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] => 3908313 [patent_doc_number] => 05979384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Valve device for engine' [patent_app_type] => 1 [patent_app_number] => 8/973703 [patent_app_country] => US [patent_app_date] => 1997-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2786 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/979/05979384.pdf [firstpage_image] =>[orig_patent_app_number] => 973703 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973703
Valve device for engine Dec 7, 1997 Issued
Array ( [id] => 3792446 [patent_doc_number] => 05787848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-04 [patent_title] => 'Method of system for operating an internal combustion engine having variable valve timing' [patent_app_type] => 1 [patent_app_number] => 8/985646 [patent_app_country] => US [patent_app_date] => 1997-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2557 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/787/05787848.pdf [firstpage_image] =>[orig_patent_app_number] => 985646 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/985646
Method of system for operating an internal combustion engine having variable valve timing Dec 4, 1997 Issued
Array ( [id] => 3907334 [patent_doc_number] => 05970932 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 8/982610 [patent_app_country] => US [patent_app_date] => 1997-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1582 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/970/05970932.pdf [firstpage_image] =>[orig_patent_app_number] => 982610 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/982610
Rocker arm assembly Dec 1, 1997 Issued
Array ( [id] => 3946081 [patent_doc_number] => 05884594 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Valve cover system for motors' [patent_app_type] => 1 [patent_app_number] => 8/980506 [patent_app_country] => US [patent_app_date] => 1997-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2040 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/884/05884594.pdf [firstpage_image] =>[orig_patent_app_number] => 980506 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/980506
Valve cover system for motors Nov 30, 1997 Issued
Array ( [id] => 3754381 [patent_doc_number] => 05816204 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Variable valve timing mechanism for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/980353 [patent_app_country] => US [patent_app_date] => 1997-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 9024 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 403 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/816/05816204.pdf [firstpage_image] =>[orig_patent_app_number] => 980353 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/980353
Variable valve timing mechanism for internal combustion engine Nov 27, 1997 Issued
Array ( [id] => 3910009 [patent_doc_number] => 05937811 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Variable valve system' [patent_app_type] => 1 [patent_app_number] => 8/978578 [patent_app_country] => US [patent_app_date] => 1997-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 4754 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937811.pdf [firstpage_image] =>[orig_patent_app_number] => 978578 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/978578
Variable valve system Nov 25, 1997 Issued
Array ( [id] => 3784361 [patent_doc_number] => 05829400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Valve gear for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/952828 [patent_app_country] => US [patent_app_date] => 1997-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1502 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/829/05829400.pdf [firstpage_image] =>[orig_patent_app_number] => 952828 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/952828
Valve gear for an internal combustion engine Nov 24, 1997 Issued
Array ( [id] => 3971385 [patent_doc_number] => 05890469 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Exhaust valve mechanism in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/913721 [patent_app_country] => US [patent_app_date] => 1997-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2443 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/890/05890469.pdf [firstpage_image] =>[orig_patent_app_number] => 913721 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/913721
Exhaust valve mechanism in an internal combustion engine Nov 17, 1997 Issued
Array ( [id] => 4004318 [patent_doc_number] => 05924397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Variable valve performance apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 8/972572 [patent_app_country] => US [patent_app_date] => 1997-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 8587 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/924/05924397.pdf [firstpage_image] =>[orig_patent_app_number] => 972572 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/972572
Variable valve performance apparatus for engine Nov 17, 1997 Issued
Array ( [id] => 3818155 [patent_doc_number] => 05845614 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-08 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/972241 [patent_app_country] => US [patent_app_date] => 1997-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 8568 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/845/05845614.pdf [firstpage_image] =>[orig_patent_app_number] => 972241 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/972241
Valve operating system in internal combustion engine Nov 17, 1997 Issued
