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] => 2738601 [patent_doc_number] => 05058542 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Rocker box cover assembly for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/647301 [patent_app_country] => US [patent_app_date] => 1991-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1807 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/058/05058542.pdf [firstpage_image] =>[orig_patent_app_number] => 647301 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/647301
Rocker box cover assembly for internal combustion engine Jan 27, 1991 Issued
Array ( [id] => 2783945 [patent_doc_number] => 05113814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-19 [patent_title] => 'Valve timing control system for internal combustion engine with enhanced response characteristics in adjustment of valve timing' [patent_app_type] => 1 [patent_app_number] => 7/647569 [patent_app_country] => US [patent_app_date] => 1991-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3187 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/113/05113814.pdf [firstpage_image] =>[orig_patent_app_number] => 647569 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/647569
Valve timing control system for internal combustion engine with enhanced response characteristics in adjustment of valve timing Jan 27, 1991 Issued
Array ( [id] => 2826235 [patent_doc_number] => 05105778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-21 [patent_title] => 'Arrangement in an I.C. engine' [patent_app_type] => 1 [patent_app_number] => 7/643535 [patent_app_country] => US [patent_app_date] => 1991-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 669 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/105/05105778.pdf [firstpage_image] =>[orig_patent_app_number] => 643535 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/643535
Arrangement in an I.C. engine Jan 17, 1991 Issued
Array ( [id] => 2667156 [patent_doc_number] => 05048475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-17 [patent_title] => 'Rocker arm' [patent_app_type] => 1 [patent_app_number] => 7/642645 [patent_app_country] => US [patent_app_date] => 1991-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 2381 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/048/05048475.pdf [firstpage_image] =>[orig_patent_app_number] => 642645 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/642645
Rocker arm Jan 16, 1991 Issued
Array ( [id] => 2770070 [patent_doc_number] => 05101779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Ceramic link' [patent_app_type] => 1 [patent_app_number] => 7/641707 [patent_app_country] => US [patent_app_date] => 1991-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4758 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/101/05101779.pdf [firstpage_image] =>[orig_patent_app_number] => 641707 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641707
Ceramic link Jan 14, 1991 Issued
Array ( [id] => 2834494 [patent_doc_number] => 05111780 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Drive arrangement for a camshaft in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/635111 [patent_app_country] => US [patent_app_date] => 1991-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4415 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/111/05111780.pdf [firstpage_image] =>[orig_patent_app_number] => 635111 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/635111
Drive arrangement for a camshaft in an internal combustion engine Jan 13, 1991 Issued
Array ( [id] => 2753205 [patent_doc_number] => 05074261 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-24 [patent_title] => 'Rocker arm assembly' [patent_app_type] => 1 [patent_app_number] => 7/640928 [patent_app_country] => US [patent_app_date] => 1991-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1982 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/074/05074261.pdf [firstpage_image] =>[orig_patent_app_number] => 640928 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/640928
Rocker arm assembly Jan 13, 1991 Issued
Array ( [id] => 2651164 [patent_doc_number] => 05046463 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Assembling device for valve actuating components of internal-combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/634509 [patent_app_country] => US [patent_app_date] => 1990-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1327 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/046/05046463.pdf [firstpage_image] =>[orig_patent_app_number] => 634509 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/634509
Assembling device for valve actuating components of internal-combustion engines Dec 26, 1990 Issued
Array ( [id] => 2792382 [patent_doc_number] => 05078102 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-07 [patent_title] => 'Engine valve driving device' [patent_app_type] => 1 [patent_app_number] => 7/629812 [patent_app_country] => US [patent_app_date] => 1990-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1923 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/078/05078102.pdf [firstpage_image] =>[orig_patent_app_number] => 629812 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629812
Engine valve driving device Dec 20, 1990 Issued
Array ( [id] => 2767461 [patent_doc_number] => 05129370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Valve timing control device for automotive internal combustion engine clutch mechanism' [patent_app_type] => 1 [patent_app_number] => 7/632026 [patent_app_country] => US [patent_app_date] => 1990-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6005 [patent_no_of_claims] => 6 [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/05/129/05129370.pdf [firstpage_image] =>[orig_patent_app_number] => 632026 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/632026
