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] => 3701730 [patent_doc_number] => 05615646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-01 [patent_title] => 'Method and apparatus for holding a cylinder valve closed during combustion' [patent_app_type] => 1 [patent_app_number] => 8/635799 [patent_app_country] => US [patent_app_date] => 1996-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2447 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/615/05615646.pdf [firstpage_image] =>[orig_patent_app_number] => 635799 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/635799
Method and apparatus for holding a cylinder valve closed during combustion Apr 21, 1996 Issued
Array ( [id] => 3670792 [patent_doc_number] => 05662076 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-02 [patent_title] => 'Tappet in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/634729 [patent_app_country] => US [patent_app_date] => 1996-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1715 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/662/05662076.pdf [firstpage_image] =>[orig_patent_app_number] => 634729 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/634729
Tappet in an internal combustion engine Apr 18, 1996 Issued
Array ( [id] => 3646926 [patent_doc_number] => 05623896 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-29 [patent_title] => 'Valve timing control apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 8/630640 [patent_app_country] => US [patent_app_date] => 1996-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 13117 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 450 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/623/05623896.pdf [firstpage_image] =>[orig_patent_app_number] => 630640 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/630640
Valve timing control apparatus for engine Apr 10, 1996 Issued
Array ( [id] => 3847547 [patent_doc_number] => 05836274 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Multi valve engine with variable valve operation' [patent_app_type] => 1 [patent_app_number] => 8/630280 [patent_app_country] => US [patent_app_date] => 1996-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 9180 [patent_no_of_claims] => 14 [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/05/836/05836274.pdf [firstpage_image] =>[orig_patent_app_number] => 630280 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/630280
Multi valve engine with variable valve operation Apr 9, 1996 Issued
Array ( [id] => 3722588 [patent_doc_number] => 05785017 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Variable valve timing mechanism' [patent_app_type] => 1 [patent_app_number] => 8/630281 [patent_app_country] => US [patent_app_date] => 1996-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 9713 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/785/05785017.pdf [firstpage_image] =>[orig_patent_app_number] => 630281 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/630281
Variable valve timing mechanism Apr 9, 1996 Issued
Array ( [id] => 3685077 [patent_doc_number] => 05645023 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-08 [patent_title] => 'Valve train for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/629161 [patent_app_country] => US [patent_app_date] => 1996-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 6855 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/645/05645023.pdf [firstpage_image] =>[orig_patent_app_number] => 629161 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/629161
Valve train for an internal combustion engine Apr 7, 1996 Issued
Array ( [id] => 3677017 [patent_doc_number] => 05678514 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-21 [patent_title] => 'Valve lifter retainer for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/626561 [patent_app_country] => US [patent_app_date] => 1996-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1306 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/678/05678514.pdf [firstpage_image] =>[orig_patent_app_number] => 626561 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/626561
Valve lifter retainer for an internal combustion engine Apr 1, 1996 Issued
Array ( [id] => 3642782 [patent_doc_number] => 05626109 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-06 [patent_title] => 'Valve timing control apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 8/625267 [patent_app_country] => US [patent_app_date] => 1996-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 7932 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/626/05626109.pdf [firstpage_image] =>[orig_patent_app_number] => 625267 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/625267
Valve timing control apparatus for engine Mar 28, 1996 Issued
08/615288 RUSH ADJUSTER FOR INTERNAL COMBUSTION ENGINE Mar 26, 1996 Abandoned
Array ( [id] => 3685105 [patent_doc_number] => 05645025 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-08 [patent_title] => 'Internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/625393 [patent_app_country] => US [patent_app_date] => 1996-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3136 [patent_no_of_claims] => 17 [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/05/645/05645025.pdf [firstpage_image] =>[orig_patent_app_number] => 625393 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/625393
Internal combustion engine Mar 26, 1996 Issued
