
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] => 2762455
[patent_doc_number] => 05150671
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-09-29
[patent_title] => 'Intake- and/or exhaust-valve timing control system for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/784765
[patent_app_country] => US
[patent_app_date] => 1991-10-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 4726
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/150/05150671.pdf
[firstpage_image] =>[orig_patent_app_number] => 784765
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/784765 | Intake- and/or exhaust-valve timing control system for internal combustion engines | Oct 29, 1991 | Issued |
Array
(
[id] => 2864331
[patent_doc_number] => 05184580
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-09
[patent_title] => 'Timing system for an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/784180
[patent_app_country] => US
[patent_app_date] => 1991-10-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2238
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 293
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/184/05184580.pdf
[firstpage_image] =>[orig_patent_app_number] => 784180
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/784180 | Timing system for an internal combustion engine | Oct 29, 1991 | Issued |
Array
(
[id] => 2851794
[patent_doc_number] => 05161493
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-10
[patent_title] => 'Phase change mechanism'
[patent_app_type] => 1
[patent_app_number] => 7/775947
[patent_app_country] => US
[patent_app_date] => 1991-10-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 4180
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 270
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/161/05161493.pdf
[firstpage_image] =>[orig_patent_app_number] => 775947
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/775947 | Phase change mechanism | Oct 24, 1991 | Issued |
Array
(
[id] => 2783836
[patent_doc_number] => 05123384
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-23
[patent_title] => 'Pedestal-mounted rocker arm with bushing'
[patent_app_type] => 1
[patent_app_number] => 7/780043
[patent_app_country] => US
[patent_app_date] => 1991-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 1748
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 98
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/123/05123384.pdf
[firstpage_image] =>[orig_patent_app_number] => 780043
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/780043 | Pedestal-mounted rocker arm with bushing | Oct 20, 1991 | Issued |
Array
(
[id] => 2849746
[patent_doc_number] => 05152263
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-06
[patent_title] => 'Bearing and retention apparatus for a camshaft phase change device'
[patent_app_type] => 1
[patent_app_number] => 7/775670
[patent_app_country] => US
[patent_app_date] => 1991-10-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2166
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 53
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/152/05152263.pdf
[firstpage_image] =>[orig_patent_app_number] => 775670
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/775670 | Bearing and retention apparatus for a camshaft phase change device | Oct 10, 1991 | Issued |
Array
(
[id] => 2914823
[patent_doc_number] => 05195472
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-23
[patent_title] => 'Cylinder head'
[patent_app_type] => 1
[patent_app_number] => 7/773339
[patent_app_country] => US
[patent_app_date] => 1991-10-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2100
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 379
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/195/05195472.pdf
[firstpage_image] =>[orig_patent_app_number] => 773339
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/773339 | Cylinder head | Oct 7, 1991 | Issued |
Array
(
[id] => 2824798
[patent_doc_number] => 05159905
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-03
[patent_title] => 'Variable cam engine'
[patent_app_type] => 1
[patent_app_number] => 7/767335
[patent_app_country] => US
[patent_app_date] => 1991-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 3415
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 176
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/159/05159905.pdf
[firstpage_image] =>[orig_patent_app_number] => 767335
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/767335 | Variable cam engine | Sep 29, 1991 | Issued |
Array
(
[id] => 2833192
[patent_doc_number] => 05125373
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-30
[patent_title] => 'Oil passage structure for rocker-arm shaft for internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/765124
[patent_app_country] => US
[patent_app_date] => 1991-09-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2099
[patent_no_of_claims] => 6
[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/05/125/05125373.pdf
[firstpage_image] =>[orig_patent_app_number] => 765124
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/765124 | Oil passage structure for rocker-arm shaft for internal combustion engine | Sep 24, 1991 | Issued |
Array
(
[id] => 2959962
[patent_doc_number] => 05203289
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-20
[patent_title] => 'Variable timing mechanism'
[patent_app_type] => 1
[patent_app_number] => 7/763908
[patent_app_country] => US
[patent_app_date] => 1991-09-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 31
[patent_no_of_words] => 4539
[patent_no_of_claims] => 35
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 192
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/203/05203289.pdf
[firstpage_image] =>[orig_patent_app_number] => 763908
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763908 | Variable timing mechanism | Sep 22, 1991 | Issued |
Array
(
[id] => 2807891
[patent_doc_number] => 05172659
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-22
[patent_title] => 'Differential pressure control system for variable camshaft timing system'
[patent_app_type] => 1
[patent_app_number] => 7/763514
[patent_app_country] => US
[patent_app_date] => 1991-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 21
[patent_no_of_words] => 6147
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 532
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/172/05172659.pdf
[firstpage_image] =>[orig_patent_app_number] => 763514
