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] => 3025431 [patent_doc_number] => 05333579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-02 [patent_title] => 'Control device for controlling intake and exhaust valves of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/008801 [patent_app_country] => US [patent_app_date] => 1993-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3949 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/333/05333579.pdf [firstpage_image] =>[orig_patent_app_number] => 008801 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/008801
Control device for controlling intake and exhaust valves of internal combustion engine Jan 26, 1993 Issued
Array ( [id] => 3495269 [patent_doc_number] => RE035219 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-30 [patent_title] => 'Apparatus for using hazardous waste to form non-hazardous aggregate' [patent_app_type] => 2 [patent_app_number] => 8/006604 [patent_app_country] => US [patent_app_date] => 1993-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 8381 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/035/RE035219.pdf [firstpage_image] =>[orig_patent_app_number] => 006604 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/006604
Apparatus for using hazardous waste to form non-hazardous aggregate Jan 20, 1993 Issued
Array ( [id] => 2929888 [patent_doc_number] => 05261361 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Assembly for simultaneously actuating two valves of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/976973 [patent_app_country] => US [patent_app_date] => 1993-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 20 [patent_no_of_words] => 2728 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/261/05261361.pdf [firstpage_image] =>[orig_patent_app_number] => 976973 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/976973
Assembly for simultaneously actuating two valves of an internal combustion engine Jan 18, 1993 Issued
Array ( [id] => 2943386 [patent_doc_number] => 05263443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Hydraulic phaseshifter' [patent_app_type] => 1 [patent_app_number] => 8/004735 [patent_app_country] => US [patent_app_date] => 1993-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4499 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/263/05263443.pdf [firstpage_image] =>[orig_patent_app_number] => 004735 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/004735
Hydraulic phaseshifter Jan 13, 1993 Issued
Array ( [id] => 3052442 [patent_doc_number] => 05363818 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-15 [patent_title] => 'Valve operating apparatus in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/960001 [patent_app_country] => US [patent_app_date] => 1993-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4369 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/363/05363818.pdf [firstpage_image] =>[orig_patent_app_number] => 960001 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/960001
Valve operating apparatus in internal combustion engine Jan 12, 1993 Issued
Array ( [id] => 2875911 [patent_doc_number] => 05239953 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-31 [patent_title] => 'Hydraulic tappet for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/003025 [patent_app_country] => US [patent_app_date] => 1993-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2635 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/239/05239953.pdf [firstpage_image] =>[orig_patent_app_number] => 003025 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/003025
Hydraulic tappet for an internal combustion engine Jan 10, 1993 Issued
Array ( [id] => 2934601 [patent_doc_number] => 05241928 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Movable valve device for engine' [patent_app_type] => 1 [patent_app_number] => 8/002152 [patent_app_country] => US [patent_app_date] => 1993-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 5949 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/241/05241928.pdf [firstpage_image] =>[orig_patent_app_number] => 002152 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/002152
Movable valve device for engine Jan 10, 1993 Issued
Array ( [id] => 2964955 [patent_doc_number] => 05249554 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-05 [patent_title] => 'Powertrain component with adherent film having a graded composition' [patent_app_type] => 1 [patent_app_number] => 8/002490 [patent_app_country] => US [patent_app_date] => 1993-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 4566 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/249/05249554.pdf [firstpage_image] =>[orig_patent_app_number] => 002490 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/002490
Powertrain component with adherent film having a graded composition Jan 7, 1993 Issued
Array ( [id] => 2870331 [patent_doc_number] => 05237967 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-24 [patent_title] => 'Powertrain component with amorphous hydrogenated carbon film' [patent_app_type] => 1 [patent_app_number] => 8/001989 [patent_app_country] => US [patent_app_date] => 1993-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4075 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/237/05237967.pdf [firstpage_image] =>[orig_patent_app_number] => 001989 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/001989
Powertrain component with amorphous hydrogenated carbon film Jan 7, 1993 Issued
