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] => 3982397 [patent_doc_number] => 06003481 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Electromagnetic actuator with impact damping' [patent_app_type] => 1 [patent_app_number] => 9/068083 [patent_app_country] => US [patent_app_date] => 1998-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4861 [patent_no_of_claims] => 15 [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/06/003/06003481.pdf [firstpage_image] =>[orig_patent_app_number] => 068083 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/068083
Electromagnetic actuator with impact damping Aug 3, 1998 Issued
Array ( [id] => 4214018 [patent_doc_number] => 06073596 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-13 [patent_title] => 'Method for controlling electromagnetic actuators for operating cylinder valves in piston-type internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 9/126725 [patent_app_country] => US [patent_app_date] => 1998-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3673 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/073/06073596.pdf [firstpage_image] =>[orig_patent_app_number] => 126725 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/126725
Method for controlling electromagnetic actuators for operating cylinder valves in piston-type internal combustion engines Jul 30, 1998 Issued
Array ( [id] => 3918319 [patent_doc_number] => 05996539 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Method for affecting the mixture formation in cylinders of piston-type internal combustion engines by varying the valve strokes' [patent_app_type] => 1 [patent_app_number] => 9/126726 [patent_app_country] => US [patent_app_date] => 1998-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3495 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/996/05996539.pdf [firstpage_image] =>[orig_patent_app_number] => 126726 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/126726
Method for affecting the mixture formation in cylinders of piston-type internal combustion engines by varying the valve strokes Jul 30, 1998 Issued
Array ( [id] => 4062512 [patent_doc_number] => 06053133 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Tappet for an internal combustion engine valve drive' [patent_app_type] => 1 [patent_app_number] => 9/101613 [patent_app_country] => US [patent_app_date] => 1998-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2844 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/053/06053133.pdf [firstpage_image] =>[orig_patent_app_number] => 101613 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/101613
Tappet for an internal combustion engine valve drive Jul 30, 1998 Issued
Array ( [id] => 3930630 [patent_doc_number] => 05934231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Method of initiating motion of a cylinder valve actuated by an electromagnetic actuator' [patent_app_type] => 1 [patent_app_number] => 9/124975 [patent_app_country] => US [patent_app_date] => 1998-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2351 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/934/05934231.pdf [firstpage_image] =>[orig_patent_app_number] => 124975 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124975
Method of initiating motion of a cylinder valve actuated by an electromagnetic actuator Jul 29, 1998 Issued
Array ( [id] => 4186245 [patent_doc_number] => 06076490 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Electromagnetic assembly with gas springs for operating a cylinder valve of an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/123987 [patent_app_country] => US [patent_app_date] => 1998-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3174 [patent_no_of_claims] => 4 [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/06/076/06076490.pdf [firstpage_image] =>[orig_patent_app_number] => 123987 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/123987
Electromagnetic assembly with gas springs for operating a cylinder valve of an internal-combustion engine Jul 28, 1998 Issued
Array ( [id] => 4271947 [patent_doc_number] => 06182621 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Method of affecting mixture formation and charge motion in an engine cylinder' [patent_app_type] => 1 [patent_app_number] => 9/123578 [patent_app_country] => US [patent_app_date] => 1998-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2343 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/182/06182621.pdf [firstpage_image] =>[orig_patent_app_number] => 123578 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/123578
Method of affecting mixture formation and charge motion in an engine cylinder Jul 27, 1998 Issued
Array ( [id] => 4043068 [patent_doc_number] => 06006707 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Valve timing control apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/121553 [patent_app_country] => US [patent_app_date] => 1998-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 8812 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/006/06006707.pdf [firstpage_image] =>[orig_patent_app_number] => 121553 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/121553
Valve timing control apparatus for an internal combustion engine Jul 22, 1998 Issued
Array ( [id] => 3890707 [patent_doc_number] => 06000368 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-14 [patent_title] => 'Three-dimensional camshaft and its manufacturing method' [patent_app_type] => 1 [patent_app_number] => 9/118984 [patent_app_country] => US [patent_app_date] => 1998-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 3300 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/000/06000368.pdf [firstpage_image] =>[orig_patent_app_number] => 118984 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/118984
Three-dimensional camshaft and its manufacturing method Jul 16, 1998 Issued