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763514 | Differential pressure control system for variable camshaft timing system | Sep 19, 1991 | Issued |
Array
(
[id] => 2907989
[patent_doc_number] => 05186128
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-16
[patent_title] => 'Valve operating apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/762021
[patent_app_country] => US
[patent_app_date] => 1991-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
[patent_figures_cnt] => 46
[patent_no_of_words] => 12634
[patent_no_of_claims] => 68
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/186/05186128.pdf
[firstpage_image] =>[orig_patent_app_number] => 762021
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/762021 | Valve operating apparatus | Sep 17, 1991 | Issued |
Array
(
[id] => 2767478
[patent_doc_number] => 05129371
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-07-14
[patent_title] => 'Cam cover oil separator for crankcase ventilation'
[patent_app_type] => 1
[patent_app_number] => 7/754511
[patent_app_country] => US
[patent_app_date] => 1991-09-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 2833
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 199
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/129/05129371.pdf
[firstpage_image] =>[orig_patent_app_number] => 754511
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/754511 | Cam cover oil separator for crankcase ventilation | Sep 2, 1991 | Issued |
Array
(
[id] => 2974031
[patent_doc_number] => 05365894
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-11-22
[patent_title] => 'Valve actuation device'
[patent_app_type] => 1
[patent_app_number] => 7/980797
[patent_app_country] => US
[patent_app_date] => 1991-09-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 2295
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 290
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/365/05365894.pdf
[firstpage_image] =>[orig_patent_app_number] => 980797
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/980797 | Valve actuation device | Sep 2, 1991 | Issued |
Array
(
[id] => 2767702
[patent_doc_number] => 05154146
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-13
[patent_title] => 'Composite valve-train pushrod'
[patent_app_type] => 1
[patent_app_number] => 7/753130
[patent_app_country] => US
[patent_app_date] => 1991-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 2639
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[patent_words_short_claim] => 164
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/154/05154146.pdf
[firstpage_image] =>[orig_patent_app_number] => 753130
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/753130 | Composite valve-train pushrod | Aug 29, 1991 | Issued |
Array
(
[id] => 2898066
[patent_doc_number] => 05178105
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-12
[patent_title] => 'Valve gear for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/748624
[patent_app_country] => US
[patent_app_date] => 1991-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 38
[patent_no_of_words] => 5629
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/178/05178105.pdf
[firstpage_image] =>[orig_patent_app_number] => 748624
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/748624 | Valve gear for internal combustion engines | Aug 21, 1991 | Issued |
Array
(
[id] => 2860528
[patent_doc_number] => 05107806
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-28
[patent_title] => 'Hydraulic valve-clearance compensating element for internal combustion engines'
[patent_app_type] => 1
[patent_app_number] => 7/748272
[patent_app_country] => US
[patent_app_date] => 1991-08-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1955
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 121
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/107/05107806.pdf
[firstpage_image] =>[orig_patent_app_number] => 748272
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/748272 | Hydraulic valve-clearance compensating element for internal combustion engines | Aug 20, 1991 | Issued |
Array
(
[id] => 2768152
[patent_doc_number] => 05099807
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-31
[patent_title] => 'Preloaded axle stake for roller follower'
[patent_app_type] => 1
[patent_app_number] => 7/744187
[patent_app_country] => US
[patent_app_date] => 1991-08-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 1368
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 28
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/099/05099807.pdf
[firstpage_image] =>[orig_patent_app_number] => 744187
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/744187 | Preloaded axle stake for roller follower | Aug 13, 1991 | Issued |
Array
(
[id] => 2832669
[patent_doc_number] => 05088455
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-02-18
[patent_title] => 'Roller valve lifter anti-rotation guide'
[patent_app_type] => 1
[patent_app_number] => 7/743901
[patent_app_country] => US
[patent_app_date] => 1991-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/088/05088455.pdf
[firstpage_image] =>[orig_patent_app_number] => 743901
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/743901 | Roller valve lifter anti-rotation guide | Aug 11, 1991 | Issued |
Array
(
[id] => 2859797
[patent_doc_number] => 05117787
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-02
[patent_title] => 'Self-adjusting hydraulic valve tappet'
[patent_app_type] => 1
[patent_app_number] => 7/741644
[patent_app_country] => US
[patent_app_date] => 1991-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 1892
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/117/05117787.pdf
[firstpage_image] =>[orig_patent_app_number] => 741644
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/741644 | Self-adjusting hydraulic valve tappet | Aug 6, 1991 | Issued |
Array
(
[id] => 2821398
[patent_doc_number] => 05170756
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-15
[patent_title] => 'Arrangement for changing the relative rotating position of shafts in an internal-combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/735005
[patent_app_country] => US
[patent_app_date] => 1991-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 4276
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/170/05170756.pdf
[firstpage_image] =>[orig_patent_app_number] => 735005
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/735005 | Arrangement for changing the relative rotating position of shafts in an internal-combustion engine | Jul 24, 1991 | Issued |