
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2914396
[patent_doc_number] => 05188068
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-23
[patent_title] => 'Roller tappet'
[patent_app_type] => 1
[patent_app_number] => 7/879722
[patent_app_country] => US
[patent_app_date] => 1992-05-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 10
[patent_no_of_words] => 1866
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/188/05188068.pdf
[firstpage_image] =>[orig_patent_app_number] => 879722
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/879722 | Roller tappet | May 5, 1992 | Issued |
Array
(
[id] => 2918620
[patent_doc_number] => 05259345
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-11-09
[patent_title] => 'Pneumatically powered actuator with hydraulic latching'
[patent_app_type] => 1
[patent_app_number] => 7/878644
[patent_app_country] => US
[patent_app_date] => 1992-05-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2587
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 110
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/259/05259345.pdf
[firstpage_image] =>[orig_patent_app_number] => 878644
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/878644 | Pneumatically powered actuator with hydraulic latching | May 4, 1992 | Issued |
| 07/877623 | LOW MASS DIRECT ACTING HYDRAULIC VALVE LIFTER | Apr 30, 1992 | Abandoned |
Array
(
[id] => 2915958
[patent_doc_number] => 05228417
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-07-20
[patent_title] => 'Valve timing control system of internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/875263
[patent_app_country] => US
[patent_app_date] => 1992-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 4741
[patent_no_of_claims] => 7
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[patent_words_short_claim] => 190
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/228/05228417.pdf
[firstpage_image] =>[orig_patent_app_number] => 875263
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/875263 | Valve timing control system of internal combustion engine | Apr 27, 1992 | Issued |
Array
(
[id] => 2880353
[patent_doc_number] => 05183015
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-02
[patent_title] => 'Valve operating apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/873362
[patent_app_country] => US
[patent_app_date] => 1992-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 8
[patent_no_of_words] => 2886
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 117
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/183/05183015.pdf
[firstpage_image] =>[orig_patent_app_number] => 873362
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/873362 | Valve operating apparatus | Apr 23, 1992 | Issued |
Array
(
[id] => 2873418
[patent_doc_number] => 05209194
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-05-11
[patent_title] => 'Variable valve timing apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/872392
[patent_app_country] => US
[patent_app_date] => 1992-04-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 10
[patent_no_of_words] => 7493
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 265
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/209/05209194.pdf
[firstpage_image] =>[orig_patent_app_number] => 872392
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/872392 | Variable valve timing apparatus | Apr 22, 1992 | Issued |
Array
(
[id] => 2764592
[patent_doc_number] => 05163391
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-17
[patent_title] => 'Wear resistant cast iron rocker arm and method of making same'
[patent_app_type] => 1
[patent_app_number] => 7/871480
[patent_app_country] => US
[patent_app_date] => 1992-04-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 10
[patent_no_of_words] => 4692
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 54
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/163/05163391.pdf
[firstpage_image] =>[orig_patent_app_number] => 871480
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/871480 | Wear resistant cast iron rocker arm and method of making same | Apr 20, 1992 | Issued |
Array
(
[id] => 2958718
[patent_doc_number] => 05251587
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-10-12
[patent_title] => 'Valve lifter for engine'
[patent_app_type] => 1
[patent_app_number] => 7/870598
[patent_app_country] => US
[patent_app_date] => 1992-04-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 23
[patent_no_of_words] => 4586
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/251/05251587.pdf
[firstpage_image] =>[orig_patent_app_number] => 870598
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/870598 | Valve lifter for engine | Apr 16, 1992 | Issued |
Array
(
[id] => 2976312
[patent_doc_number] => 05361735
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-11-08
[patent_title] => 'Belt driven variable camshaft timing system'
[patent_app_type] => 1
[patent_app_number] => 7/870437
[patent_app_country] => US
[patent_app_date] => 1992-04-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 16
[patent_no_of_words] => 5995
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 146
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/361/05361735.pdf
[firstpage_image] =>[orig_patent_app_number] => 870437
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/870437 | Belt driven variable camshaft timing system | Apr 15, 1992 | Issued |
Array
(
[id] => 2915976
[patent_doc_number] => 05228418
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-07-20
[patent_title] => 'Tappet for a valve in an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/868613
[patent_app_country] => US
[patent_app_date] => 1992-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 2245