Array ( [id] => 3633016 [patent_doc_number] => 05628286 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-13 [patent_title] => 'Valve timing control apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 8/622715 [patent_app_country] => US [patent_app_date] => 1996-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7386 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/628/05628286.pdf [firstpage_image] =>[orig_patent_app_number] => 622715 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/622715
Valve timing control apparatus for engine Mar 25, 1996 Issued
Array ( [id] => 3632293 [patent_doc_number] => 05636603 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Apparatus for detecting valve lifting characteristic of cam shaft assembly for use in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/621918 [patent_app_country] => US [patent_app_date] => 1996-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4438 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/636/05636603.pdf [firstpage_image] =>[orig_patent_app_number] => 621918 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/621918
Apparatus for detecting valve lifting characteristic of cam shaft assembly for use in internal combustion engine Mar 25, 1996 Issued
Array ( [id] => 3669979 [patent_doc_number] => 05642693 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-01 [patent_title] => 'Rocker arm and method of manufacturing same' [patent_app_type] => 1 [patent_app_number] => 8/621706 [patent_app_country] => US [patent_app_date] => 1996-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 20 [patent_no_of_words] => 3483 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/642/05642693.pdf [firstpage_image] =>[orig_patent_app_number] => 621706 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/621706
Rocker arm and method of manufacturing same Mar 25, 1996 Issued
Array ( [id] => 3752693 [patent_doc_number] => 05806475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-15 [patent_title] => 'Low friction rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 8/611455 [patent_app_country] => US [patent_app_date] => 1996-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2664 [patent_no_of_claims] => 14 [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/05/806/05806475.pdf [firstpage_image] =>[orig_patent_app_number] => 611455 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/611455
Low friction rocker arm assembly Mar 21, 1996 Issued
Array ( [id] => 3646948 [patent_doc_number] => 05623897 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-29 [patent_title] => 'Engine valve control system using a latchable rocker arm activated by a solenoid mechanism' [patent_app_type] => 1 [patent_app_number] => 8/622239 [patent_app_country] => US [patent_app_date] => 1996-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 6783 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/623/05623897.pdf [firstpage_image] =>[orig_patent_app_number] => 622239 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/622239
Engine valve control system using a latchable rocker arm activated by a solenoid mechanism Mar 21, 1996 Issued
Array ( [id] => 3609168 [patent_doc_number] => 05606944 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-04 [patent_title] => 'Internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/618316 [patent_app_country] => US [patent_app_date] => 1996-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 6625 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/606/05606944.pdf [firstpage_image] =>[orig_patent_app_number] => 618316 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/618316
Internal combustion engine Mar 18, 1996 Issued
Array ( [id] => 3632305 [patent_doc_number] => 05636604 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Tappet for a valve drive of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/619578 [patent_app_country] => US [patent_app_date] => 1996-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1815 [patent_no_of_claims] => 17 [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/05/636/05636604.pdf [firstpage_image] =>[orig_patent_app_number] => 619578 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/619578
Tappet for a valve drive of an internal combustion engine Mar 18, 1996 Issued
Array ( [id] => 3714088 [patent_doc_number] => 05692464 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-02 [patent_title] => 'Diesel engine' [patent_app_type] => 1 [patent_app_number] => 8/612523 [patent_app_country] => US [patent_app_date] => 1996-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 25 [patent_no_of_words] => 5832 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/692/05692464.pdf [firstpage_image] =>[orig_patent_app_number] => 612523 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/612523
Diesel engine Mar 7, 1996 Issued
Array ( [id] => 3645056 [patent_doc_number] => 05622147 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-22 [patent_title] => 'Hydraulic lash adjuster' [patent_app_type] => 1 [patent_app_number] => 8/613273 [patent_app_country] => US [patent_app_date] => 1996-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3097 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/622/05622147.pdf [firstpage_image] =>[orig_patent_app_number] => 613273 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/613273
Hydraulic lash adjuster Mar 7, 1996 Issued
Array ( [id] => 3634401 [patent_doc_number] => 05638782 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-17 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 8/606486 [patent_app_country] => US [patent_app_date] => 1996-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 5379 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/638/05638782.pdf [firstpage_image] =>[orig_patent_app_number] => 606486 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/606486
Valve timing control device Mar 3, 1996 Issued
Menu