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] => 3807548 [patent_doc_number] => 05730093 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-24 [patent_title] => 'Roller rocker arm' [patent_app_type] => 1 [patent_app_number] => 8/693776 [patent_app_country] => US [patent_app_date] => 1996-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2603 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/730/05730093.pdf [firstpage_image] =>[orig_patent_app_number] => 693776 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/693776
Roller rocker arm Aug 6, 1996 Issued
Array ( [id] => 3701752 [patent_doc_number] => 05615648 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-01 [patent_title] => 'Electro-hydraulic adjusting device' [patent_app_type] => 1 [patent_app_number] => 8/691196 [patent_app_country] => US [patent_app_date] => 1996-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6204 [patent_no_of_claims] => 3 [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/05/615/05615648.pdf [firstpage_image] =>[orig_patent_app_number] => 691196 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/691196
Electro-hydraulic adjusting device Aug 4, 1996 Issued
Array ( [id] => 3824699 [patent_doc_number] => 05706770 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-13 [patent_title] => 'Valve drive of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/687540 [patent_app_country] => US [patent_app_date] => 1996-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 2634 [patent_no_of_claims] => 2 [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/05/706/05706770.pdf [firstpage_image] =>[orig_patent_app_number] => 687540 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/687540
Valve drive of an internal combustion engine Aug 1, 1996 Issued
Array ( [id] => 3685049 [patent_doc_number] => 05645021 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-08 [patent_title] => 'Valve timing adjusting mechanism for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/686425 [patent_app_country] => US [patent_app_date] => 1996-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 5210 [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/05/645/05645021.pdf [firstpage_image] =>[orig_patent_app_number] => 686425 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/686425
Valve timing adjusting mechanism for internal combustion engine Jul 25, 1996 Issued
Array ( [id] => 3642797 [patent_doc_number] => 05626110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-06 [patent_title] => 'Valve train for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/686650 [patent_app_country] => US [patent_app_date] => 1996-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 8442 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 384 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/626/05626110.pdf [firstpage_image] =>[orig_patent_app_number] => 686650 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/686650
Valve train for internal combustion engine Jul 23, 1996 Issued
Array ( [id] => 3743955 [patent_doc_number] => 05720246 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-24 [patent_title] => 'Continuous fiber reinforced aluminum matrix composite pushrod' [patent_app_type] => 1 [patent_app_number] => 8/685281 [patent_app_country] => US [patent_app_date] => 1996-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6622 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/720/05720246.pdf [firstpage_image] =>[orig_patent_app_number] => 685281 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/685281
Continuous fiber reinforced aluminum matrix composite pushrod Jul 22, 1996 Issued
Array ( [id] => 3645182 [patent_doc_number] => 05655488 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-12 [patent_title] => 'Dual event valve control system' [patent_app_type] => 1 [patent_app_number] => 8/684671 [patent_app_country] => US [patent_app_date] => 1996-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2310 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/655/05655488.pdf [firstpage_image] =>[orig_patent_app_number] => 684671 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/684671
Dual event valve control system Jul 21, 1996 Issued
Array ( [id] => 3610717 [patent_doc_number] => 05619958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-15 [patent_title] => 'Engine valve control system using a latchable rocker arm' [patent_app_type] => 1 [patent_app_number] => 8/681319 [patent_app_country] => US [patent_app_date] => 1996-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 20 [patent_no_of_words] => 5534 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/619/05619958.pdf [firstpage_image] =>[orig_patent_app_number] => 681319 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/681319
Engine valve control system using a latchable rocker arm Jul 21, 1996 Issued
Array ( [id] => 3821469 [patent_doc_number] => 05743221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Method for a throttle-free load control of an internal combustion engine by means of variably controllable cylinder valves' [patent_app_type] => 1 [patent_app_number] => 8/683972 [patent_app_country] => US [patent_app_date] => 1996-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3243 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/743/05743221.pdf [firstpage_image] =>[orig_patent_app_number] => 683972 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/683972
Method for a throttle-free load control of an internal combustion engine by means of variably controllable cylinder valves Jul 21, 1996 Issued
