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] => 1590055 [patent_doc_number] => 06491010 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-10 [patent_title] => 'Over-head cam type V-type engine' [patent_app_type] => B2 [patent_app_number] => 10/093209 [patent_app_country] => US [patent_app_date] => 2002-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6832 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/491/06491010.pdf [firstpage_image] =>[orig_patent_app_number] => 10093209 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/093209
Over-head cam type V-type engine Mar 6, 2002 Issued
Array ( [id] => 1583323 [patent_doc_number] => 06481398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-11-19 [patent_title] => 'High-low speed range switching type valve mechanism for internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/683965 [patent_app_country] => US [patent_app_date] => 2002-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2992 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/481/06481398.pdf [firstpage_image] =>[orig_patent_app_number] => 09683965 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/683965
High-low speed range switching type valve mechanism for internal combustion engine Mar 6, 2002 Issued
Array ( [id] => 6361150 [patent_doc_number] => 20020117133 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-29 [patent_title] => 'Selectable 2-stroke/4-stroke camshaft drive system' [patent_app_type] => new [patent_app_number] => 10/092134 [patent_app_country] => US [patent_app_date] => 2002-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2568 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0117/20020117133.pdf [firstpage_image] =>[orig_patent_app_number] => 10092134 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/092134
Selectable 2-stroke/4-stroke camshaft drive system Mar 5, 2002 Issued
Array ( [id] => 5855535 [patent_doc_number] => 20020121255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-05 [patent_title] => 'Valve train of an internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/086207 [patent_app_country] => US [patent_app_date] => 2002-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1612 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0121/20020121255.pdf [firstpage_image] =>[orig_patent_app_number] => 10086207 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/086207
Valve train of an internal combustion engine Feb 27, 2002 Issued
Array ( [id] => 1593693 [patent_doc_number] => 06474279 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-11-05 [patent_title] => 'Valve train of an internal combustion engine comprising a switchable, rotationally symmetrical component' [patent_app_type] => B2 [patent_app_number] => 10/078993 [patent_app_country] => US [patent_app_date] => 2002-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1801 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/474/06474279.pdf [firstpage_image] =>[orig_patent_app_number] => 10078993 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/078993
Valve train of an internal combustion engine comprising a switchable, rotationally symmetrical component Feb 18, 2002 Issued
Array ( [id] => 5839281 [patent_doc_number] => 20020129779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'VARIABLE VALVE DRIVE SYSTEM FOR AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => new [patent_app_number] => 09/683788 [patent_app_country] => US [patent_app_date] => 2002-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2509 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0129/20020129779.pdf [firstpage_image] =>[orig_patent_app_number] => 09683788 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/683788
Variable valve drive system for an internal combustion engine Feb 13, 2002 Issued
Array ( [id] => 6121546 [patent_doc_number] => 20020073948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-20 [patent_title] => 'Valve mechanism, in particular for internal combustion engines' [patent_app_type] => new [patent_app_number] => 10/075066 [patent_app_country] => US [patent_app_date] => 2002-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7169 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0073/20020073948.pdf [firstpage_image] =>[orig_patent_app_number] => 10075066 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/075066
Valve mechanism, in particular for internal combustion engines Feb 11, 2002 Abandoned
Array ( [id] => 6121545 [patent_doc_number] => 20020073947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-20 [patent_title] => 'Valve mechanism, in particular for internal combustion engines of motor vehicles' [patent_app_type] => new [patent_app_number] => 10/074811 [patent_app_country] => US [patent_app_date] => 2002-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 7141 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0073/20020073947.pdf [firstpage_image] =>[orig_patent_app_number] => 10074811 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/074811
Valve mechanism, in particular for internal combustion engines of motor vehicles Feb 11, 2002 Issued
Array ( [id] => 1402229 [patent_doc_number] => 06505589 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-14 [patent_title] => 'Single cam three-valve engine overhead valve train' [patent_app_type] => B1 [patent_app_number] => 10/061684 [patent_app_country] => US [patent_app_date] => 2002-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2283 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/505/06505589.pdf [firstpage_image] =>[orig_patent_app_number] => 10061684 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/061684
Single cam three-valve engine overhead valve train Jan 31, 2002 Issued
Array ( [id] => 1462764 [patent_doc_number] => 06457448 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-01 [patent_title] => 'Device for varying the control times of gas exchange valves of an internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 10/048809 [patent_app_country] => US [patent_app_date] => 2002-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3782 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 503 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/457/06457448.pdf [firstpage_image] =>[orig_patent_app_number] => 10048809 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/048809
Device for varying the control times of gas exchange valves of an internal combustion engine Jan 28, 2002 Issued
