 7/883517 [patent_app_country] => US [patent_app_date] => 1992-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 897 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178108.pdf [firstpage_image] =>[orig_patent_app_number] => 883517 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/883517
Camshaft drive for an automotive engine May 14, 1992 Issued
Array ( [id] => 2955617 [patent_doc_number] => 05207192 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Variable camshaft timing system utilizing square-edged spool valve' [patent_app_type] => 1 [patent_app_number] => 7/883096 [patent_app_country] => US [patent_app_date] => 1992-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 41 [patent_no_of_words] => 5749 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 632 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/207/05207192.pdf [firstpage_image] =>[orig_patent_app_number] => 883096 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/883096
Variable camshaft timing system utilizing square-edged spool valve May 14, 1992 Issued
Array ( [id] => 2898819 [patent_doc_number] => 05205249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Variable camshaft timing system for internal combustion engine utilizing flywheel energy for reduced camshaft torsionals' [patent_app_type] => 1 [patent_app_number] => 7/883581 [patent_app_country] => US [patent_app_date] => 1992-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 4322 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/205/05205249.pdf [firstpage_image] =>[orig_patent_app_number] => 883581 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/883581
Variable camshaft timing system for internal combustion engine utilizing flywheel energy for reduced camshaft torsionals May 13, 1992 Issued
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