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] => 2615938 [patent_doc_number] => 04976229 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-11 [patent_title] => 'Engine camshaft phasing' [patent_app_type] => 1 [patent_app_number] => 7/478797 [patent_app_country] => US [patent_app_date] => 1990-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1037 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/976/04976229.pdf [firstpage_image] =>[orig_patent_app_number] => 478797 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/478797
Engine camshaft phasing Feb 11, 1990 Issued
Array ( [id] => 2614700 [patent_doc_number] => 04951616 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'V-type engine' [patent_app_type] => 1 [patent_app_number] => 7/476930 [patent_app_country] => US [patent_app_date] => 1990-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1611 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951616.pdf [firstpage_image] =>[orig_patent_app_number] => 476930 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/476930
V-type engine Feb 7, 1990 Issued
Array ( [id] => 2575243 [patent_doc_number] => 04958603 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Brace for connecting an auxiliary component to an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/474867 [patent_app_country] => US [patent_app_date] => 1990-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2411 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/958/04958603.pdf [firstpage_image] =>[orig_patent_app_number] => 474867 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/474867
Brace for connecting an auxiliary component to an internal combustion engine Feb 4, 1990 Issued
Array ( [id] => 2614756 [patent_doc_number] => 04951619 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Self-adjusting hydraulic valve tappet' [patent_app_type] => 1 [patent_app_number] => 7/472722 [patent_app_country] => US [patent_app_date] => 1990-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2297 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951619.pdf [firstpage_image] =>[orig_patent_app_number] => 472722 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/472722
Self-adjusting hydraulic valve tappet Jan 30, 1990 Issued
Array ( [id] => 2611652 [patent_doc_number] => 04966107 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-30 [patent_title] => 'Valve clearance adjustment' [patent_app_type] => 1 [patent_app_number] => 7/473125 [patent_app_country] => US [patent_app_date] => 1990-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 4992 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/966/04966107.pdf [firstpage_image] =>[orig_patent_app_number] => 473125 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/473125
Valve clearance adjustment Jan 30, 1990 Issued
Array ( [id] => 2687426 [patent_doc_number] => 05000142 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-19 [patent_title] => 'Chain cover apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 7/467533 [patent_app_country] => US [patent_app_date] => 1990-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2501 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/000/05000142.pdf [firstpage_image] =>[orig_patent_app_number] => 467533 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/467533
Chain cover apparatus for engine Jan 18, 1990 Issued
Array ( [id] => 2599747 [patent_doc_number] => 04967701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-06 [patent_title] => 'Valve timing adjuster' [patent_app_type] => 1 [patent_app_number] => 7/462401 [patent_app_country] => US [patent_app_date] => 1990-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4778 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/967/04967701.pdf [firstpage_image] =>[orig_patent_app_number] => 462401 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/462401
Valve timing adjuster Jan 8, 1990 Issued
Array ( [id] => 2747492 [patent_doc_number] => 05005537 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Method and device for introducing a carburetted mixture under pressure in a chamber of a two-stroke engine' [patent_app_type] => 1 [patent_app_number] => 7/459300 [patent_app_country] => US [patent_app_date] => 1989-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2249 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/005/05005537.pdf [firstpage_image] =>[orig_patent_app_number] => 459300 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/459300
Method and device for introducing a carburetted mixture under pressure in a chamber of a two-stroke engine Dec 28, 1989 Issued
Array ( [id] => 2665613 [patent_doc_number] => 05003938 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-02 [patent_title] => 'Pneumatically powered valve actuator' [patent_app_type] => 1 [patent_app_number] => 7/457014 [patent_app_country] => US [patent_app_date] => 1989-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 6238 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/003/05003938.pdf [firstpage_image] =>[orig_patent_app_number] => 457014 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/457014
Pneumatically powered valve actuator Dec 25, 1989 Issued
Array ( [id] => 2562997 [patent_doc_number] => 04972810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-27 [patent_title] => 'Electromagnetic force valve driving apparatus' [patent_app_type] => 1 [patent_app_number] => 7/457142 [patent_app_country] => US [patent_app_date] => 1989-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2361 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/972/04972810.pdf [firstpage_image] =>[orig_patent_app_number] => 457142 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/457142
Electromagnetic force valve driving apparatus Dec 25, 1989 Issued