Valve timing control device for automotive internal combustion engine clutch mechanism Dec 20, 1990 Issued
Array ( [id] => 2767443 [patent_doc_number] => 05129369 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Electromagnetic valve control system' [patent_app_type] => 1 [patent_app_number] => 7/638727 [patent_app_country] => US [patent_app_date] => 1990-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2470 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/129/05129369.pdf [firstpage_image] =>[orig_patent_app_number] => 638727 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/638727
Electromagnetic valve control system Dec 19, 1990 Issued
Array ( [id] => 2853388 [patent_doc_number] => 05090364 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Two-step valve operating mechanism' [patent_app_type] => 1 [patent_app_number] => 7/628694 [patent_app_country] => US [patent_app_date] => 1990-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 20 [patent_no_of_words] => 5874 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090364.pdf [firstpage_image] =>[orig_patent_app_number] => 628694 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/628694
Two-step valve operating mechanism Dec 13, 1990 Issued
Array ( [id] => 2656007 [patent_doc_number] => 05072700 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Electromagnetic valve control system' [patent_app_type] => 1 [patent_app_number] => 7/626021 [patent_app_country] => US [patent_app_date] => 1990-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3412 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/072/05072700.pdf [firstpage_image] =>[orig_patent_app_number] => 626021 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/626021
Electromagnetic valve control system Dec 11, 1990 Issued
Array ( [id] => 2828725 [patent_doc_number] => 05103779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Electro-rheological valve control mechanism' [patent_app_type] => 1 [patent_app_number] => 7/625115 [patent_app_country] => US [patent_app_date] => 1990-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 9458 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/103/05103779.pdf [firstpage_image] =>[orig_patent_app_number] => 625115 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/625115
Electro-rheological valve control mechanism Dec 9, 1990 Issued
Array ( [id] => 2704602 [patent_doc_number] => 05056479 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Valve timing control device for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/619732 [patent_app_country] => US [patent_app_date] => 1990-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2932 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/056/05056479.pdf [firstpage_image] =>[orig_patent_app_number] => 619732 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/619732
Valve timing control device for internal combustion engine Nov 28, 1990 Issued
Array ( [id] => 2915993 [patent_doc_number] => 05228419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => 'Valve operating system for engine' [patent_app_type] => 1 [patent_app_number] => 7/619895 [patent_app_country] => US [patent_app_date] => 1990-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6089 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/228/05228419.pdf [firstpage_image] =>[orig_patent_app_number] => 619895 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/619895
Valve operating system for engine Nov 27, 1990 Issued
Array ( [id] => 2799624 [patent_doc_number] => 05121717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-16 [patent_title] => 'Internal combustion engine camshaft phase shift control system' [patent_app_type] => 1 [patent_app_number] => 7/620517 [patent_app_country] => US [patent_app_date] => 1990-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3852 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/121/05121717.pdf [firstpage_image] =>[orig_patent_app_number] => 620517 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/620517
Internal combustion engine camshaft phase shift control system Nov 27, 1990 Issued
Array ( [id] => 2738563 [patent_doc_number] => 05058540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Engine valve driving device' [patent_app_type] => 1 [patent_app_number] => 7/617818 [patent_app_country] => US [patent_app_date] => 1990-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2573 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/058/05058540.pdf [firstpage_image] =>[orig_patent_app_number] => 617818 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/617818
Engine valve driving device Nov 25, 1990 Issued
Array ( [id] => 2805946 [patent_doc_number] => 05115772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'System for actuating valve in stepped movement' [patent_app_type] => 1 [patent_app_number] => 7/571529 [patent_app_country] => US [patent_app_date] => 1990-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2600 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/115/05115772.pdf [firstpage_image] =>[orig_patent_app_number] => 571529 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571529
System for actuating valve in stepped movement Nov 12, 1990 Issued
Array ( [id] => 2732962 [patent_doc_number] => 05070826 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Electromagnetic valve actuating system' [patent_app_type] => 1 [patent_app_number] => 7/571528 [patent_app_country] => US [patent_app_date] => 1990-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2902 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/070/05070826.pdf [firstpage_image] =>[orig_patent_app_number] => 571528 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571528
Electromagnetic valve actuating system Nov 12, 1990 Issued
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