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] => 2956713 [patent_doc_number] => 05255639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Integral EVT/cylinder head assembly with self-purging fluid flow' [patent_app_type] => 1 [patent_app_number] => 7/961609 [patent_app_country] => US [patent_app_date] => 1992-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1611 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/255/05255639.pdf [firstpage_image] =>[orig_patent_app_number] => 961609 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/961609
Integral EVT/cylinder head assembly with self-purging fluid flow Oct 14, 1992 Issued
Array ( [id] => 2888225 [patent_doc_number] => 05215046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Rotational phase difference adjusting means' [patent_app_type] => 1 [patent_app_number] => 7/953668 [patent_app_country] => US [patent_app_date] => 1992-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2979 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/215/05215046.pdf [firstpage_image] =>[orig_patent_app_number] => 953668 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/953668
Rotational phase difference adjusting means Sep 29, 1992 Issued
Array ( [id] => 2916012 [patent_doc_number] => 05228420 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => 'Valve rocker cover' [patent_app_type] => 1 [patent_app_number] => 7/950266 [patent_app_country] => US [patent_app_date] => 1992-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3203 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/228/05228420.pdf [firstpage_image] =>[orig_patent_app_number] => 950266 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/950266
Valve rocker cover Sep 24, 1992 Issued
Array ( [id] => 2901298 [patent_doc_number] => 05233951 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Flow restriction controlled variable engine valve system' [patent_app_type] => 1 [patent_app_number] => 7/951017 [patent_app_country] => US [patent_app_date] => 1992-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 2962 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/233/05233951.pdf [firstpage_image] =>[orig_patent_app_number] => 951017 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/951017
Flow restriction controlled variable engine valve system Sep 24, 1992 Issued
Array ( [id] => 2994764 [patent_doc_number] => 05280771 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-25 [patent_title] => 'Direct acting hydraulic tappet' [patent_app_type] => 1 [patent_app_number] => 7/950534 [patent_app_country] => US [patent_app_date] => 1992-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1986 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/280/05280771.pdf [firstpage_image] =>[orig_patent_app_number] => 950534 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/950534
Direct acting hydraulic tappet Sep 22, 1992 Issued
Array ( [id] => 2867333 [patent_doc_number] => 05213071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-25 [patent_title] => 'Support structure for cam shafts' [patent_app_type] => 1 [patent_app_number] => 7/947638 [patent_app_country] => US [patent_app_date] => 1992-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2021 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/213/05213071.pdf [firstpage_image] =>[orig_patent_app_number] => 947638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/947638
Support structure for cam shafts Sep 20, 1992 Issued
Array ( [id] => 2900003 [patent_doc_number] => 05236332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Method of controlling an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/946983 [patent_app_country] => US [patent_app_date] => 1992-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2734 [patent_no_of_claims] => 10 [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/05/236/05236332.pdf [firstpage_image] =>[orig_patent_app_number] => 946983 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/946983
Method of controlling an internal combustion engine Sep 16, 1992 Issued
Array ( [id] => 2959739 [patent_doc_number] => 05181486 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Timing-range gear' [patent_app_type] => 1 [patent_app_number] => 7/945370 [patent_app_country] => US [patent_app_date] => 1992-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2263 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/181/05181486.pdf [firstpage_image] =>[orig_patent_app_number] => 945370 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/945370
Timing-range gear Sep 15, 1992 Issued
Array ( [id] => 2872015 [patent_doc_number] => 05269267 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-14 [patent_title] => 'Mechanism for controlling valve timing' [patent_app_type] => 1 [patent_app_number] => 7/944605 [patent_app_country] => US [patent_app_date] => 1992-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4953 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/269/05269267.pdf [firstpage_image] =>[orig_patent_app_number] => 944605 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/944605
Mechanism for controlling valve timing Sep 13, 1992 Issued
Array ( [id] => 2978354 [patent_doc_number] => 05357915 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Valve system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/942676 [patent_app_country] => US [patent_app_date] => 1992-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 19 [patent_no_of_words] => 6927 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/357/05357915.pdf [firstpage_image] =>[orig_patent_app_number] => 942676 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/942676
Valve system for internal combustion engine Sep 8, 1992 Issued
