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] => 3634417 [patent_doc_number] => 05638783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-17 [patent_title] => 'Valve train for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/578369 [patent_app_country] => US [patent_app_date] => 1995-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 18 [patent_no_of_words] => 5347 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/638/05638783.pdf [firstpage_image] =>[orig_patent_app_number] => 578369 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/578369
Valve train for an internal combustion engine Dec 25, 1995 Issued
Array ( [id] => 3605565 [patent_doc_number] => 05613469 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-25 [patent_title] => 'Controls apparatus for engine variable valve system' [patent_app_type] => 1 [patent_app_number] => 8/578130 [patent_app_country] => US [patent_app_date] => 1995-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3702 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/613/05613469.pdf [firstpage_image] =>[orig_patent_app_number] => 578130 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/578130
Controls apparatus for engine variable valve system Dec 25, 1995 Issued
Array ( [id] => 3678267 [patent_doc_number] => 05603292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-18 [patent_title] => 'Valve mechanism for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/569157 [patent_app_country] => US [patent_app_date] => 1995-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2151 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/603/05603292.pdf [firstpage_image] =>[orig_patent_app_number] => 569157 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/569157
Valve mechanism for an internal combustion engine Dec 21, 1995 Issued
Array ( [id] => 3645211 [patent_doc_number] => 05655490 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-12 [patent_title] => 'Rocker arm with roller and a method for manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/576753 [patent_app_country] => US [patent_app_date] => 1995-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 65 [patent_no_of_words] => 6836 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/655/05655490.pdf [firstpage_image] =>[orig_patent_app_number] => 576753 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/576753
Rocker arm with roller and a method for manufacturing the same Dec 20, 1995 Issued
Array ( [id] => 3678291 [patent_doc_number] => 05603294 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-18 [patent_title] => 'Variable valve lift device' [patent_app_type] => 1 [patent_app_number] => 8/576037 [patent_app_country] => US [patent_app_date] => 1995-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5460 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/603/05603294.pdf [firstpage_image] =>[orig_patent_app_number] => 576037 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/576037
Variable valve lift device Dec 20, 1995 Issued
Array ( [id] => 3609117 [patent_doc_number] => 05606940 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-04 [patent_title] => 'Engine valve seating velocity hydraulic snubber' [patent_app_type] => 1 [patent_app_number] => 8/576277 [patent_app_country] => US [patent_app_date] => 1995-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2252 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/606/05606940.pdf [firstpage_image] =>[orig_patent_app_number] => 576277 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/576277
Engine valve seating velocity hydraulic snubber Dec 20, 1995 Issued
Array ( [id] => 3573215 [patent_doc_number] => 05584267 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-17 [patent_title] => 'Latchable rocker arm mounting' [patent_app_type] => 1 [patent_app_number] => 8/575651 [patent_app_country] => US [patent_app_date] => 1995-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2418 [patent_no_of_claims] => 7 [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/05/584/05584267.pdf [firstpage_image] =>[orig_patent_app_number] => 575651 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/575651
Latchable rocker arm mounting Dec 19, 1995 Issued
Array ( [id] => 3645026 [patent_doc_number] => 05622145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-22 [patent_title] => 'Cylinder valve operating apparatus' [patent_app_type] => 1 [patent_app_number] => 8/574696 [patent_app_country] => US [patent_app_date] => 1995-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 4840 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/622/05622145.pdf [firstpage_image] =>[orig_patent_app_number] => 574696 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/574696
Cylinder valve operating apparatus Dec 18, 1995 Issued
Array ( [id] => 3711129 [patent_doc_number] => 05699762 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-23 [patent_title] => 'Valve operating system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/574024 [patent_app_country] => US [patent_app_date] => 1995-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1928 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/699/05699762.pdf [firstpage_image] =>[orig_patent_app_number] => 574024 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/574024
Valve operating system for internal combustion engine Dec 17, 1995 Issued
Array ( [id] => 3652990 [patent_doc_number] => 05596956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Electromagnetically driven valve control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/573439 [patent_app_country] => US [patent_app_date] => 1995-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5423 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/596/05596956.pdf [firstpage_image] =>[orig_patent_app_number] => 573439 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/573439
