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] => 3033977 [patent_doc_number] => 05343835 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-06 [patent_title] => 'Valve spring retainer' [patent_app_type] => 1 [patent_app_number] => 7/986218 [patent_app_country] => US [patent_app_date] => 1992-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2406 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/343/05343835.pdf [firstpage_image] =>[orig_patent_app_number] => 986218 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/986218
Valve spring retainer Dec 6, 1992 Issued
07/920388 CAM MECHANISMS Nov 30, 1992 Abandoned
Array ( [id] => 2889987 [patent_doc_number] => 05247913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Variable valve for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/982886 [patent_app_country] => US [patent_app_date] => 1992-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 1560 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/247/05247913.pdf [firstpage_image] =>[orig_patent_app_number] => 982886 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/982886
Variable valve for internal combustion engine Nov 29, 1992 Issued
Array ( [id] => 3045897 [patent_doc_number] => 05309873 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-10 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/982695 [patent_app_country] => US [patent_app_date] => 1992-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3592 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/309/05309873.pdf [firstpage_image] =>[orig_patent_app_number] => 982695 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/982695
Valve timing control system for internal combustion engine Nov 26, 1992 Issued
Array ( [id] => 2892662 [patent_doc_number] => 05235941 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Actuator for camshaft phase change device' [patent_app_type] => 1 [patent_app_number] => 7/924766 [patent_app_country] => US [patent_app_date] => 1992-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4912 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/235/05235941.pdf [firstpage_image] =>[orig_patent_app_number] => 924766 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/924766
Actuator for camshaft phase change device Nov 17, 1992 Issued
Array ( [id] => 3046475 [patent_doc_number] => 05351670 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'Ignition distributor for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/976940 [patent_app_country] => US [patent_app_date] => 1992-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4349 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351670.pdf [firstpage_image] =>[orig_patent_app_number] => 976940 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/976940
Ignition distributor for an internal combustion engine Nov 17, 1992 Issued
Array ( [id] => 2939413 [patent_doc_number] => 05230308 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-27 [patent_title] => 'Low mass direct acting hydraulic valve lifter' [patent_app_type] => 1 [patent_app_number] => 7/978310 [patent_app_country] => US [patent_app_date] => 1992-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3299 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/230/05230308.pdf [firstpage_image] =>[orig_patent_app_number] => 978310 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/978310
Low mass direct acting hydraulic valve lifter Nov 16, 1992 Issued
Array ( [id] => 2875868 [patent_doc_number] => 05239951 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-31 [patent_title] => 'Valve lifter' [patent_app_type] => 1 [patent_app_number] => 7/974568 [patent_app_country] => US [patent_app_date] => 1992-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2036 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/239/05239951.pdf [firstpage_image] =>[orig_patent_app_number] => 974568 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/974568
Valve lifter Nov 11, 1992 Issued
07/975320 LOW FRICTION VALVE TRAIN Nov 11, 1992 Abandoned
Array ( [id] => 2875887 [patent_doc_number] => 05239952 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-31 [patent_title] => 'Valve actuating apparatus' [patent_app_type] => 1 [patent_app_number] => 7/972965 [patent_app_country] => US [patent_app_date] => 1992-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 3940 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/239/05239952.pdf [firstpage_image] =>[orig_patent_app_number] => 972965 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/972965
Valve actuating apparatus Nov 5, 1992 Issued
07/971948 ELECTRICALLY ACTUATED NESTED VALVES Nov 4, 1992 Abandoned
Array ( [id] => 2892627 [patent_doc_number] => 05235939 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Automotive engine torsional pulse enhancer' [patent_app_type] => 1 [patent_app_number] => 7/971656 [patent_app_country] => US [patent_app_date] => 1992-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3530 [patent_no_of_claims] => 3 [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/05/235/05235939.pdf [firstpage_image] =>[orig_patent_app_number] => 971656 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/971656
Automotive engine torsional pulse enhancer Nov 4, 1992 Issued
Array ( [id] => 2918637 [patent_doc_number] => 05259346 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-09 [patent_title] => 'Rocker arm of the cam-follower type for operating two valves' [patent_app_type] => 1 [patent_app_number] => 7/972427 [patent_app_country] => US [patent_app_date] => 1992-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1486 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/259/05259346.pdf [firstpage_image] =>[orig_patent_app_number] => 972427 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/972427
Rocker arm of the cam-follower type for operating two valves Nov 4, 1992 Issued
Array ( [id] => 2870348 [patent_doc_number] => 05237968 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-24 [patent_title] => 'Apparatus for adjustably controlling valve movement and fuel injection' [patent_app_type] => 1 [patent_app_number] => 7/971103 [patent_app_country] => US [patent_app_date] => 1992-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2253 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/237/05237968.pdf [firstpage_image] =>[orig_patent_app_number] => 971103 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/971103
Apparatus for adjustably controlling valve movement and fuel injection Nov 3, 1992 Issued
Array ( [id] => 2891759 [patent_doc_number] => 05226389 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Direct acting tappet' [patent_app_type] => 1 [patent_app_number] => 7/971136 [patent_app_country] => US [patent_app_date] => 1992-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 2076 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/226/05226389.pdf [firstpage_image] =>[orig_patent_app_number] => 971136 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/971136
Direct acting tappet Nov 3, 1992 Issued
Array ( [id] => 3465110 [patent_doc_number] => 05398649 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-21 [patent_title] => 'S.O.H.C. five valve engine' [patent_app_type] => 1 [patent_app_number] => 7/970109 [patent_app_country] => US [patent_app_date] => 1992-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4725 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/398/05398649.pdf [firstpage_image] =>[orig_patent_app_number] => 970109 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/970109
S.O.H.C. five valve engine Nov 1, 1992 Issued
Array ( [id] => 3076050 [patent_doc_number] => 05297516 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Valve actuating apparatus' [patent_app_type] => 1 [patent_app_number] => 7/965071 [patent_app_country] => US [patent_app_date] => 1992-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3620 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/297/05297516.pdf [firstpage_image] =>[orig_patent_app_number] => 965071 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/965071
Valve actuating apparatus Oct 21, 1992 Issued
Array ( [id] => 2934584 [patent_doc_number] => 05241927 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Internal combustion engine with different exhaust and intake valve operating characteristics' [patent_app_type] => 1 [patent_app_number] => 7/963986 [patent_app_country] => US [patent_app_date] => 1992-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6793 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/241/05241927.pdf [firstpage_image] =>[orig_patent_app_number] => 963986 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/963986
Internal combustion engine with different exhaust and intake valve operating characteristics Oct 19, 1992 Issued
Array ( [id] => 2967735 [patent_doc_number] => 05211143 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Adjustable valve system for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/905691 [patent_app_country] => US [patent_app_date] => 1992-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 3283 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/211/05211143.pdf [firstpage_image] =>[orig_patent_app_number] => 905691 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/905691
Adjustable valve system for an internal combustion engine Oct 15, 1992 Issued
Array ( [id] => 2881290 [patent_doc_number] => 05216988 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Dual bucket hydraulic actuator' [patent_app_type] => 1 [patent_app_number] => 7/961610 [patent_app_country] => US [patent_app_date] => 1992-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2978 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 376 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/216/05216988.pdf [firstpage_image] =>[orig_patent_app_number] => 961610 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/961610
Dual bucket hydraulic actuator Oct 14, 1992 Issued
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