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] => 1498684 [patent_doc_number] => 06463896 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-15 [patent_title] => 'Apparatus for controlling position of electromagnetically operated engine valve' [patent_app_type] => B1 [patent_app_number] => 09/831367 [patent_app_country] => US [patent_app_date] => 2001-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 5682 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/463/06463896.pdf [firstpage_image] =>[orig_patent_app_number] => 09831367 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/831367
Apparatus for controlling position of electromagnetically operated engine valve May 14, 2001 Issued
Array ( [id] => 7203944 [patent_doc_number] => 20040069872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Fuel injection device' [patent_app_type] => new [patent_app_number] => 10/276559 [patent_app_country] => US [patent_app_date] => 2003-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5050 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0069/20040069872.pdf [firstpage_image] =>[orig_patent_app_number] => 10276559 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/276559
Fuel injection device May 14, 2001 Issued
Array ( [id] => 4304882 [patent_doc_number] => 06318318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 9/681642 [patent_app_country] => US [patent_app_date] => 2001-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3268 [patent_no_of_claims] => 15 [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/06/318/06318318.pdf [firstpage_image] =>[orig_patent_app_number] => 681642 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/681642
Rocker arm assembly May 14, 2001 Issued
Array ( [id] => 1397551 [patent_doc_number] => 06510828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-01-28 [patent_title] => 'Mounting device of cam chain guide' [patent_app_type] => B2 [patent_app_number] => 09/851971 [patent_app_country] => US [patent_app_date] => 2001-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 2226 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/510/06510828.pdf [firstpage_image] =>[orig_patent_app_number] => 09851971 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/851971
Mounting device of cam chain guide May 9, 2001 Issued
Array ( [id] => 6561381 [patent_doc_number] => 20020014217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-07 [patent_title] => 'Hydraulically actuated latching pin valve deactivation' [patent_app_type] => new [patent_app_number] => 09/851954 [patent_app_country] => US [patent_app_date] => 2001-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4046 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0014/20020014217.pdf [firstpage_image] =>[orig_patent_app_number] => 09851954 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/851954
Hydraulically actuated latching pin valve deactivation May 8, 2001 Abandoned
Array ( [id] => 6890954 [patent_doc_number] => 20010017116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-30 [patent_title] => 'Valve timing control device' [patent_app_type] => new [patent_app_number] => 09/850298 [patent_app_country] => US [patent_app_date] => 2001-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4460 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0017/20010017116.pdf [firstpage_image] =>[orig_patent_app_number] => 09850298 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/850298
Valve timing control device May 7, 2001 Issued
Array ( [id] => 1469231 [patent_doc_number] => 06386163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-05-14 [patent_title] => 'Valve system for an engine' [patent_app_type] => B2 [patent_app_number] => 09/848238 [patent_app_country] => US [patent_app_date] => 2001-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12292 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/386/06386163.pdf [firstpage_image] =>[orig_patent_app_number] => 09848238 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/848238
Valve system for an engine May 3, 2001 Issued
Array ( [id] => 5869798 [patent_doc_number] => 20020046718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-25 [patent_title] => 'Deactivation roller hydraulic valve lifter' [patent_app_type] => new [patent_app_number] => 09/840375 [patent_app_country] => US [patent_app_date] => 2001-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8864 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0046/20020046718.pdf [firstpage_image] =>[orig_patent_app_number] => 09840375 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/840375
Deactivation roller hydraulic valve lifter Apr 22, 2001 Issued
Array ( [id] => 7062870 [patent_doc_number] => 20010042527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-22 [patent_title] => 'Cam angle sensor mounting structure for engine' [patent_app_type] => new [patent_app_number] => 09/681523 [patent_app_country] => US [patent_app_date] => 2001-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2911 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0042/20010042527.pdf [firstpage_image] =>[orig_patent_app_number] => 09681523 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/681523
CAM angle sensor mounting structure for engine Apr 22, 2001 Issued
Array ( [id] => 1587160 [patent_doc_number] => 06382153 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-07 [patent_title] => 'Partial internal guide for curved helical compression spring' [patent_app_type] => B1 [patent_app_number] => 09/832582 [patent_app_country] => US [patent_app_date] => 2001-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3167 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/382/06382153.pdf [firstpage_image] =>[orig_patent_app_number] => 09832582 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/832582
Partial internal guide for curved helical compression spring Apr 10, 2001 Issued
Array ( [id] => 1469214 [patent_doc_number] => 06386157 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Method for controlling an internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 09/787820 [patent_app_country] => US [patent_app_date] => 2001-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3141 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/386/06386157.pdf [firstpage_image] =>[orig_patent_app_number] => 09787820 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/787820
