
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] => 2648338
[patent_doc_number] => 04903651
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-27
[patent_title] => 'Rocker arm clearance removing device'
[patent_app_type] => 1
[patent_app_number] => 7/263457
[patent_app_country] => US
[patent_app_date] => 1988-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 2211
[patent_no_of_claims] => 2
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[patent_words_short_claim] => 207
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/903/04903651.pdf
[firstpage_image] =>[orig_patent_app_number] => 263457
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/263457 | Rocker arm clearance removing device | Oct 26, 1988 | Issued |
Array
(
[id] => 2512801
[patent_doc_number] => 04887565
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-12-19
[patent_title] => 'Internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/263276
[patent_app_country] => US
[patent_app_date] => 1988-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2253
[patent_no_of_claims] => 6
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[pdf_file] => patents/04/887/04887565.pdf
[firstpage_image] =>[orig_patent_app_number] => 263276
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/263276 | Internal combustion engine | Oct 26, 1988 | Issued |
Array
(
[id] => 2572666
[patent_doc_number] => 04917059
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-17
[patent_title] => 'Valve lash adjuster'
[patent_app_type] => 1
[patent_app_number] => 7/254815
[patent_app_country] => US
[patent_app_date] => 1988-10-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 3333
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[pdf_file] => patents/04/917/04917059.pdf
[firstpage_image] =>[orig_patent_app_number] => 254815
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/254815 | Valve lash adjuster | Oct 6, 1988 | Issued |
Array
(
[id] => 2472008
[patent_doc_number] => 04846121
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-07-11
[patent_title] => 'Variable friction roller tappets'
[patent_app_type] => 1
[patent_app_number] => 7/253517
[patent_app_country] => US
[patent_app_date] => 1988-10-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1274
[patent_no_of_claims] => 6
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[pdf_file] => patents/04/846/04846121.pdf
[firstpage_image] =>[orig_patent_app_number] => 253517
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/253517 | Variable friction roller tappets | Oct 4, 1988 | Issued |
Array
(
[id] => 2468391
[patent_doc_number] => 04858572
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-08-22
[patent_title] => 'Device for adjusting an angular phase difference between two elements'
[patent_app_type] => 1
[patent_app_number] => 7/252054
[patent_app_country] => US
[patent_app_date] => 1988-09-30
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 2613
[patent_no_of_claims] => 9
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[pdf_file] => patents/04/858/04858572.pdf
[firstpage_image] =>[orig_patent_app_number] => 252054
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/252054 | Device for adjusting an angular phase difference between two elements | Sep 29, 1988 | Issued |
Array
(
[id] => 2541379
[patent_doc_number] => 04848286
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-07-18
[patent_title] => 'Ceramic tiped pivot rod and method for its manufacture'
[patent_app_type] => 1
[patent_app_number] => 7/250069
[patent_app_country] => US
[patent_app_date] => 1988-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 3433
[patent_no_of_claims] => 14
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[pdf_file] => patents/04/848/04848286.pdf
[firstpage_image] =>[orig_patent_app_number] => 250069
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/250069 | Ceramic tiped pivot rod and method for its manufacture | Sep 27, 1988 | Issued |
Array
(
[id] => 2512745
[patent_doc_number] => 04887562
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-12-19
[patent_title] => 'Modular, self-contained hydraulic valve timing systems for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/250180
[patent_app_country] => US
[patent_app_date] => 1988-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2750
[patent_no_of_claims] => 11
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/887/04887562.pdf
[firstpage_image] =>[orig_patent_app_number] => 250180
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/250180 | Modular, self-contained hydraulic valve timing systems for internal combustion engines | Sep 27, 1988 | Issued |
Array
(
[id] => 2542005
[patent_doc_number] => 04856466
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-08-15
[patent_title] => 'Lubricant retaining finger-follower rocker arm'
[patent_app_type] => 1
[patent_app_number] => 7/250476
[patent_app_country] => US
[patent_app_date] => 1988-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 11
[patent_no_of_words] => 1358
[patent_no_of_claims] => 10
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[pdf_file] => patents/04/856/04856466.pdf
[firstpage_image] =>[orig_patent_app_number] => 250476
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/250476 | Lubricant retaining finger-follower rocker arm | Sep 27, 1988 | Issued |
Array
(
[id] => 2608814
[patent_doc_number] => RE033310
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-28