Array ( [id] => 2913826 [patent_doc_number] => 05218935 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'VCT system having closed loop control employing spool valve actuated by a stepper motor' [patent_app_type] => 1 [patent_app_number] => 7/940273 [patent_app_country] => US [patent_app_date] => 1992-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 4731 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/218/05218935.pdf [firstpage_image] =>[orig_patent_app_number] => 940273 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/940273
VCT system having closed loop control employing spool valve actuated by a stepper motor Sep 2, 1992 Issued
Array ( [id] => 2955634 [patent_doc_number] => 05207193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/939059 [patent_app_country] => US [patent_app_date] => 1992-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5838 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/207/05207193.pdf [firstpage_image] =>[orig_patent_app_number] => 939059 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/939059
Valve operating system in internal combustion engine Sep 1, 1992 Issued
Array ( [id] => 2955602 [patent_doc_number] => 05207191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Boat-type rocker arm with stiffening member' [patent_app_type] => 1 [patent_app_number] => 7/937562 [patent_app_country] => US [patent_app_date] => 1992-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1601 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/207/05207191.pdf [firstpage_image] =>[orig_patent_app_number] => 937562 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/937562
Boat-type rocker arm with stiffening member Aug 30, 1992 Issued
Array ( [id] => 2993110 [patent_doc_number] => 05339627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-23 [patent_title] => 'Method and apparatus for regulating and testing' [patent_app_type] => 1 [patent_app_number] => 7/938893 [patent_app_country] => US [patent_app_date] => 1992-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1923 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/339/05339627.pdf [firstpage_image] =>[orig_patent_app_number] => 938893 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/938893
Method and apparatus for regulating and testing Aug 30, 1992 Issued
Array ( [id] => 2947876 [patent_doc_number] => 05201289 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/937273 [patent_app_country] => US [patent_app_date] => 1992-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3047 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/201/05201289.pdf [firstpage_image] =>[orig_patent_app_number] => 937273 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/937273
Valve timing control system for internal combustion engine Aug 30, 1992 Issued
Array ( [id] => 3051297 [patent_doc_number] => 05293845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Control mechanism for engine valve timing' [patent_app_type] => 1 [patent_app_number] => 7/934252 [patent_app_country] => US [patent_app_date] => 1992-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 5259 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293845.pdf [firstpage_image] =>[orig_patent_app_number] => 934252 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/934252
Control mechanism for engine valve timing Aug 24, 1992 Issued
Array ( [id] => 2901280 [patent_doc_number] => 05233950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Valve operating system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/932459 [patent_app_country] => US [patent_app_date] => 1992-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 24 [patent_no_of_words] => 7556 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/233/05233950.pdf [firstpage_image] =>[orig_patent_app_number] => 932459 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/932459
Valve operating system for internal combustion engine Aug 19, 1992 Issued
Array ( [id] => 2959980 [patent_doc_number] => 05203290 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Intake and/or exhaust-valve timing control sytem for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/929434 [patent_app_country] => US [patent_app_date] => 1992-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5155 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 475 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/203/05203290.pdf [firstpage_image] =>[orig_patent_app_number] => 929434 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/929434
Intake and/or exhaust-valve timing control sytem for internal combustion engine Aug 13, 1992 Issued
Array ( [id] => 3002217 [patent_doc_number] => 05287830 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Valve control means' [patent_app_type] => 1 [patent_app_number] => 7/920389 [patent_app_country] => US [patent_app_date] => 1992-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2351 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/287/05287830.pdf [firstpage_image] =>[orig_patent_app_number] => 920389 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/920389
Valve control means Aug 13, 1992 Issued
Array ( [id] => 2929869 [patent_doc_number] => 05261360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Device for adjusting control times in a control device' [patent_app_type] => 1 [patent_app_number] => 7/923845 [patent_app_country] => US [patent_app_date] => 1992-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2158 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/261/05261360.pdf [firstpage_image] =>[orig_patent_app_number] => 923845 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/923845
Device for adjusting control times in a control device Jul 30, 1992 Issued
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