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] => 2783908 [patent_doc_number] => 05113812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-19 [patent_title] => 'Valve control apparatus with magnet valve for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/663928 [patent_app_country] => US [patent_app_date] => 1991-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2819 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/113/05113812.pdf [firstpage_image] =>[orig_patent_app_number] => 663928 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/663928
Valve control apparatus with magnet valve for internal combustion engines Mar 25, 1991 Issued
07/674107 VARIABLE INTAKE VALVE Mar 24, 1991 Abandoned
Array ( [id] => 2797357 [patent_doc_number] => 05080052 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Variable valve timing system in an engine having a rotating cam-shaft' [patent_app_type] => 1 [patent_app_number] => 7/674154 [patent_app_country] => US [patent_app_date] => 1991-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2459 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080052.pdf [firstpage_image] =>[orig_patent_app_number] => 674154 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/674154
Variable valve timing system in an engine having a rotating cam-shaft Mar 24, 1991 Issued
Array ( [id] => 2853406 [patent_doc_number] => 05090365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Variable valve timing system in an engine having a rotating cam-shaft' [patent_app_type] => 1 [patent_app_number] => 7/669938 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2552 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090365.pdf [firstpage_image] =>[orig_patent_app_number] => 669938 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/669938
Variable valve timing system in an engine having a rotating cam-shaft Mar 14, 1991 Issued
Array ( [id] => 2715231 [patent_doc_number] => 05076222 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Valve control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/668335 [patent_app_country] => US [patent_app_date] => 1991-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2388 [patent_no_of_claims] => 2 [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/05/076/05076222.pdf [firstpage_image] =>[orig_patent_app_number] => 668335 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/668335
Valve control system for internal combustion engine Mar 13, 1991 Issued
Array ( [id] => 2834537 [patent_doc_number] => 05111782 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Reciprocating engine with a gear drive' [patent_app_type] => 1 [patent_app_number] => 7/669011 [patent_app_country] => US [patent_app_date] => 1991-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1244 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/111/05111782.pdf [firstpage_image] =>[orig_patent_app_number] => 669011 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/669011
Reciprocating engine with a gear drive Mar 12, 1991 Issued
Array ( [id] => 2834514 [patent_doc_number] => 05111781 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Valve actuating mechanism in four-stroke cycle engine' [patent_app_type] => 1 [patent_app_number] => 7/667981 [patent_app_country] => US [patent_app_date] => 1991-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6648 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/111/05111781.pdf [firstpage_image] =>[orig_patent_app_number] => 667981 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/667981
Valve actuating mechanism in four-stroke cycle engine Mar 11, 1991 Issued
Array ( [id] => 2859780 [patent_doc_number] => 05117786 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Chain tensioner for an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/666674 [patent_app_country] => US [patent_app_date] => 1991-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1076 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117786.pdf [firstpage_image] =>[orig_patent_app_number] => 666674 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/666674
Chain tensioner for an internal-combustion engine Mar 3, 1991 Issued
Array ( [id] => 2827849 [patent_doc_number] => 05109813 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-05 [patent_title] => 'Chain drive tensioning and adjusting arrangement' [patent_app_type] => 1 [patent_app_number] => 7/663603 [patent_app_country] => US [patent_app_date] => 1991-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 2054 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/109/05109813.pdf [firstpage_image] =>[orig_patent_app_number] => 663603 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/663603
Chain drive tensioning and adjusting arrangement Mar 3, 1991 Issued
Array ( [id] => 2840622 [patent_doc_number] => 05148783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Valve actuating mechanism in four-stroke cycle engine' [patent_app_type] => 1 [patent_app_number] => 7/664273 [patent_app_country] => US [patent_app_date] => 1991-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 10493 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/148/05148783.pdf [firstpage_image] =>[orig_patent_app_number] => 664273 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/664273
Valve actuating mechanism in four-stroke cycle engine Mar 3, 1991 Issued