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/228/05228418.pdf
[firstpage_image] =>[orig_patent_app_number] => 868613
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/868613 | Tappet for a valve in an internal combustion engine | Apr 13, 1992 | Issued |
Array
(
[id] => 2858618
[patent_doc_number] => 05158048
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-27
[patent_title] => 'Lost motion actuator'
[patent_app_type] => 1
[patent_app_number] => 7/862170
[patent_app_country] => US
[patent_app_date] => 1992-04-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 11
[patent_no_of_words] => 3437
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/158/05158048.pdf
[firstpage_image] =>[orig_patent_app_number] => 862170
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/862170 | Lost motion actuator | Apr 1, 1992 | Issued |
Array
(
[id] => 2880371
[patent_doc_number] => 05183016
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-02
[patent_title] => 'Hydraulic valve clearance compensator'
[patent_app_type] => 1
[patent_app_number] => 7/861745
[patent_app_country] => US
[patent_app_date] => 1992-04-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 2109
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/183/05183016.pdf
[firstpage_image] =>[orig_patent_app_number] => 861745
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/861745 | Hydraulic valve clearance compensator | Mar 31, 1992 | Issued |
Array
(
[id] => 2888261
[patent_doc_number] => 05215048
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-01
[patent_title] => 'Camshaft for multi-valve internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/852155
[patent_app_country] => US
[patent_app_date] => 1992-03-30
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 1599
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[pdf_file] => patents/05/215/05215048.pdf
[firstpage_image] =>[orig_patent_app_number] => 852155
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/852155 | Camshaft for multi-valve internal combustion engine | Mar 29, 1992 | Issued |
Array
(
[id] => 2922438
[patent_doc_number] => 05222465
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-29
[patent_title] => 'Valve timing control system for engine'
[patent_app_type] => 1
[patent_app_number] => 7/859019
[patent_app_country] => US
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[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/05/222/05222465.pdf
[firstpage_image] =>[orig_patent_app_number] => 859019
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/859019 | Valve timing control system for engine | Mar 29, 1992 | Issued |
Array
(
[id] => 2764556
[patent_doc_number] => 05163389
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-17
[patent_title] => 'Hydraulic valve lifter having function to stop valve drive'
[patent_app_type] => 1
[patent_app_number] => 7/858497
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[patent_app_date] => 1992-03-27
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/163/05163389.pdf
[firstpage_image] =>[orig_patent_app_number] => 858497
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/858497 | Hydraulic valve lifter having function to stop valve drive | Mar 26, 1992 | Issued |
Array
(
[id] => 2958700
[patent_doc_number] => 05251586
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-10-12
[patent_title] => 'Valve mechanism for an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/858674
[patent_app_country] => US
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[pdf_file] => patents/05/251/05251586.pdf
[firstpage_image] =>[orig_patent_app_number] => 858674
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/858674 | Valve mechanism for an internal combustion engine | Mar 26, 1992 | Issued |
Array
(
[id] => 2804981
[patent_doc_number] => 05168840
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-08
[patent_title] => 'Temperature compensated damping mechanism for hydraulic engine valve actuator'
[patent_app_type] => 1
[patent_app_number] => 7/857851
[patent_app_country] => US
[patent_app_date] => 1992-03-26
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/168/05168840.pdf
[firstpage_image] =>[orig_patent_app_number] => 857851
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/857851 | Temperature compensated damping mechanism for hydraulic engine valve actuator | Mar 25, 1992 | Issued |
Array
(
[id] => 2807929
[patent_doc_number] => 05172661
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-22
[patent_title] => 'Variable cam phasing device'
[patent_app_type] => 1
[patent_app_number] => 7/854152
[patent_app_country] => US
[patent_app_date] => 1992-03-20
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/172/05172661.pdf
[firstpage_image] =>[orig_patent_app_number] => 854152
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/854152 | Variable cam phasing device | Mar 19, 1992 | Issued |
Array
(
[id] => 2936456
[patent_doc_number] => 05220891
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-22
[patent_title] => 'Variable cam engine'
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[pdf_file] => patents/05/220/05220891.pdf
[firstpage_image] =>[orig_patent_app_number] => 852061
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/852061 | Variable cam engine | Mar 15, 1992 | Issued |
Array
(
[id] => 2919730
[patent_doc_number] => 05190000
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-02
[patent_title] => 'Rocker arm assembly'
[patent_app_type] => 1
[patent_app_number] => 7/851837
[patent_app_country] => US
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[pdf_file] => patents/05/190/05190000.pdf
[firstpage_image] =>[orig_patent_app_number] => 851837
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/851837 | Rocker arm assembly | Mar 15, 1992 | Issued |