[patent_title] => 'Valve operating and interrupting mechanism for internal combustion engine'
[patent_app_type] => 2
[patent_app_number] => 7/248995
[patent_app_country] => US
[patent_app_date] => 1988-09-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/RE/033/RE033310.pdf
[firstpage_image] =>[orig_patent_app_number] => 248995
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/248995 | Valve operating and interrupting mechanism for internal combustion engine | Sep 22, 1988 | Issued |
Array
(
[id] => 2542058
[patent_doc_number] => 04856469
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-08-15
[patent_title] => 'Mechanical parts of valve driving mechanism for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/247639
[patent_app_country] => US
[patent_app_date] => 1988-09-22
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/856/04856469.pdf
[firstpage_image] =>[orig_patent_app_number] => 247639
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/247639 | Mechanical parts of valve driving mechanism for internal combustion engine | Sep 21, 1988 | Issued |
Array
(
[id] => 2572610
[patent_doc_number] => 04917056
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-17
[patent_title] => 'Valve operation control system in internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/247952
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/917/04917056.pdf
[firstpage_image] =>[orig_patent_app_number] => 247952
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/247952 | Valve operation control system in internal combustion engine | Sep 21, 1988 | Issued |
Array
(
[id] => 2549102
[patent_doc_number] => 04899701
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-13
[patent_title] => 'Valve operation control device for internal combustion engine'
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[patent_app_country] => US
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[firstpage_image] =>[orig_patent_app_number] => 247153
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/247153 | Valve operation control device for internal combustion engine | Sep 20, 1988 | Issued |
Array
(
[id] => 2622294
[patent_doc_number] => 04898129
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-06
[patent_title] => 'Valve control of internal combustion engines by means of a cam-driven rotary piston pump'
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[patent_app_number] => 7/237227
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[firstpage_image] =>[orig_patent_app_number] => 237227
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Array
(
[id] => 2541504
[patent_doc_number] => 04896633
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-01-30
[patent_title] => 'Valve control of internal combustion engines by means of a rotary piston pump with unequal pumping output'
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[pdf_file] => patents/04/896/04896633.pdf
[firstpage_image] =>[orig_patent_app_number] => 237226
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Array
(
[id] => 2507889
[patent_doc_number] => 04879978
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-11-14
[patent_title] => 'Poppet valve spring retainer'
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[firstpage_image] =>[orig_patent_app_number] => 236553
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/236553 | Poppet valve spring retainer | Aug 24, 1988 | Issued |
Array
(
[id] => 2496277
[patent_doc_number] => 04862841
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[patent_title] => 'Internal combustion engine'
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[pdf_file] => patents/04/862/04862841.pdf
[firstpage_image] =>[orig_patent_app_number] => 235549
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Array
(
[id] => 2470209
[patent_doc_number] => 04841924
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-06-27
[patent_title] => 'Sealed camshaft phase change device'
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[patent_app_country] => US
[patent_app_date] => 1988-08-18
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[pdf_file] => patents/04/841/04841924.pdf
[firstpage_image] =>[orig_patent_app_number] => 233703
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/233703 | Sealed camshaft phase change device | Aug 17, 1988 | Issued |
Array
(
[id] => 2463017
[patent_doc_number] => 04864983
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-09-12
[patent_title] => 'Pushrod retainer'
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[firstpage_image] =>[orig_patent_app_number] => 233296
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Array
(
[id] => 2620111
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[firstpage_image] =>[orig_patent_app_number] => 223436
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/223436 | Valve control system for engines | Jul 24, 1988 | Issued |
Array
(
[id] => 2509432
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[patent_issue_date] => 1989-10-10
[patent_title] => 'Method of making low friction finger follower rocker arms'
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[pdf_file] => patents/04/872/04872429.pdf
[firstpage_image] =>[orig_patent_app_number] => 220714
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/220714 | Method of making low friction finger follower rocker arms | Jul 17, 1988 | Issued |