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] => 3060617 [patent_doc_number] => 05320082 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Valve-moving apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/026006 [patent_app_country] => US [patent_app_date] => 1993-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 6905 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/320/05320082.pdf [firstpage_image] =>[orig_patent_app_number] => 026006 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/026006
Valve-moving apparatus for internal combustion engine Mar 3, 1993 Issued
Array ( [id] => 3077987 [patent_doc_number] => 05291860 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'VCT system with control valve bias at low pressures and unbiased control at normal operating pressures' [patent_app_type] => 1 [patent_app_number] => 8/026398 [patent_app_country] => US [patent_app_date] => 1993-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 6275 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 426 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/291/05291860.pdf [firstpage_image] =>[orig_patent_app_number] => 026398 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/026398
VCT system with control valve bias at low pressures and unbiased control at normal operating pressures Mar 3, 1993 Issued
Array ( [id] => 2925263 [patent_doc_number] => 05253620 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Internal combustion engine adjustable valve gear' [patent_app_type] => 1 [patent_app_number] => 8/025257 [patent_app_country] => US [patent_app_date] => 1993-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1910 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253620.pdf [firstpage_image] =>[orig_patent_app_number] => 025257 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/025257
Internal combustion engine adjustable valve gear Mar 1, 1993 Issued
Array ( [id] => 2993127 [patent_doc_number] => 05339628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-23 [patent_title] => 'Method for monitoring the catalytic activity of a catalytic converter in the exhaust gas system of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/024656 [patent_app_country] => US [patent_app_date] => 1993-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6500 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/339/05339628.pdf [firstpage_image] =>[orig_patent_app_number] => 024656 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/024656
Method for monitoring the catalytic activity of a catalytic converter in the exhaust gas system of an internal combustion engine Feb 28, 1993 Issued
Array ( [id] => 3008495 [patent_doc_number] => 05315961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-31 [patent_title] => 'Hydraulic valve tappet for an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/979866 [patent_app_country] => US [patent_app_date] => 1993-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3085 [patent_no_of_claims] => 10 [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/05/315/05315961.pdf [firstpage_image] =>[orig_patent_app_number] => 979866 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/979866
Hydraulic valve tappet for an internal-combustion engine Feb 25, 1993 Issued
Array ( [id] => 3445956 [patent_doc_number] => 05441020 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-15 [patent_title] => 'Valve-moving apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/023390 [patent_app_country] => US [patent_app_date] => 1993-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 67 [patent_no_of_words] => 19469 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/441/05441020.pdf [firstpage_image] =>[orig_patent_app_number] => 023390 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/023390
Valve-moving apparatus for internal combustion engine Feb 25, 1993 Issued
Array ( [id] => 3031729 [patent_doc_number] => 05305717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Arrangement for the automatically controlled varying of the relative rotating position of shafts in an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/977441 [patent_app_country] => US [patent_app_date] => 1993-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3037 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/305/05305717.pdf [firstpage_image] =>[orig_patent_app_number] => 977441 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/977441
Arrangement for the automatically controlled varying of the relative rotating position of shafts in an internal-combustion engine Feb 24, 1993 Issued
Array ( [id] => 3069356 [patent_doc_number] => 05277222 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Pressure actuatable valve assembly' [patent_app_type] => 1 [patent_app_number] => 8/023832 [patent_app_country] => US [patent_app_date] => 1993-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2340 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/277/05277222.pdf [firstpage_image] =>[orig_patent_app_number] => 023832 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/023832
Pressure actuatable valve assembly Feb 22, 1993 Issued
Array ( [id] => 2978390 [patent_doc_number] => 05357917 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Stamped cam follower and method of making a stamped cam follower' [patent_app_type] => 1 [patent_app_number] => 8/021496 [patent_app_country] => US [patent_app_date] => 1993-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 2158 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/357/05357917.pdf [firstpage_image] =>[orig_patent_app_number] => 021496 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/021496
