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] => 3512072 [patent_doc_number] => 05540197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-30 [patent_title] => 'Device for adjusting valve timing in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/521605 [patent_app_country] => US [patent_app_date] => 1995-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2546 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/540/05540197.pdf [firstpage_image] =>[orig_patent_app_number] => 521605 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/521605
Device for adjusting valve timing in an internal combustion engine Aug 29, 1995 Issued
Array ( [id] => 3714597 [patent_doc_number] => 05664531 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-09 [patent_title] => 'Device for adjusting valve duration using external air supply' [patent_app_type] => 1 [patent_app_number] => 8/520672 [patent_app_country] => US [patent_app_date] => 1995-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2347 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/664/05664531.pdf [firstpage_image] =>[orig_patent_app_number] => 520672 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/520672
Device for adjusting valve duration using external air supply Aug 28, 1995 Issued
08/521055 VALVE ACTUATING STRUCTURE FOR MULTI-VALVE ENGINE Aug 28, 1995 Abandoned
Array ( [id] => 3606241 [patent_doc_number] => 05592910 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-14 [patent_title] => 'Camshaft phase changing device' [patent_app_type] => 1 [patent_app_number] => 8/519517 [patent_app_country] => US [patent_app_date] => 1995-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6366 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/592/05592910.pdf [firstpage_image] =>[orig_patent_app_number] => 519517 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/519517
Camshaft phase changing device Aug 24, 1995 Issued
Array ( [id] => 3577108 [patent_doc_number] => 05520144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-28 [patent_title] => 'Valve actuation assembly' [patent_app_type] => 1 [patent_app_number] => 8/517484 [patent_app_country] => US [patent_app_date] => 1995-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1275 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/520/05520144.pdf [firstpage_image] =>[orig_patent_app_number] => 517484 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/517484
Valve actuation assembly Aug 20, 1995 Issued
08/517483 VALVE LIFTER Aug 20, 1995 Abandoned
Array ( [id] => 3609130 [patent_doc_number] => 05606941 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-04 [patent_title] => 'Variable timing camshaft drive system' [patent_app_type] => 1 [patent_app_number] => 8/516457 [patent_app_country] => US [patent_app_date] => 1995-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2949 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/606/05606941.pdf [firstpage_image] =>[orig_patent_app_number] => 516457 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/516457
Variable timing camshaft drive system Aug 16, 1995 Issued
Array ( [id] => 3857270 [patent_doc_number] => 05746166 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-05 [patent_title] => 'CAM lobe with offset angular movement' [patent_app_type] => 1 [patent_app_number] => 8/507361 [patent_app_country] => US [patent_app_date] => 1995-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 42 [patent_no_of_words] => 4388 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/746/05746166.pdf [firstpage_image] =>[orig_patent_app_number] => 507361 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/507361
CAM lobe with offset angular movement Aug 15, 1995 Issued
08/495540 VALVE CONTROL MEANS Aug 14, 1995 Abandoned
Array ( [id] => 3489979 [patent_doc_number] => 05513603 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-07 [patent_title] => 'Seal and fastener isolator system for a valve cover' [patent_app_type] => 1 [patent_app_number] => 8/514286 [patent_app_country] => US [patent_app_date] => 1995-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3324 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/513/05513603.pdf [firstpage_image] =>[orig_patent_app_number] => 514286 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/514286
Seal and fastener isolator system for a valve cover Aug 10, 1995 Issued
Array ( [id] => 3653022 [patent_doc_number] => 05596958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Rocker arm bridge for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/514070 [patent_app_country] => US [patent_app_date] => 1995-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4684 [patent_no_of_claims] => 13 [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/05/596/05596958.pdf [firstpage_image] =>[orig_patent_app_number] => 514070 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/514070
Rocker arm bridge for internal combustion engines Aug 10, 1995 Issued
08/512528 INTERNAL COMBUSTION ENGINES WITH COMBINED CAM AND ELECTRO-HYDRAULIC ENGINE VALVE CONTROL Aug 7, 1995 Abandoned
Array ( [id] => 3494252 [patent_doc_number] => 05562071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Engine valve operation timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 8/512397 [patent_app_country] => US [patent_app_date] => 1995-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 36 [patent_no_of_words] => 11839 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/562/05562071.pdf [firstpage_image] =>[orig_patent_app_number] => 512397 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/512397
Engine valve operation timing control apparatus Aug 7, 1995 Issued
Array ( [id] => 3667198 [patent_doc_number] => 05632237 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-27 [patent_title] => 'Hydraulic lash compensating element assembly' [patent_app_type] => 1 [patent_app_number] => 8/511953 [patent_app_country] => US [patent_app_date] => 1995-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 1539 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/632/05632237.pdf [firstpage_image] =>[orig_patent_app_number] => 511953 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/511953
Hydraulic lash compensating element assembly Aug 6, 1995 Issued
Array ( [id] => 3528805 [patent_doc_number] => 05553573 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-10 [patent_title] => 'Valve duration control system for four-cycle engine' [patent_app_type] => 1 [patent_app_number] => 8/510561 [patent_app_country] => US [patent_app_date] => 1995-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 5245 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/553/05553573.pdf [firstpage_image] =>[orig_patent_app_number] => 510561 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/510561
Valve duration control system for four-cycle engine Aug 1, 1995 Issued
Array ( [id] => 3710850 [patent_doc_number] => 05669341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-23 [patent_title] => 'Valve operating system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/509950 [patent_app_country] => US [patent_app_date] => 1995-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5206 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/669/05669341.pdf [firstpage_image] =>[orig_patent_app_number] => 509950 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/509950
Valve operating system for internal combustion engine Jul 31, 1995 Issued
Array ( [id] => 3506222 [patent_doc_number] => 05575641 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-19 [patent_title] => 'Semiconductor processor opening and closure construction' [patent_app_type] => 1 [patent_app_number] => 8/509704 [patent_app_country] => US [patent_app_date] => 1995-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4778 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/575/05575641.pdf [firstpage_image] =>[orig_patent_app_number] => 509704 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/509704
Semiconductor processor opening and closure construction Jul 30, 1995 Issued
Array ( [id] => 3613047 [patent_doc_number] => 05601427 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-11 [patent_title] => 'Waste melting furnace and a method of melting wastes' [patent_app_type] => 1 [patent_app_number] => 8/506051 [patent_app_country] => US [patent_app_date] => 1995-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 12114 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/601/05601427.pdf [firstpage_image] =>[orig_patent_app_number] => 506051 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/506051
Waste melting furnace and a method of melting wastes Jul 23, 1995 Issued
Array ( [id] => 3592852 [patent_doc_number] => 05588406 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-31 [patent_title] => 'Structure for lubricating cam sliding surface in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/501863 [patent_app_country] => US [patent_app_date] => 1995-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 23 [patent_no_of_words] => 4752 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/588/05588406.pdf [firstpage_image] =>[orig_patent_app_number] => 501863 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/501863
Structure for lubricating cam sliding surface in an internal combustion engine Jul 12, 1995 Issued
Array ( [id] => 3582728 [patent_doc_number] => 05558028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Incinerator frame' [patent_app_type] => 1 [patent_app_number] => 8/500772 [patent_app_country] => US [patent_app_date] => 1995-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2454 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 480 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/558/05558028.pdf [firstpage_image] =>[orig_patent_app_number] => 500772 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/500772
Incinerator frame Jul 10, 1995 Issued
Menu