Array ( [id] => 2726621 [patent_doc_number] => 05022357 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/456724 [patent_app_country] => US [patent_app_date] => 1989-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2770 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/022/05022357.pdf [firstpage_image] =>[orig_patent_app_number] => 456724 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/456724
Control system for internal combustion engine Dec 25, 1989 Issued
Array ( [id] => 2604816 [patent_doc_number] => 04955334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Control apparatus for valve driven by electromagnetic force' [patent_app_type] => 1 [patent_app_number] => 7/454959 [patent_app_country] => US [patent_app_date] => 1989-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2062 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/955/04955334.pdf [firstpage_image] =>[orig_patent_app_number] => 454959 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/454959
Control apparatus for valve driven by electromagnetic force Dec 21, 1989 Issued
Array ( [id] => 2604740 [patent_doc_number] => 04955330 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Cam drive mechanism for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/454725 [patent_app_country] => US [patent_app_date] => 1989-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1977 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/955/04955330.pdf [firstpage_image] =>[orig_patent_app_number] => 454725 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/454725
Cam drive mechanism for internal combustion engine Dec 19, 1989 Issued
Array ( [id] => 2613172 [patent_doc_number] => 04936265 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-26 [patent_title] => 'V-type internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/452374 [patent_app_country] => US [patent_app_date] => 1989-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1650 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/936/04936265.pdf [firstpage_image] =>[orig_patent_app_number] => 452374 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/452374
V-type internal combustion engine Dec 18, 1989 Issued
Array ( [id] => 2692679 [patent_doc_number] => 04981116 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-01 [patent_title] => 'Apparatus and method for wrapping a belt in an internal combustion engine and the like and an internal combustion engine with apparatus for wrapping a belt and associated method' [patent_app_type] => 1 [patent_app_number] => 7/452684 [patent_app_country] => US [patent_app_date] => 1989-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4506 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/981/04981116.pdf [firstpage_image] =>[orig_patent_app_number] => 452684 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/452684
Apparatus and method for wrapping a belt in an internal combustion engine and the like and an internal combustion engine with apparatus for wrapping a belt and associated method Dec 14, 1989 Issued
Array ( [id] => 2725652 [patent_doc_number] => 05010855 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-30 [patent_title] => 'Camshaft driving arrangement for double overhead camshaft engine' [patent_app_type] => 1 [patent_app_number] => 7/450509 [patent_app_country] => US [patent_app_date] => 1989-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2303 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/010/05010855.pdf [firstpage_image] =>[orig_patent_app_number] => 450509 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/450509
Camshaft driving arrangement for double overhead camshaft engine Dec 13, 1989 Issued
Array ( [id] => 2605016 [patent_doc_number] => 04955343 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Cylinder block' [patent_app_type] => 1 [patent_app_number] => 7/450699 [patent_app_country] => US [patent_app_date] => 1989-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 1612 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/955/04955343.pdf [firstpage_image] =>[orig_patent_app_number] => 450699 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/450699
Cylinder block Dec 13, 1989 Issued
Array ( [id] => 2611634 [patent_doc_number] => 04966106 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-30 [patent_title] => 'Camshaft driving arrangement for double overhead camshaft engine' [patent_app_type] => 1 [patent_app_number] => 7/450510 [patent_app_country] => US [patent_app_date] => 1989-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2016 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/966/04966106.pdf [firstpage_image] =>[orig_patent_app_number] => 450510 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/450510
Camshaft driving arrangement for double overhead camshaft engine Dec 13, 1989 Issued
Array ( [id] => 2617075 [patent_doc_number] => 04957077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Camshaft driving arrangement for double overhead camshaft engine' [patent_app_type] => 1 [patent_app_number] => 7/450696 [patent_app_country] => US [patent_app_date] => 1989-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2078 [patent_no_of_claims] => 5 [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/04/957/04957077.pdf [firstpage_image] =>[orig_patent_app_number] => 450696 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/450696
Camshaft driving arrangement for double overhead camshaft engine Dec 13, 1989 Issued
Array ( [id] => 2604836 [patent_doc_number] => 04955335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Camshaft driving arrangement for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/450777 [patent_app_country] => US [patent_app_date] => 1989-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2303 [patent_no_of_claims] => 6 [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/04/955/04955335.pdf [firstpage_image] =>[orig_patent_app_number] => 450777 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/450777
Camshaft driving arrangement for internal combustion engine Dec 13, 1989 Issued
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