Search

Weilun Lo

Supervisory Patent Examiner (ID: 6938, Phone: (571)272-4847 , Office: P/2179 )

Most Active Art Unit
3402
Art Unit(s)
3402, 3723, 2179, 3747, 3748, 3761, 2899
Total Applications
2327
Issued Applications
2049
Pending Applications
47
Abandoned Applications
231

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3942528 [patent_doc_number] => 05899182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Device for attaching an engine cover' [patent_app_type] => 1 [patent_app_number] => 8/958303 [patent_app_country] => US [patent_app_date] => 1997-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 854 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/899/05899182.pdf [firstpage_image] =>[orig_patent_app_number] => 958303 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/958303
Device for attaching an engine cover Oct 26, 1997 Issued
Array ( [id] => 3930671 [patent_doc_number] => 05934234 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Assembly structure of a shaft having a fixed sprocket' [patent_app_type] => 1 [patent_app_number] => 8/957785 [patent_app_country] => US [patent_app_date] => 1997-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 31 [patent_no_of_words] => 10106 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/934/05934234.pdf [firstpage_image] =>[orig_patent_app_number] => 957785 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/957785
Assembly structure of a shaft having a fixed sprocket Oct 23, 1997 Issued
Array ( [id] => 3979886 [patent_doc_number] => 05857437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-12 [patent_title] => 'Method of and apparatus for continuously and variably controlling valve timing of internal engine' [patent_app_type] => 1 [patent_app_number] => 8/955692 [patent_app_country] => US [patent_app_date] => 1997-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 5401 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/857/05857437.pdf [firstpage_image] =>[orig_patent_app_number] => 955692 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/955692
Method of and apparatus for continuously and variably controlling valve timing of internal engine Oct 21, 1997 Issued
Array ( [id] => 3768928 [patent_doc_number] => 05839453 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-24 [patent_title] => 'Internal combustion engines with combined cam and electro-hydraulic engine valve control' [patent_app_type] => 1 [patent_app_number] => 8/955509 [patent_app_country] => US [patent_app_date] => 1997-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 26 [patent_no_of_words] => 4550 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/839/05839453.pdf [firstpage_image] =>[orig_patent_app_number] => 955509 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/955509
Internal combustion engines with combined cam and electro-hydraulic engine valve control Oct 21, 1997 Issued
08/955946 TAPPET IN AN INTERNAL COMBUSTION ENGINE AND A METHOD OF MANUFACTURING THE SAME Oct 21, 1997 Abandoned
Array ( [id] => 3922538 [patent_doc_number] => 05870984 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Variable engine valve driver' [patent_app_type] => 1 [patent_app_number] => 8/954913 [patent_app_country] => US [patent_app_date] => 1997-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3308 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/870/05870984.pdf [firstpage_image] =>[orig_patent_app_number] => 954913 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/954913
Variable engine valve driver Oct 20, 1997 Issued
Array ( [id] => 3852280 [patent_doc_number] => 05823151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Valve gear cam follower in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/930529 [patent_app_country] => US [patent_app_date] => 1997-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2315 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/823/05823151.pdf [firstpage_image] =>[orig_patent_app_number] => 930529 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/930529
Valve gear cam follower in an internal combustion engine Oct 19, 1997 Issued
Array ( [id] => 3721264 [patent_doc_number] => 05799631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Apparatus for controlling engine valve performance' [patent_app_type] => 1 [patent_app_number] => 8/948338 [patent_app_country] => US [patent_app_date] => 1997-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2692 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/799/05799631.pdf [firstpage_image] =>[orig_patent_app_number] => 948338 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/948338
Apparatus for controlling engine valve performance Oct 8, 1997 Issued
Array ( [id] => 3952580 [patent_doc_number] => 05915348 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-29 [patent_title] => 'Adjusting cylinder of a camshaft adjusting device acted upon by a separate oil supply unit' [patent_app_type] => 1 [patent_app_number] => 8/953802 [patent_app_country] => US [patent_app_date] => 1997-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2033 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/915/05915348.pdf [firstpage_image] =>[orig_patent_app_number] => 953802 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/953802
Adjusting cylinder of a camshaft adjusting device acted upon by a separate oil supply unit Oct 7, 1997 Issued
Array ( [id] => 3787831 [patent_doc_number] => 05809953 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-22 [patent_title] => 'Variable valve timing mechanism' [patent_app_type] => 1 [patent_app_number] => 8/947093 [patent_app_country] => US [patent_app_date] => 1997-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 9714 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/809/05809953.pdf [firstpage_image] =>[orig_patent_app_number] => 947093 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/947093