Array ( [id] => 6267331 [patent_doc_number] => 20020104497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-08 [patent_title] => 'Accessory drive for the valves of an internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/055548 [patent_app_country] => US [patent_app_date] => 2002-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4604 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0104/20020104497.pdf [firstpage_image] =>[orig_patent_app_number] => 10055548 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/055548
Accessory drive for the valves of an internal combustion engine Jan 22, 2002 Issued
Array ( [id] => 1397514 [patent_doc_number] => 06510826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-01-28 [patent_title] => 'Valve timing control device of internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 10/046826 [patent_app_country] => US [patent_app_date] => 2002-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7372 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/510/06510826.pdf [firstpage_image] =>[orig_patent_app_number] => 10046826 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/046826
Valve timing control device of internal combustion engine Jan 16, 2002 Issued
Array ( [id] => 1502157 [patent_doc_number] => 06439184 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-27 [patent_title] => 'Valve timing adjusting system of internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 10/046816 [patent_app_country] => US [patent_app_date] => 2002-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 13260 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 412 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/439/06439184.pdf [firstpage_image] =>[orig_patent_app_number] => 10046816 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/046816
Valve timing adjusting system of internal combustion engine Jan 16, 2002 Issued
Array ( [id] => 1269831 [patent_doc_number] => 06644254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-11-11 [patent_title] => 'Valve train for internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 10/045050 [patent_app_country] => US [patent_app_date] => 2002-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7744 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/644/06644254.pdf [firstpage_image] =>[orig_patent_app_number] => 10045050 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/045050
Valve train for internal combustion engine Jan 14, 2002 Issued
Array ( [id] => 1525079 [patent_doc_number] => 06477997 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-12 [patent_title] => 'Apparatus for controlling the operation of a valve in an internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 10/047232 [patent_app_country] => US [patent_app_date] => 2002-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4645 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/477/06477997.pdf [firstpage_image] =>[orig_patent_app_number] => 10047232 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/047232
Apparatus for controlling the operation of a valve in an internal combustion engine Jan 13, 2002 Issued
Array ( [id] => 1406619 [patent_doc_number] => 06502537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-01-07 [patent_title] => 'Valve timing control device of internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 10/042257 [patent_app_country] => US [patent_app_date] => 2002-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 8326 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/502/06502537.pdf [firstpage_image] =>[orig_patent_app_number] => 10042257 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/042257
Valve timing control device of internal combustion engine Jan 10, 2002 Issued
Array ( [id] => 1590049 [patent_doc_number] => 06491009 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-10 [patent_title] => 'Method of controlling a device for varying the valve control times of an internal combustion engine, especially a camshaft adjustment device with a hydraulicaly releasable start locking system' [patent_app_type] => B1 [patent_app_number] => 10/019555 [patent_app_country] => US [patent_app_date] => 2002-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3668 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 923 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/491/06491009.pdf [firstpage_image] =>[orig_patent_app_number] => 10019555 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/019555
Method of controlling a device for varying the valve control times of an internal combustion engine, especially a camshaft adjustment device with a hydraulicaly releasable start locking system Jan 8, 2002 Issued
Array ( [id] => 1462754 [patent_doc_number] => 06457445 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-01 [patent_title] => 'Valve lift control device' [patent_app_type] => B1 [patent_app_number] => 10/030047 [patent_app_country] => US [patent_app_date] => 2002-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 32 [patent_no_of_words] => 8054 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/457/06457445.pdf [firstpage_image] =>[orig_patent_app_number] => 10030047 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/030047
Valve lift control device Jan 6, 2002 Issued
Array ( [id] => 1395397 [patent_doc_number] => 06513474 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-04 [patent_title] => 'Assembly to secure engine camshaft' [patent_app_type] => B2 [patent_app_number] => 10/028664 [patent_app_country] => US [patent_app_date] => 2001-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1370 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/513/06513474.pdf [firstpage_image] =>[orig_patent_app_number] => 10028664 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/028664
Assembly to secure engine camshaft Dec 27, 2001 Issued
Array ( [id] => 6090583 [patent_doc_number] => 20020050258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-02 [patent_title] => 'Valve timing adjusting device' [patent_app_type] => new [patent_app_number] => 10/022264 [patent_app_country] => US [patent_app_date] => 2001-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12280 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20020050258.pdf [firstpage_image] =>[orig_patent_app_number] => 10022264 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/022264
Valve timing adjusting device Dec 19, 2001 Issued
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