Array ( [id] => 4050976 [patent_doc_number] => 05894822 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Support element for a finger lever of a valve drive of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/952423 [patent_app_country] => US [patent_app_date] => 1997-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1770 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/894/05894822.pdf [firstpage_image] =>[orig_patent_app_number] => 952423 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/952423
Support element for a finger lever of a valve drive of an internal combustion engine Nov 17, 1997 Issued
Array ( [id] => 4132671 [patent_doc_number] => 06112711 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-05 [patent_title] => 'Valve performance control apparatus for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/971577 [patent_app_country] => US [patent_app_date] => 1997-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 6934 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/112/06112711.pdf [firstpage_image] =>[orig_patent_app_number] => 971577 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/971577
Valve performance control apparatus for internal combustion engines Nov 16, 1997 Issued
Array ( [id] => 3987493 [patent_doc_number] => 05887553 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Device for electromagnetic actuation of a gas exchange valve' [patent_app_type] => 1 [patent_app_number] => 8/971364 [patent_app_country] => US [patent_app_date] => 1997-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2120 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/887/05887553.pdf [firstpage_image] =>[orig_patent_app_number] => 971364 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/971364
Device for electromagnetic actuation of a gas exchange valve Nov 16, 1997 Issued
Array ( [id] => 3739156 [patent_doc_number] => 05842451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-01 [patent_title] => 'Camshaft drive housing for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/969498 [patent_app_country] => US [patent_app_date] => 1997-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 792 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/842/05842451.pdf [firstpage_image] =>[orig_patent_app_number] => 969498 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/969498
Camshaft drive housing for an internal combustion engine Nov 12, 1997 Issued
Array ( [id] => 4117333 [patent_doc_number] => 06058895 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-09 [patent_title] => 'Means for the actuation of valves on a reciprocating engine with a variable valve lift, in particular a reciprocating internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/894028 [patent_app_country] => US [patent_app_date] => 1997-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3578 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/058/06058895.pdf [firstpage_image] =>[orig_patent_app_number] => 894028 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/894028
Means for the actuation of valves on a reciprocating engine with a variable valve lift, in particular a reciprocating internal combustion engine Nov 11, 1997 Issued
Array ( [id] => 3903206 [patent_doc_number] => 05943990 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Tappet in an internal combustion engine and a method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/965725 [patent_app_country] => US [patent_app_date] => 1997-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1915 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/943/05943990.pdf [firstpage_image] =>[orig_patent_app_number] => 965725 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/965725
Tappet in an internal combustion engine and a method of manufacturing the same Nov 6, 1997 Issued
Array ( [id] => 3842639 [patent_doc_number] => 05794579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-18 [patent_title] => 'Variable valve timing mechanism of engine' [patent_app_type] => 1 [patent_app_number] => 8/961220 [patent_app_country] => US [patent_app_date] => 1997-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5000 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/794/05794579.pdf [firstpage_image] =>[orig_patent_app_number] => 961220 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/961220
Variable valve timing mechanism of engine Oct 29, 1997 Issued
Array ( [id] => 3842622 [patent_doc_number] => 05794578 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-18 [patent_title] => 'Valve timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 8/960246 [patent_app_country] => US [patent_app_date] => 1997-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2963 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/794/05794578.pdf [firstpage_image] =>[orig_patent_app_number] => 960246 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/960246
Valve timing control apparatus Oct 28, 1997 Issued
Array ( [id] => 4014552 [patent_doc_number] => 05941202 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Device for varying valve timing' [patent_app_type] => 1 [patent_app_number] => 8/960223 [patent_app_country] => US [patent_app_date] => 1997-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2458 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/941/05941202.pdf [firstpage_image] =>[orig_patent_app_number] => 960223 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/960223
Device for varying valve timing Oct 28, 1997 Issued
Array ( [id] => 3968793 [patent_doc_number] => 05860398 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-19 [patent_title] => 'Engine tappet' [patent_app_type] => 1 [patent_app_number] => 8/959573 [patent_app_country] => US [patent_app_date] => 1997-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6046 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/860/05860398.pdf [firstpage_image] =>[orig_patent_app_number] => 959573 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/959573
Engine tappet Oct 27, 1997 Issued
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