Variable valve timing mechanism Oct 7, 1997 Issued
Array ( [id] => 3855821 [patent_doc_number] => 05803032 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Pressure medium sealing in a camshaft adjusting device' [patent_app_type] => 1 [patent_app_number] => 8/946447 [patent_app_country] => US [patent_app_date] => 1997-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3299 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/803/05803032.pdf [firstpage_image] =>[orig_patent_app_number] => 946447 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/946447
Pressure medium sealing in a camshaft adjusting device Oct 6, 1997 Issued
Array ( [id] => 4004305 [patent_doc_number] => 05924396 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Engine valve actuating system' [patent_app_type] => 1 [patent_app_number] => 8/946047 [patent_app_country] => US [patent_app_date] => 1997-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 4203 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/924/05924396.pdf [firstpage_image] =>[orig_patent_app_number] => 946047 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/946047
Engine valve actuating system Oct 6, 1997 Issued
Array ( [id] => 3971300 [patent_doc_number] => 05890463 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Tappet with a hydraulic valve clearance compensation element' [patent_app_type] => 1 [patent_app_number] => 8/946444 [patent_app_country] => US [patent_app_date] => 1997-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2314 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/890/05890463.pdf [firstpage_image] =>[orig_patent_app_number] => 946444 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/946444
Tappet with a hydraulic valve clearance compensation element Oct 6, 1997 Issued
Array ( [id] => 3752706 [patent_doc_number] => 05806476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-15 [patent_title] => 'Valve mechanism in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/930261 [patent_app_country] => US [patent_app_date] => 1997-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1825 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/806/05806476.pdf [firstpage_image] =>[orig_patent_app_number] => 930261 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/930261
Valve mechanism in an internal combustion engine Sep 28, 1997 Issued
Array ( [id] => 3965621 [patent_doc_number] => 05983848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Finger follower' [patent_app_type] => 1 [patent_app_number] => 8/938309 [patent_app_country] => US [patent_app_date] => 1997-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2590 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/983/05983848.pdf [firstpage_image] =>[orig_patent_app_number] => 938309 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/938309
Finger follower Sep 25, 1997 Issued
Array ( [id] => 4018833 [patent_doc_number] => 05855190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-05 [patent_title] => 'Valve-actuating variable cam for engine' [patent_app_type] => 1 [patent_app_number] => 8/937109 [patent_app_country] => US [patent_app_date] => 1997-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 7417 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/855/05855190.pdf [firstpage_image] =>[orig_patent_app_number] => 937109 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/937109
Valve-actuating variable cam for engine Sep 23, 1997 Issued
Array ( [id] => 3815189 [patent_doc_number] => 05813376 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-29 [patent_title] => 'Apparatus for supplying oil in engine' [patent_app_type] => 1 [patent_app_number] => 8/936108 [patent_app_country] => US [patent_app_date] => 1997-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4024 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/813/05813376.pdf [firstpage_image] =>[orig_patent_app_number] => 936108 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/936108
Apparatus for supplying oil in engine Sep 22, 1997 Issued
Array ( [id] => 3907282 [patent_doc_number] => 05970929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Turbocharged 4 stroke diesel engine with a variable camshaft timing system' [patent_app_type] => 1 [patent_app_number] => 8/732328 [patent_app_country] => US [patent_app_date] => 1997-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1480 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/970/05970929.pdf [firstpage_image] =>[orig_patent_app_number] => 732328 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/732328
Turbocharged 4 stroke diesel engine with a variable camshaft timing system Sep 22, 1997 Issued
Array ( [id] => 3867548 [patent_doc_number] => 05832887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Rotational phase adjusting apparatus having stopper piston' [patent_app_type] => 1 [patent_app_number] => 8/933082 [patent_app_country] => US [patent_app_date] => 1997-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 6809 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/832/05832887.pdf [firstpage_image] =>[orig_patent_app_number] => 933082 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/933082
Rotational phase adjusting apparatus having stopper piston Sep 17, 1997 Issued
Array ( [id] => 3743937 [patent_doc_number] => 05850812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Engine having variable valve timing mechanism' [patent_app_type] => 1 [patent_app_number] => 8/933102 [patent_app_country] => US [patent_app_date] => 1997-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3284 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/850/05850812.pdf [firstpage_image] =>[orig_patent_app_number] => 933102 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/933102
Engine having variable valve timing mechanism Sep 17, 1997 Issued
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