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] => 1044902 [patent_doc_number] => 06863057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-08 [patent_title] => 'Fuel vapor treatment system' [patent_app_type] => utility [patent_app_number] => 10/163307 [patent_app_country] => US [patent_app_date] => 2002-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3979 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/863/06863057.pdf [firstpage_image] =>[orig_patent_app_number] => 10163307 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/163307
Fuel vapor treatment system Jun 6, 2002 Issued
Array ( [id] => 7124514 [patent_doc_number] => 20050056257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Fuel supply apparatus and fuel pressure regulator' [patent_app_type] => utility [patent_app_number] => 10/493579 [patent_app_country] => US [patent_app_date] => 2002-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3485 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0056/20050056257.pdf [firstpage_image] =>[orig_patent_app_number] => 10493579 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/493579
Fuel supply apparatus and fuel pressure regulator May 28, 2002 Issued
Array ( [id] => 5899489 [patent_doc_number] => 20020139334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-03 [patent_title] => 'Valve timing regulation device' [patent_app_type] => new [patent_app_number] => 10/153650 [patent_app_country] => US [patent_app_date] => 2002-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 14579 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0139/20020139334.pdf [firstpage_image] =>[orig_patent_app_number] => 10153650 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/153650
Valve timing regulation device May 23, 2002 Issued
Array ( [id] => 7445741 [patent_doc_number] => 20040099250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-27 [patent_title] => 'Fuel injection system for an internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/362014 [patent_app_country] => US [patent_app_date] => 2003-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3276 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0099/20040099250.pdf [firstpage_image] =>[orig_patent_app_number] => 10362014 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/362014
Fuel injection system for an internal combustion engine May 17, 2002 Issued
Array ( [id] => 986726 [patent_doc_number] => 06920866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-26 [patent_title] => 'Method and arrangement for the transport of fuel at a combustion engine' [patent_app_type] => utility [patent_app_number] => 10/477009 [patent_app_country] => US [patent_app_date] => 2002-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1989 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/920/06920866.pdf [firstpage_image] =>[orig_patent_app_number] => 10477009 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/477009
Method and arrangement for the transport of fuel at a combustion engine Apr 23, 2002 Issued
Array ( [id] => 6423025 [patent_doc_number] => 20020174842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-28 [patent_title] => 'Internal combustion engine with at least two cam shafts arranged adjacent to each other in the cylinder head, particularly with an intake camshaft and an exhaust camshaft' [patent_app_type] => new [patent_app_number] => 10/120961 [patent_app_country] => US [patent_app_date] => 2002-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2877 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 410 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0174/20020174842.pdf [firstpage_image] =>[orig_patent_app_number] => 10120961 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/120961
Internal combustion engine with at least two cam shafts arranged adjacent to each other in the cylinder head, particularly with an intake camshaft and an exhaust camshaft Apr 10, 2002 Issued
Array ( [id] => 6863178 [patent_doc_number] => 20030188704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-09 [patent_title] => 'Variable cam timing unit oil supply arrangement' [patent_app_type] => new [patent_app_number] => 10/063294 [patent_app_country] => US [patent_app_date] => 2002-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2857 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0188/20030188704.pdf [firstpage_image] =>[orig_patent_app_number] => 10063294 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/063294
Variable cam timing unit oil supply arrangement Apr 8, 2002 Issued
Array ( [id] => 1129185 [patent_doc_number] => 06782856 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-08-31 [patent_title] => 'Camshaft accumulator' [patent_app_type] => B2 [patent_app_number] => 10/063297 [patent_app_country] => US [patent_app_date] => 2002-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2767 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/782/06782856.pdf [firstpage_image] =>[orig_patent_app_number] => 10063297 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/063297
Camshaft accumulator Apr 8, 2002 Issued
Array ( [id] => 1402197 [patent_doc_number] => 06505587 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-14 [patent_title] => 'System for the rotation of a camshaft relative to a crankshaft of an internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 10/116333 [patent_app_country] => US [patent_app_date] => 2002-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3226 [patent_no_of_claims] => 5 [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/06/505/06505587.pdf [firstpage_image] =>[orig_patent_app_number] => 10116333 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/116333
System for the rotation of a camshaft relative to a crankshaft of an internal combustion engine Apr 3, 2002 Issued
Array ( [id] => 6168544 [patent_doc_number] => 20020152978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-24 [patent_title] => 'Valve timing control system of internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/114063 [patent_app_country] => US [patent_app_date] => 2002-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8460 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 610 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0152/20020152978.pdf [firstpage_image] =>[orig_patent_app_number] => 10114063 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/114063
Valve timing control system of internal combustion engine Apr 2, 2002 Issued