Stamped cam follower and method of making a stamped cam follower Feb 22, 1993 Issued
Array ( [id] => 2925300 [patent_doc_number] => 05253622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Cam phase change mechanism' [patent_app_type] => 1 [patent_app_number] => 8/018714 [patent_app_country] => US [patent_app_date] => 1993-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4401 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253622.pdf [firstpage_image] =>[orig_patent_app_number] => 018714 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/018714
Cam phase change mechanism Feb 16, 1993 Issued
Array ( [id] => 2943298 [patent_doc_number] => 05273007 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Arrangement for distributing oil in a camshaft' [patent_app_type] => 1 [patent_app_number] => 7/955722 [patent_app_country] => US [patent_app_date] => 1993-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1502 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/273/05273007.pdf [firstpage_image] =>[orig_patent_app_number] => 955722 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/955722
Arrangement for distributing oil in a camshaft Feb 16, 1993 Issued
08/018079 POWDERED METAL CAMSHAFT ASSEMBLY Feb 15, 1993 Issued
Array ( [id] => 2934638 [patent_doc_number] => 05241930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Spark plug adapter' [patent_app_type] => 1 [patent_app_number] => 8/013606 [patent_app_country] => US [patent_app_date] => 1993-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 723 [patent_no_of_claims] => 4 [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/05/241/05241930.pdf [firstpage_image] =>[orig_patent_app_number] => 013606 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/013606
Spark plug adapter Feb 3, 1993 Issued
Array ( [id] => 3056115 [patent_doc_number] => 05295460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Hydraulic valve play equalization element' [patent_app_type] => 1 [patent_app_number] => 8/012687 [patent_app_country] => US [patent_app_date] => 1993-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1994 [patent_no_of_claims] => 11 [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/05/295/05295460.pdf [firstpage_image] =>[orig_patent_app_number] => 012687 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/012687
Hydraulic valve play equalization element Feb 2, 1993 Issued
Array ( [id] => 3423880 [patent_doc_number] => 05403569 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-04 [patent_title] => 'Process for boiler flue gas cleaning by absorption, separation and liquefaction' [patent_app_type] => 1 [patent_app_number] => 8/011870 [patent_app_country] => US [patent_app_date] => 1993-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4324 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 509 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/403/05403569.pdf [firstpage_image] =>[orig_patent_app_number] => 011870 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/011870
Process for boiler flue gas cleaning by absorption, separation and liquefaction Jan 31, 1993 Issued
Array ( [id] => 2958681 [patent_doc_number] => 05251585 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Two-armed lever' [patent_app_type] => 1 [patent_app_number] => 8/012001 [patent_app_country] => US [patent_app_date] => 1993-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3614 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/251/05251585.pdf [firstpage_image] =>[orig_patent_app_number] => 012001 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/012001
Two-armed lever Jan 31, 1993 Issued
08/011180 THRUST GRATING COOLER AND METHOD FOR COOLING HOT MATERIAL Jan 28, 1993 Abandoned
Array ( [id] => 3010103 [patent_doc_number] => 05341777 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-30 [patent_title] => 'Valve operation control system' [patent_app_type] => 1 [patent_app_number] => 8/010884 [patent_app_country] => US [patent_app_date] => 1993-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2563 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/341/05341777.pdf [firstpage_image] =>[orig_patent_app_number] => 010884 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/010884
Valve operation control system Jan 28, 1993 Issued
Array ( [id] => 2991591 [patent_doc_number] => 05275138 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'Variable valve timing system in an engine having two cam-shafts' [patent_app_type] => 1 [patent_app_number] => 8/010843 [patent_app_country] => US [patent_app_date] => 1993-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1818 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/275/05275138.pdf [firstpage_image] =>[orig_patent_app_number] => 010843 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/010843
Variable valve timing system in an engine having two cam-shafts Jan 28, 1993 Issued
Array ( [id] => 2976248 [patent_doc_number] => 05361733 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-08 [patent_title] => 'Compact valve lifters' [patent_app_type] => 1 [patent_app_number] => 8/011667 [patent_app_country] => US [patent_app_date] => 1993-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 4210 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/361/05361733.pdf [firstpage_image] =>[orig_patent_app_number] => 011667 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/011667
Compact valve lifters Jan 27, 1993 Issued
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