Array ( [id] => 4043054 [patent_doc_number] => 06006706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Method and apparatus for controlling valve mechanism of engine' [patent_app_type] => 1 [patent_app_number] => 9/101741 [patent_app_country] => US [patent_app_date] => 1998-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5528 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/006/06006706.pdf [firstpage_image] =>[orig_patent_app_number] => 101741 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/101741
Method and apparatus for controlling valve mechanism of engine Jul 15, 1998 Issued
Array ( [id] => 3880209 [patent_doc_number] => 05893344 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-13 [patent_title] => 'Valve deactivator for pedestal type rocker arm' [patent_app_type] => 1 [patent_app_number] => 9/114739 [patent_app_country] => US [patent_app_date] => 1998-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3925 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/893/05893344.pdf [firstpage_image] =>[orig_patent_app_number] => 114739 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/114739
Valve deactivator for pedestal type rocker arm Jul 12, 1998 Issued
Array ( [id] => 3908326 [patent_doc_number] => 05979385 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Valve tappet actuated by the cam of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/101404 [patent_app_country] => US [patent_app_date] => 1998-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2042 [patent_no_of_claims] => 8 [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/05/979/05979385.pdf [firstpage_image] =>[orig_patent_app_number] => 101404 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/101404
Valve tappet actuated by the cam of an internal combustion engine Jul 6, 1998 Issued
Array ( [id] => 3915157 [patent_doc_number] => 05975036 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Variable valve actuation apparatus' [patent_app_type] => 1 [patent_app_number] => 9/108379 [patent_app_country] => US [patent_app_date] => 1998-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2177 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/975/05975036.pdf [firstpage_image] =>[orig_patent_app_number] => 108379 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/108379
Variable valve actuation apparatus Jun 30, 1998 Issued
Array ( [id] => 4103535 [patent_doc_number] => 06125803 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Electromagnetically driven valve for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/108507 [patent_app_country] => US [patent_app_date] => 1998-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 12841 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/125/06125803.pdf [firstpage_image] =>[orig_patent_app_number] => 108507 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/108507
Electromagnetically driven valve for an internal combustion engine Jun 30, 1998 Issued
Array ( [id] => 3915181 [patent_doc_number] => 05975038 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Pushrod for operating the valve gear mechanism of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/101130 [patent_app_country] => US [patent_app_date] => 1998-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1936 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/975/05975038.pdf [firstpage_image] =>[orig_patent_app_number] => 101130 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/101130
Pushrod for operating the valve gear mechanism of an internal combustion engine Jun 29, 1998 Issued
Array ( [id] => 4021308 [patent_doc_number] => 05967104 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/104433 [patent_app_country] => US [patent_app_date] => 1998-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2219 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/967/05967104.pdf [firstpage_image] =>[orig_patent_app_number] => 104433 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/104433
Valve timing control device Jun 24, 1998 Issued
Array ( [id] => 4269178 [patent_doc_number] => 06178936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Structure of overhead-valve internal combustion engine and manufacturing method for the same' [patent_app_type] => 1 [patent_app_number] => 9/104395 [patent_app_country] => US [patent_app_date] => 1998-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 22 [patent_no_of_words] => 10376 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/178/06178936.pdf [firstpage_image] =>[orig_patent_app_number] => 104395 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/104395
Structure of overhead-valve internal combustion engine and manufacturing method for the same Jun 24, 1998 Issued
Array ( [id] => 3955789 [patent_doc_number] => 05957099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Air-cooled engine for general use' [patent_app_type] => 1 [patent_app_number] => 9/104397 [patent_app_country] => US [patent_app_date] => 1998-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 3728 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/957/05957099.pdf [firstpage_image] =>[orig_patent_app_number] => 104397 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/104397
Air-cooled engine for general use Jun 24, 1998 Issued
Array ( [id] => 3908237 [patent_doc_number] => 05979379 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/102630 [patent_app_country] => US [patent_app_date] => 1998-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 10539 [patent_no_of_claims] => 22 [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/05/979/05979379.pdf [firstpage_image] =>[orig_patent_app_number] => 102630 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/102630
Valve operating system in internal combustion engine Jun 22, 1998 Issued
Array ( [id] => 4014561 [patent_doc_number] => 05941203 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/100035 [patent_app_country] => US [patent_app_date] => 1998-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4562 [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/05/941/05941203.pdf [firstpage_image] =>[orig_patent_app_number] => 100035 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/100035
Valve timing control device Jun 18, 1998 Issued
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