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
09/068901 VALVE OPERATING SYSTEM May 21, 1998 Abandoned
Array ( [id] => 4123569 [patent_doc_number] => 06062184 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-16 [patent_title] => 'Rocker arm or finger lever formed by a chipless process' [patent_app_type] => 1 [patent_app_number] => 9/077238 [patent_app_country] => US [patent_app_date] => 1998-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 18 [patent_no_of_words] => 2067 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/062/06062184.pdf [firstpage_image] =>[orig_patent_app_number] => 077238 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/077238
Rocker arm or finger lever formed by a chipless process May 21, 1998 Issued
Array ( [id] => 4219315 [patent_doc_number] => 06079381 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-27 [patent_title] => 'Valve-timing controller for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/081792 [patent_app_country] => US [patent_app_date] => 1998-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 4977 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/079/06079381.pdf [firstpage_image] =>[orig_patent_app_number] => 081792 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/081792
Valve-timing controller for an internal combustion engine May 19, 1998 Issued
09/080731 INTERNAL COMBUSTION ENGINE May 17, 1998 Issued
Array ( [id] => 4030677 [patent_doc_number] => 05931133 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Roller cam follower bearing shaft retention' [patent_app_type] => 1 [patent_app_number] => 9/080421 [patent_app_country] => US [patent_app_date] => 1998-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 19 [patent_no_of_words] => 2772 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931133.pdf [firstpage_image] =>[orig_patent_app_number] => 080421 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/080421
Roller cam follower bearing shaft retention May 17, 1998 Issued
Array ( [id] => 4030634 [patent_doc_number] => 05931130 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Desmodromic distribution system for four-stroke engines' [patent_app_type] => 1 [patent_app_number] => 9/068913 [patent_app_country] => US [patent_app_date] => 1998-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1040 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931130.pdf [firstpage_image] =>[orig_patent_app_number] => 068913 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/068913
Desmodromic distribution system for four-stroke engines May 17, 1998 Issued
Array ( [id] => 4160298 [patent_doc_number] => 06148778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Air-fuel module adapted for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/078881 [patent_app_country] => US [patent_app_date] => 1998-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3322 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/148/06148778.pdf [firstpage_image] =>[orig_patent_app_number] => 078881 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/078881
Air-fuel module adapted for an internal combustion engine May 13, 1998 Issued
Array ( [id] => 3889095 [patent_doc_number] => 05896837 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-27 [patent_title] => 'Multipart cylinder head cover for an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/076947 [patent_app_country] => US [patent_app_date] => 1998-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1617 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/896/05896837.pdf [firstpage_image] =>[orig_patent_app_number] => 076947 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/076947
Multipart cylinder head cover for an internal-combustion engine May 12, 1998 Issued
09/078088 VALVE SPRING IN AN INTERNAL COMBUSTION ENGINE May 12, 1998 Issued
Array ( [id] => 3962916 [patent_doc_number] => 05904123 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'Mechanical valve tappet' [patent_app_type] => 1 [patent_app_number] => 9/075054 [patent_app_country] => US [patent_app_date] => 1998-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1878 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/904/05904123.pdf [firstpage_image] =>[orig_patent_app_number] => 075054 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/075054
Mechanical valve tappet May 7, 1998 Issued
09/073382 DEVICE AND METHOD FOR OPERATING A VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE May 5, 1998 Issued
Array ( [id] => 3984279 [patent_doc_number] => 05960758 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Roller cam follower bearing shaft retention' [patent_app_type] => 1 [patent_app_number] => 9/072856 [patent_app_country] => US [patent_app_date] => 1998-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 3711 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/960/05960758.pdf [firstpage_image] =>[orig_patent_app_number] => 072856 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/072856
Roller cam follower bearing shaft retention May 4, 1998 Issued
09/071010 HYDRAULIC LASH ADJUSTER AND CHECK VALVE OPENING ARRANGEMENT THEREFOR Apr 30, 1998 Issued
Array ( [id] => 3880223 [patent_doc_number] => 05893345 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-13 [patent_title] => 'Valve control apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/069984 [patent_app_country] => US [patent_app_date] => 1998-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5592 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/893/05893345.pdf [firstpage_image] =>[orig_patent_app_number] => 069984 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/069984
Valve control apparatus for an internal combustion engine Apr 29, 1998 Issued
Array ( [id] => 3908635 [patent_doc_number] => 05913293 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-22 [patent_title] => 'Oil passage structure for engine' [patent_app_type] => 1 [patent_app_number] => 9/069859 [patent_app_country] => US [patent_app_date] => 1998-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4616 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/913/05913293.pdf [firstpage_image] =>[orig_patent_app_number] => 069859 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/069859
Oil passage structure for engine Apr 29, 1998 Issued
Array ( [id] => 3899777 [patent_doc_number] => 05950583 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Valve gear of an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/066583 [patent_app_country] => US [patent_app_date] => 1998-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5675 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/950/05950583.pdf [firstpage_image] =>[orig_patent_app_number] => 066583 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/066583
Valve gear of an internal-combustion engine Apr 26, 1998 Issued
Array ( [id] => 3908621 [patent_doc_number] => 05913292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-22 [patent_title] => 'Variable valve timing and lift mechanism of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/064820 [patent_app_country] => US [patent_app_date] => 1998-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3986 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/913/05913292.pdf [firstpage_image] =>[orig_patent_app_number] => 064820 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/064820
Variable valve timing and lift mechanism of internal combustion engine Apr 22, 1998 Issued
Array ( [id] => 3955732 [patent_doc_number] => 05957095 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Valve timing controlling device of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/064872 [patent_app_country] => US [patent_app_date] => 1998-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 31 [patent_no_of_words] => 15363 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/957/05957095.pdf [firstpage_image] =>[orig_patent_app_number] => 064872 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/064872
Valve timing controlling device of internal combustion engine Apr 22, 1998 Issued
09/064789 VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE Apr 22, 1998 Issued
Array ( [id] => 4215145 [patent_doc_number] => 06089198 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-18 [patent_title] => 'Device for varying the opening and closing times of gas exchange valves of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/060125 [patent_app_country] => US [patent_app_date] => 1998-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4301 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/089/06089198.pdf [firstpage_image] =>[orig_patent_app_number] => 060125 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/060125
Device for varying the opening and closing times of gas exchange valves of an internal combustion engine Apr 13, 1998 Issued
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