Array ( [id] => 3746109 [patent_doc_number] => 05740768 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-21 [patent_title] => 'Engine cam shaft drive arrangement' [patent_app_type] => 1 [patent_app_number] => 8/684244 [patent_app_country] => US [patent_app_date] => 1996-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4138 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/740/05740768.pdf [firstpage_image] =>[orig_patent_app_number] => 684244 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/684244
Engine cam shaft drive arrangement Jul 18, 1996 Issued
Array ( [id] => 3784310 [patent_doc_number] => 05829396 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Hydraulically controlled intake/exhaust valve' [patent_app_type] => 1 [patent_app_number] => 8/682027 [patent_app_country] => US [patent_app_date] => 1996-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2120 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/829/05829396.pdf [firstpage_image] =>[orig_patent_app_number] => 682027 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/682027
Hydraulically controlled intake/exhaust valve Jul 15, 1996 Issued
08/676118 VARIABLE TIMING CAMSHAFT WITH VARIABLE VALVE LIFT Jul 14, 1996 Abandoned
Array ( [id] => 3870073 [patent_doc_number] => 05713317 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-03 [patent_title] => 'Method of and apparatus for continuously and variably controlling valve timing of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/684592 [patent_app_country] => US [patent_app_date] => 1996-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 5401 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/713/05713317.pdf [firstpage_image] =>[orig_patent_app_number] => 684592 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/684592
Method of and apparatus for continuously and variably controlling valve timing of internal combustion engine Jul 14, 1996 Issued
Array ( [id] => 3821511 [patent_doc_number] => 05743224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Valve lifter surface and processing method thereof' [patent_app_type] => 1 [patent_app_number] => 8/676949 [patent_app_country] => US [patent_app_date] => 1996-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1506 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/743/05743224.pdf [firstpage_image] =>[orig_patent_app_number] => 676949 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/676949
Valve lifter surface and processing method thereof Jul 7, 1996 Issued
Array ( [id] => 3870038 [patent_doc_number] => 05713315 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-03 [patent_title] => 'Multiple step valve opening control system' [patent_app_type] => 1 [patent_app_number] => 8/671638 [patent_app_country] => US [patent_app_date] => 1996-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 8846 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/713/05713315.pdf [firstpage_image] =>[orig_patent_app_number] => 671638 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/671638
Multiple step valve opening control system Jun 27, 1996 Issued
Array ( [id] => 3701741 [patent_doc_number] => 05615647 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-01 [patent_title] => 'Latch assembly for a valve control system' [patent_app_type] => 1 [patent_app_number] => 8/665273 [patent_app_country] => US [patent_app_date] => 1996-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2172 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/615/05615647.pdf [firstpage_image] =>[orig_patent_app_number] => 665273 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/665273
Latch assembly for a valve control system Jun 16, 1996 Issued
Array ( [id] => 3852294 [patent_doc_number] => 05823152 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Control apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/663525 [patent_app_country] => US [patent_app_date] => 1996-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 10937 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/823/05823152.pdf [firstpage_image] =>[orig_patent_app_number] => 663525 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/663525
Control apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engine Jun 12, 1996 Issued
08/663190 INTAKE-EXHAUST VALVE CONTROL MECHANISM FOR FOUR-STROKE CYCLE ENGINE Jun 10, 1996 Abandoned
Array ( [id] => 3653048 [patent_doc_number] => 05596959 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Shim for a tappet in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/659302 [patent_app_country] => US [patent_app_date] => 1996-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1255 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/596/05596959.pdf [firstpage_image] =>[orig_patent_app_number] => 659302 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/659302
Shim for a tappet in an internal combustion engine Jun 5, 1996 Issued
Array ( [id] => 3710568 [patent_doc_number] => 05671706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-30 [patent_title] => 'Variable valve timing' [patent_app_type] => 1 [patent_app_number] => 8/656178 [patent_app_country] => US [patent_app_date] => 1996-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 3099 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/671/05671706.pdf [firstpage_image] =>[orig_patent_app_number] => 656178 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/656178
Variable valve timing Jun 4, 1996 Issued
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