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] => 3720632 [patent_doc_number] => 05784887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Targeted fluid delivery system' [patent_app_type] => 1 [patent_app_number] => 8/478514 [patent_app_country] => US [patent_app_date] => 1995-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 6838 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/784/05784887.pdf [firstpage_image] =>[orig_patent_app_number] => 478514 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/478514
Targeted fluid delivery system Jul 6, 1995 Issued
Array ( [id] => 3494238 [patent_doc_number] => 05562070 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Electrohydraulic camless valvetrain with rotary hydraulic actuator' [patent_app_type] => 1 [patent_app_number] => 8/498771 [patent_app_country] => US [patent_app_date] => 1995-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 3884 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/562/05562070.pdf [firstpage_image] =>[orig_patent_app_number] => 498771 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/498771
Electrohydraulic camless valvetrain with rotary hydraulic actuator Jul 4, 1995 Issued
Array ( [id] => 3535074 [patent_doc_number] => 05546898 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-20 [patent_title] => 'Device for controlling the flow of intake and exhaust gases in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/497600 [patent_app_country] => US [patent_app_date] => 1995-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 2339 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/546/05546898.pdf [firstpage_image] =>[orig_patent_app_number] => 497600 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/497600
Device for controlling the flow of intake and exhaust gases in an internal combustion engine Jun 29, 1995 Issued
Array ( [id] => 3714538 [patent_doc_number] => 05664527 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-09 [patent_title] => 'Pneumatic valve recoil system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/496180 [patent_app_country] => US [patent_app_date] => 1995-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 3863 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/664/05664527.pdf [firstpage_image] =>[orig_patent_app_number] => 496180 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/496180
Pneumatic valve recoil system for internal combustion engines Jun 27, 1995 Issued
08/493605 ANGULAR PHASE CONTROLLING SYSTEM FOR CONTROLLING THE TIMING OF ROTATABLE SHAFTS Jun 21, 1995 Abandoned
Array ( [id] => 3600015 [patent_doc_number] => 05509385 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-23 [patent_title] => 'Hydraulic lash adjuster metering valve' [patent_app_type] => 1 [patent_app_number] => 8/490624 [patent_app_country] => US [patent_app_date] => 1995-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 14 [patent_no_of_words] => 2220 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/509/05509385.pdf [firstpage_image] =>[orig_patent_app_number] => 490624 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/490624
Hydraulic lash adjuster metering valve Jun 14, 1995 Issued
Array ( [id] => 3497631 [patent_doc_number] => 05586527 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-24 [patent_title] => 'Device for the variable control of the valves of internal combustion engines, more particularly for the throttle-free load control of 4-stroke engines' [patent_app_type] => 1 [patent_app_number] => 8/481245 [patent_app_country] => US [patent_app_date] => 1995-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 5658 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/586/05586527.pdf [firstpage_image] =>[orig_patent_app_number] => 481245 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/481245
Device for the variable control of the valves of internal combustion engines, more particularly for the throttle-free load control of 4-stroke engines Jun 8, 1995 Issued
Array ( [id] => 3637792 [patent_doc_number] => 05636982 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Method and apparatus for acoustically enhancing cooling of clinker' [patent_app_type] => 1 [patent_app_number] => 8/475769 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2961 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/636/05636982.pdf [firstpage_image] =>[orig_patent_app_number] => 475769 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/475769
Method and apparatus for acoustically enhancing cooling of clinker Jun 6, 1995 Issued
Array ( [id] => 3609144 [patent_doc_number] => 05606942 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-04 [patent_title] => 'Valve operating system for multi-valve engine' [patent_app_type] => 1 [patent_app_number] => 8/474260 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 22 [patent_no_of_words] => 8860 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/606/05606942.pdf [firstpage_image] =>[orig_patent_app_number] => 474260 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/474260
Valve operating system for multi-valve engine Jun 6, 1995 Issued
Array ( [id] => 3592840 [patent_doc_number] => 05588405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-31 [patent_title] => 'Arrangement of oil passage to valve system' [patent_app_type] => 1 [patent_app_number] => 8/476571 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2674 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/588/05588405.pdf [firstpage_image] =>[orig_patent_app_number] => 476571 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/476571
Arrangement of oil passage to valve system Jun 6, 1995 Issued
Array ( [id] => 3632262 [patent_doc_number] => 05636601 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Energization control method, and electromagnetic control system in electromagnetic driving device' [patent_app_type] => 1 [patent_app_number] => 8/485705 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 9611 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/636/05636601.pdf [firstpage_image] =>[orig_patent_app_number] => 485705 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/485705
Energization control method, and electromagnetic control system in electromagnetic driving device Jun 6, 1995 Issued
Array ( [id] => 3556607 [patent_doc_number] => 05537963 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-23 [patent_title] => 'Valve operating system for multi-cylinder internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/483479 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11010 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/537/05537963.pdf [firstpage_image] =>[orig_patent_app_number] => 483479 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/483479
Valve operating system for multi-cylinder internal combustion engine Jun 6, 1995 Issued
Array ( [id] => 3583117 [patent_doc_number] => 05558054 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Variable preload system for valve springs' [patent_app_type] => 1 [patent_app_number] => 8/487036 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2955 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/558/05558054.pdf [firstpage_image] =>[orig_patent_app_number] => 487036 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/487036
Variable preload system for valve springs Jun 6, 1995 Issued
Array ( [id] => 3583070 [patent_doc_number] => 05558051 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Valve timing control device for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/477250 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 5436 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/558/05558051.pdf [firstpage_image] =>[orig_patent_app_number] => 477250 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/477250
Valve timing control device for an internal combustion engine Jun 6, 1995 Issued
Array ( [id] => 3606195 [patent_doc_number] => 05592907 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-14 [patent_title] => 'Valve operating system for multi-cylinder internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/475790 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9456 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/592/05592907.pdf [firstpage_image] =>[orig_patent_app_number] => 475790 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/475790
Valve operating system for multi-cylinder internal combustion engine Jun 6, 1995 Issued
08/467832 ENGINE VALVE DRIVE CONTROL DEVICE Jun 5, 1995 Abandoned
Array ( [id] => 3618550 [patent_doc_number] => 05609127 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-11 [patent_title] => 'Centrifugal control assembly for camshaft advance and retardation and suppression of cyclical vibration' [patent_app_type] => 1 [patent_app_number] => 8/471658 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4280 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/609/05609127.pdf [firstpage_image] =>[orig_patent_app_number] => 471658 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/471658
Centrifugal control assembly for camshaft advance and retardation and suppression of cyclical vibration Jun 5, 1995 Issued
Array ( [id] => 3532380 [patent_doc_number] => 05544628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-13 [patent_title] => 'Valve control arrangement for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/461719 [patent_app_country] => US [patent_app_date] => 1995-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 14 [patent_no_of_words] => 2027 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/544/05544628.pdf [firstpage_image] =>[orig_patent_app_number] => 461719 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/461719
Valve control arrangement for an internal combustion engine Jun 4, 1995 Issued
08/457100 VALVE OPERATING MECHANISM FOR 4-CYCLE ENGINE May 31, 1995 Abandoned
Array ( [id] => 3538228 [patent_doc_number] => 05517955 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-21 [patent_title] => 'Valve timing control device for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/457421 [patent_app_country] => US [patent_app_date] => 1995-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3364 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/517/05517955.pdf [firstpage_image] =>[orig_patent_app_number] => 457421 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/457421
Valve timing control device for an internal combustion engine May 31, 1995 Issued
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