Electromagnetically driven valve control system for internal combustion engines Dec 14, 1995 Issued
Array ( [id] => 3638460 [patent_doc_number] => 05605121 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-25 [patent_title] => 'Device for adjusting valve timing in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/570132 [patent_app_country] => US [patent_app_date] => 1995-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2593 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/605/05605121.pdf [firstpage_image] =>[orig_patent_app_number] => 570132 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/570132
Device for adjusting valve timing in an internal combustion engine Dec 10, 1995 Issued
Array ( [id] => 3678282 [patent_doc_number] => 05603293 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-18 [patent_title] => 'Tappet for a switchable valve of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/568291 [patent_app_country] => US [patent_app_date] => 1995-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3376 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/603/05603293.pdf [firstpage_image] =>[orig_patent_app_number] => 568291 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/568291
Tappet for a switchable valve of an internal combustion engine Dec 5, 1995 Issued
Array ( [id] => 3645040 [patent_doc_number] => 05622146 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-22 [patent_title] => 'Finger lever for actuating gas exchange valves' [patent_app_type] => 1 [patent_app_number] => 8/564084 [patent_app_country] => US [patent_app_date] => 1995-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1867 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/622/05622146.pdf [firstpage_image] =>[orig_patent_app_number] => 564084 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/564084
Finger lever for actuating gas exchange valves Nov 29, 1995 Issued
Array ( [id] => 3701799 [patent_doc_number] => 05615651 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-01 [patent_title] => 'Valve gear device for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/565106 [patent_app_country] => US [patent_app_date] => 1995-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5806 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/615/05615651.pdf [firstpage_image] =>[orig_patent_app_number] => 565106 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/565106
Valve gear device for internal combustion engines Nov 29, 1995 Issued
Array ( [id] => 3685032 [patent_doc_number] => 05673661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-07 [patent_title] => 'Valve lifter' [patent_app_type] => 1 [patent_app_number] => 8/563099 [patent_app_country] => US [patent_app_date] => 1995-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 4709 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/673/05673661.pdf [firstpage_image] =>[orig_patent_app_number] => 563099 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/563099
Valve lifter Nov 26, 1995 Issued
Array ( [id] => 3572284 [patent_doc_number] => 05549081 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-27 [patent_title] => 'Arrangement for operating valves of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/561112 [patent_app_country] => US [patent_app_date] => 1995-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3832 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/549/05549081.pdf [firstpage_image] =>[orig_patent_app_number] => 561112 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/561112
Arrangement for operating valves of an internal combustion engine Nov 19, 1995 Issued
Array ( [id] => 3743920 [patent_doc_number] => 05720245 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-24 [patent_title] => 'Finger follower arm' [patent_app_type] => 1 [patent_app_number] => 8/555949 [patent_app_country] => US [patent_app_date] => 1995-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1873 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/720/05720245.pdf [firstpage_image] =>[orig_patent_app_number] => 555949 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/555949
Finger follower arm Nov 12, 1995 Issued
Array ( [id] => 3586014 [patent_doc_number] => 05577470 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-26 [patent_title] => 'Valve system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/554019 [patent_app_country] => US [patent_app_date] => 1995-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1825 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/577/05577470.pdf [firstpage_image] =>[orig_patent_app_number] => 554019 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/554019
Valve system for internal combustion engine Nov 5, 1995 Issued
Array ( [id] => 3556579 [patent_doc_number] => 05537961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-23 [patent_title] => 'Valve timing control apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 8/552817 [patent_app_country] => US [patent_app_date] => 1995-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7801 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/537/05537961.pdf [firstpage_image] =>[orig_patent_app_number] => 552817 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/552817
Valve timing control apparatus for engine Nov 2, 1995 Issued
08/550943 DEVICE FOR VARYING VALVE TIMING Oct 30, 1995 Abandoned
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