Array ( [id] => 2808217 [patent_doc_number] => 05094197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Timing system, particularly for an internal combustion engine with a number of valves per cyclinder' [patent_app_type] => 1 [patent_app_number] => 7/663015 [patent_app_country] => US [patent_app_date] => 1991-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1731 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/094/05094197.pdf [firstpage_image] =>[orig_patent_app_number] => 663015 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/663015
Timing system, particularly for an internal combustion engine with a number of valves per cyclinder Feb 28, 1991 Issued
Array ( [id] => 2797392 [patent_doc_number] => 05080054 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Rocker arm arrangement for variable timing valve train' [patent_app_type] => 1 [patent_app_number] => 7/662135 [patent_app_country] => US [patent_app_date] => 1991-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4197 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080054.pdf [firstpage_image] =>[orig_patent_app_number] => 662135 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/662135
Rocker arm arrangement for variable timing valve train Feb 27, 1991 Issued
Array ( [id] => 2898086 [patent_doc_number] => 05178106 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Valve timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 7/661695 [patent_app_country] => US [patent_app_date] => 1991-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4368 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178106.pdf [firstpage_image] =>[orig_patent_app_number] => 661695 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/661695
Valve timing control apparatus Feb 26, 1991 Issued
Array ( [id] => 2847774 [patent_doc_number] => 05095867 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Positioning device for a gasket' [patent_app_type] => 1 [patent_app_number] => 7/658029 [patent_app_country] => US [patent_app_date] => 1991-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 2136 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095867.pdf [firstpage_image] =>[orig_patent_app_number] => 658029 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/658029
Positioning device for a gasket Feb 19, 1991 Issued
Array ( [id] => 2783927 [patent_doc_number] => 05113813 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-19 [patent_title] => 'Variable timing system, particularly for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/655503 [patent_app_country] => US [patent_app_date] => 1991-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2340 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/113/05113813.pdf [firstpage_image] =>[orig_patent_app_number] => 655503 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/655503
Variable timing system, particularly for an internal combustion engine Feb 14, 1991 Issued
Array ( [id] => 2860462 [patent_doc_number] => 05107803 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-28 [patent_title] => 'Split-action rocker arm' [patent_app_type] => 1 [patent_app_number] => 7/656422 [patent_app_country] => US [patent_app_date] => 1991-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2747 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/107/05107803.pdf [firstpage_image] =>[orig_patent_app_number] => 656422 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/656422
Split-action rocker arm Feb 14, 1991 Issued
Array ( [id] => 2847661 [patent_doc_number] => 05095861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Rocker arm bridge assembly utilizing shaft mount' [patent_app_type] => 1 [patent_app_number] => 7/654200 [patent_app_country] => US [patent_app_date] => 1991-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2559 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095861.pdf [firstpage_image] =>[orig_patent_app_number] => 654200 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/654200
Rocker arm bridge assembly utilizing shaft mount Feb 11, 1991 Issued
07/649969 ROLLER TAPPET Feb 3, 1991 Abandoned
Array ( [id] => 2832722 [patent_doc_number] => 05088458 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-18 [patent_title] => 'Lash adjusted for engine valve actuator assembly' [patent_app_type] => 1 [patent_app_number] => 7/649643 [patent_app_country] => US [patent_app_date] => 1991-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1348 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/088/05088458.pdf [firstpage_image] =>[orig_patent_app_number] => 649643 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/649643
Lash adjusted for engine valve actuator assembly Jan 31, 1991 Issued
Array ( [id] => 2832687 [patent_doc_number] => 05088456 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-18 [patent_title] => 'Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position' [patent_app_type] => 1 [patent_app_number] => 7/647290 [patent_app_country] => US [patent_app_date] => 1991-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5666 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/088/05088456.pdf [firstpage_image] =>[orig_patent_app_number] => 647290 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/647290
Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position Jan 28, 1991 Issued
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