Method for controlling an internal combustion engine Mar 22, 2001 Issued
Array ( [id] => 1324277 [patent_doc_number] => 06591797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-07-15 [patent_title] => 'Variable fulcrum rocker arm' [patent_app_type] => B2 [patent_app_number] => 09/816868 [patent_app_country] => US [patent_app_date] => 2001-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3997 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/591/06591797.pdf [firstpage_image] =>[orig_patent_app_number] => 09816868 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/816868
Variable fulcrum rocker arm Mar 22, 2001 Issued
Array ( [id] => 6878628 [patent_doc_number] => 20010029913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-10-18 [patent_title] => 'Method for regulation of currents during phases of stoppage in electromagnetic actuators, for actuation of intake and exhaust valves in internal-combustion engines' [patent_app_type] => new [patent_app_number] => 09/815369 [patent_app_country] => US [patent_app_date] => 2001-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3770 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0029/20010029913.pdf [firstpage_image] =>[orig_patent_app_number] => 09815369 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/815369
Method for regulation of currents during phases of stoppage in electromagnetic actuators, for actuation of intake and exhaust valves in internal-combustion engines Mar 21, 2001 Issued
Array ( [id] => 1587165 [patent_doc_number] => 06382154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-05-07 [patent_title] => 'Device for changing the timing of intake and exhaust valves in an internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/813385 [patent_app_country] => US [patent_app_date] => 2001-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2283 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/382/06382154.pdf [firstpage_image] =>[orig_patent_app_number] => 09813385 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/813385
Device for changing the timing of intake and exhaust valves in an internal combustion engine Mar 20, 2001 Issued
Array ( [id] => 6888220 [patent_doc_number] => 20010023675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-09-27 [patent_title] => 'Method and apparatus for two-step cam profile switching' [patent_app_type] => new [patent_app_number] => 09/813425 [patent_app_country] => US [patent_app_date] => 2001-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5897 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20010023675.pdf [firstpage_image] =>[orig_patent_app_number] => 09813425 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/813425
Method and apparatus for two-step cam profile switching Mar 20, 2001 Issued
Array ( [id] => 1540949 [patent_doc_number] => 06443112 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-03 [patent_title] => 'Valve timing adjusting apparatus of internal combustion engine' [patent_app_type] => B1 [patent_app_number] => 09/799804 [patent_app_country] => US [patent_app_date] => 2001-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11260 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/443/06443112.pdf [firstpage_image] =>[orig_patent_app_number] => 09799804 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/799804
Valve timing adjusting apparatus of internal combustion engine Mar 6, 2001 Issued
Array ( [id] => 7638173 [patent_doc_number] => 06378478 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-30 [patent_title] => 'Control device for camshaft systems' [patent_app_type] => B1 [patent_app_number] => 09/786562 [patent_app_country] => US [patent_app_date] => 2001-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2121 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/378/06378478.pdf [firstpage_image] =>[orig_patent_app_number] => 09786562 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/786562
Control device for camshaft systems Mar 4, 2001 Issued
Array ( [id] => 1443018 [patent_doc_number] => 06367437 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-04-09 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/796550 [patent_app_country] => US [patent_app_date] => 2001-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11751 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/367/06367437.pdf [firstpage_image] =>[orig_patent_app_number] => 09796550 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/796550
Valve timing control system for internal combustion engine Mar 1, 2001 Issued
Array ( [id] => 1567109 [patent_doc_number] => 06497206 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-24 [patent_title] => 'Engine with two cylinder banks each with a valve operating device enabling variation of valve timing and valve lift characteristic' [patent_app_type] => B2 [patent_app_number] => 09/796728 [patent_app_country] => US [patent_app_date] => 2001-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 12754 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/497/06497206.pdf [firstpage_image] =>[orig_patent_app_number] => 09796728 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/796728
Engine with two cylinder banks each with a valve operating device enabling variation of valve timing and valve lift characteristic Mar 1, 2001 Issued
Array ( [id] => 4285276 [patent_doc_number] => 06325033 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Covering structure for covering timing mechanism and timing mechanism chamber structure inside cover comprised in covering structure for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/791858 [patent_app_country] => US [patent_app_date] => 2001-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 24 [patent_no_of_words] => 11847 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/325/06325033.pdf [firstpage_image] =>[orig_patent_app_number] => 791858 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/791858
Covering structure for covering timing mechanism and timing mechanism chamber structure inside cover comprised in covering structure for internal combustion engine Feb 25, 2001 Issued
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