Array ( [id] => 970299 [patent_doc_number] => 06935303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-30 [patent_title] => 'Method of controlling the injection of fluid into an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/472890 [patent_app_country] => US [patent_app_date] => 2002-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5821 [patent_no_of_claims] => 9 [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/06/935/06935303.pdf [firstpage_image] =>[orig_patent_app_number] => 10472890 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/472890
Method of controlling the injection of fluid into an internal combustion engine Mar 26, 2002 Issued
Array ( [id] => 5781525 [patent_doc_number] => 20020157623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-31 [patent_title] => 'HYDRAULIC VALVE ACTUATION SYSTEMS AND METHODS' [patent_app_type] => new [patent_app_number] => 10/108246 [patent_app_country] => US [patent_app_date] => 2002-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6740 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0157/20020157623.pdf [firstpage_image] =>[orig_patent_app_number] => 10108246 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/108246
HYDRAULIC VALVE ACTUATION SYSTEMS AND METHODS Mar 24, 2002 Abandoned
Array ( [id] => 1525082 [patent_doc_number] => 06477998 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-12 [patent_title] => 'Cam actuated continuous simultaneously variable valve timing and lifting assembly' [patent_app_type] => B1 [patent_app_number] => 10/104431 [patent_app_country] => US [patent_app_date] => 2002-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 3590 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/477/06477998.pdf [firstpage_image] =>[orig_patent_app_number] => 10104431 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/104431
Cam actuated continuous simultaneously variable valve timing and lifting assembly Mar 21, 2002 Issued
Array ( [id] => 6499261 [patent_doc_number] => 20020134331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-26 [patent_title] => 'Internal-combustion engine with hydraulic system for variable operation of the engine valves' [patent_app_type] => new [patent_app_number] => 10/102922 [patent_app_country] => US [patent_app_date] => 2002-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2034 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20020134331.pdf [firstpage_image] =>[orig_patent_app_number] => 10102922 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/102922
Internal-combustion engine with hydraulic system for variable operation of the engine valves Mar 21, 2002 Issued
Array ( [id] => 1389809 [patent_doc_number] => 06520130 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-18 [patent_title] => 'Internal-combustion engine with hydraulic system for variable operation of the valves and with means for bleeding the hydraulic system' [patent_app_type] => B2 [patent_app_number] => 10/102924 [patent_app_country] => US [patent_app_date] => 2002-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1965 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/520/06520130.pdf [firstpage_image] =>[orig_patent_app_number] => 10102924 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/102924
Internal-combustion engine with hydraulic system for variable operation of the valves and with means for bleeding the hydraulic system Mar 21, 2002 Issued
Array ( [id] => 6499241 [patent_doc_number] => 20020134328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-26 [patent_title] => 'Internal-combustion engine with hydraulic system for variable operation of the valves and means for compensating variations in volume of the hydraulic fluid' [patent_app_type] => new [patent_app_number] => 10/102727 [patent_app_country] => US [patent_app_date] => 2002-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2628 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20020134328.pdf [firstpage_image] =>[orig_patent_app_number] => 10102727 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/102727
Internal-combustion engine with hydraulic system for variable operation of the valves and means for compensating variations in volume of the hydraulic fluid Mar 21, 2002 Issued
Array ( [id] => 1357872 [patent_doc_number] => 06553950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-29 [patent_title] => 'Internal-combustion engine with variable-operation valves and auxiliary hydraulic tappet' [patent_app_type] => B2 [patent_app_number] => 10/102753 [patent_app_country] => US [patent_app_date] => 2002-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3097 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 393 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/553/06553950.pdf [firstpage_image] =>[orig_patent_app_number] => 10102753 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/102753
Internal-combustion engine with variable-operation valves and auxiliary hydraulic tappet Mar 21, 2002 Issued
Array ( [id] => 1389793 [patent_doc_number] => 06520129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-18 [patent_title] => 'Internal combustion engine with an hydraulic system for the variable driving of valves and a double-piston tappet' [patent_app_type] => B2 [patent_app_number] => 10/102750 [patent_app_country] => US [patent_app_date] => 2002-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2125 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/520/06520129.pdf [firstpage_image] =>[orig_patent_app_number] => 10102750 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/102750
Internal combustion engine with an hydraulic system for the variable driving of valves and a double-piston tappet Mar 21, 2002 Issued
Array ( [id] => 1370254 [patent_doc_number] => 06539903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-01 [patent_title] => 'Compound movement elliptic valve assembly' [patent_app_type] => B2 [patent_app_number] => 10/096000 [patent_app_country] => US [patent_app_date] => 2002-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1609 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/539/06539903.pdf [firstpage_image] =>[orig_patent_app_number] => 10096000 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/096000
Compound movement elliptic valve assembly Mar 11, 2002 Issued
Array ( [id] => 1391551 [patent_doc_number] => 06516764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-11 [patent_title] => 'Camshaft supporting structure for four-stroke cycle engine' [patent_app_type] => B2 [patent_app_number] => 10/063015 [patent_app_country] => US [patent_app_date] => 2002-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4435 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/516/06516764.pdf [firstpage_image] =>[orig_patent_app_number] => 10063015 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/063015
Camshaft supporting structure for four-stroke cycle engine Mar 11, 2002 Issued
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