Array ( [id] => 3045915 [patent_doc_number] => 05309874 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-10 [patent_title] => 'Powertrain component with adherent amorphous or nanocrystalline ceramic coating system' [patent_app_type] => 1 [patent_app_number] => 8/002190 [patent_app_country] => US [patent_app_date] => 1993-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4344 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/309/05309874.pdf [firstpage_image] =>[orig_patent_app_number] => 002190 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/002190
Powertrain component with adherent amorphous or nanocrystalline ceramic coating system Jan 7, 1993 Issued
Array ( [id] => 2892645 [patent_doc_number] => 05235940 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Engine valve driving apparatus' [patent_app_type] => 1 [patent_app_number] => 8/002345 [patent_app_country] => US [patent_app_date] => 1993-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3192 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/235/05235940.pdf [firstpage_image] =>[orig_patent_app_number] => 002345 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/002345
Engine valve driving apparatus Jan 5, 1993 Issued
Array ( [id] => 3033958 [patent_doc_number] => 05343834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-06 [patent_title] => 'Device for adjusting the rotational angle relationship between a camshaft and its drive element' [patent_app_type] => 1 [patent_app_number] => 7/962213 [patent_app_country] => US [patent_app_date] => 1993-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3433 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/343/05343834.pdf [firstpage_image] =>[orig_patent_app_number] => 962213 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/962213
Device for adjusting the rotational angle relationship between a camshaft and its drive element Jan 4, 1993 Issued
Array ( [id] => 3435244 [patent_doc_number] => 05386807 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-07 [patent_title] => 'Device for adjusting the rotational angle relationship between a camshaft and its drive element' [patent_app_type] => 1 [patent_app_number] => 7/966149 [patent_app_country] => US [patent_app_date] => 1993-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4823 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/386/05386807.pdf [firstpage_image] =>[orig_patent_app_number] => 966149 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/966149
Device for adjusting the rotational angle relationship between a camshaft and its drive element Jan 4, 1993 Issued
07/961671 VARIABLE VALVE TIMING Jan 4, 1993 Abandoned
Array ( [id] => 2892678 [patent_doc_number] => 05235942 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Cylinder head assembly' [patent_app_type] => 1 [patent_app_number] => 7/995850 [patent_app_country] => US [patent_app_date] => 1992-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1680 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/235/05235942.pdf [firstpage_image] =>[orig_patent_app_number] => 995850 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/995850
Cylinder head assembly Dec 22, 1992 Issued
Array ( [id] => 3013489 [patent_doc_number] => 05327856 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-12 [patent_title] => 'Method and apparatus for electrically driving engine valves' [patent_app_type] => 1 [patent_app_number] => 7/994829 [patent_app_country] => US [patent_app_date] => 1992-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 5217 [patent_no_of_claims] => 6 [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/05/327/05327856.pdf [firstpage_image] =>[orig_patent_app_number] => 994829 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/994829
Method and apparatus for electrically driving engine valves Dec 21, 1992 Issued
07/993376 SELF-LUBRICATING CAM FOLLOWER Dec 17, 1992 Abandoned
Array ( [id] => 2912388 [patent_doc_number] => 05231959 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-03 [patent_title] => 'Intake or exhaust valve actuator' [patent_app_type] => 1 [patent_app_number] => 7/991134 [patent_app_country] => US [patent_app_date] => 1992-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2862 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 427 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/231/05231959.pdf [firstpage_image] =>[orig_patent_app_number] => 991134 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/991134
Intake or exhaust valve actuator Dec 15, 1992 Issued
Array ( [id] => 3035613 [patent_doc_number] => 05282443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-01 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/988441 [patent_app_country] => US [patent_app_date] => 1992-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 16468 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/282/05282443.pdf [firstpage_image] =>[orig_patent_app_number] => 988441 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/988441
Valve operating system in internal combustion engine Dec 8, 1992 Issued
Array ( [id] => 2925245 [patent_doc_number] => 05253619 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Hydraulically powered actuator with pneumatic spring and hydraulic latching' [patent_app_type] => 1 [patent_app_number] => 7/990777 [patent_app_country] => US [patent_app_date] => 1992-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 5237 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253619.pdf [firstpage_image] =>[orig_patent_app_number] => 990777 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/990777
Hydraulically powered actuator with pneumatic spring and hydraulic latching Dec 8, 1992 Issued
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