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] => 2914866 [patent_doc_number] => 05195474 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Oil supply system in internal conbustion engine' [patent_app_type] => 1 [patent_app_number] => 7/850613 [patent_app_country] => US [patent_app_date] => 1992-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4481 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195474.pdf [firstpage_image] =>[orig_patent_app_number] => 850613 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850613
Oil supply system in internal conbustion engine Mar 12, 1992 Issued
Array ( [id] => 2851874 [patent_doc_number] => 05161497 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-10 [patent_title] => 'Variable valve timing operated engine' [patent_app_type] => 1 [patent_app_number] => 7/850471 [patent_app_country] => US [patent_app_date] => 1992-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1797 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/161/05161497.pdf [firstpage_image] =>[orig_patent_app_number] => 850471 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850471
Variable valve timing operated engine Mar 10, 1992 Issued
Array ( [id] => 2876715 [patent_doc_number] => 05243935 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-14 [patent_title] => 'Valve opening and closing timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 7/846929 [patent_app_country] => US [patent_app_date] => 1992-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3614 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/243/05243935.pdf [firstpage_image] =>[orig_patent_app_number] => 846929 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/846929
Valve opening and closing timing control apparatus Mar 5, 1992 Issued
Array ( [id] => 2821380 [patent_doc_number] => 05170755 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-15 [patent_title] => 'Valve opening and closing timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 7/846938 [patent_app_country] => US [patent_app_date] => 1992-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3616 [patent_no_of_claims] => 3 [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/05/170/05170755.pdf [firstpage_image] =>[orig_patent_app_number] => 846938 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/846938
Valve opening and closing timing control apparatus Mar 5, 1992 Issued
Array ( [id] => 2919705 [patent_doc_number] => 05189999 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Device for adjusting the relative angle of rotation of a shaft to a drive wheel, especially the camshaft of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/838196 [patent_app_country] => US [patent_app_date] => 1992-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2915 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/189/05189999.pdf [firstpage_image] =>[orig_patent_app_number] => 838196 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/838196
Device for adjusting the relative angle of rotation of a shaft to a drive wheel, especially the camshaft of an internal combustion engine Mar 5, 1992 Issued
Array ( [id] => 2872067 [patent_doc_number] => 05269270 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-14 [patent_title] => 'Four-stroke cycle internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/846920 [patent_app_country] => US [patent_app_date] => 1992-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 3597 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/269/05269270.pdf [firstpage_image] =>[orig_patent_app_number] => 846920 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/846920
Four-stroke cycle internal-combustion engine Mar 5, 1992 Issued
Array ( [id] => 2762474 [patent_doc_number] => 05150672 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-29 [patent_title] => 'Cylinder head of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/846045 [patent_app_country] => US [patent_app_date] => 1992-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 851 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/150/05150672.pdf [firstpage_image] =>[orig_patent_app_number] => 846045 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/846045
Cylinder head of an internal combustion engine Mar 4, 1992 Issued
Array ( [id] => 3002200 [patent_doc_number] => 05287829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Fluid actuators' [patent_app_type] => 1 [patent_app_number] => 7/835911 [patent_app_country] => US [patent_app_date] => 1992-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 37 [patent_no_of_words] => 6946 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/287/05287829.pdf [firstpage_image] =>[orig_patent_app_number] => 835911 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/835911
Fluid actuators Feb 25, 1992 Issued
Array ( [id] => 2807873 [patent_doc_number] => 05172658 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Camshaft phase change device' [patent_app_type] => 1 [patent_app_number] => 7/840234 [patent_app_country] => US [patent_app_date] => 1992-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4901 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/172/05172658.pdf [firstpage_image] =>[orig_patent_app_number] => 840234 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/840234
Camshaft phase change device Feb 23, 1992 Issued
Array ( [id] => 2807911 [patent_doc_number] => 05172660 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Camshaft phase change device' [patent_app_type] => 1 [patent_app_number] => 7/840233 [patent_app_country] => US [patent_app_date] => 1992-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4869 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/172/05172660.pdf [firstpage_image] =>[orig_patent_app_number] => 840233 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/840233
Camshaft phase change device Feb 23, 1992 Issued
Array ( [id] => 2807947 [patent_doc_number] => 05172662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Camshaft phase change device' [patent_app_type] => 1 [patent_app_number] => 7/840258 [patent_app_country] => US [patent_app_date] => 1992-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4876 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/172/05172662.pdf [firstpage_image] =>[orig_patent_app_number] => 840258 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/840258
Camshaft phase change device Feb 23, 1992 Issued
Array ( [id] => 2864315 [patent_doc_number] => 05184579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Cylinder head structure of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/835128 [patent_app_country] => US [patent_app_date] => 1992-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2901 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 587 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/184/05184579.pdf [firstpage_image] =>[orig_patent_app_number] => 835128 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/835128
Cylinder head structure of internal combustion engine Feb 11, 1992 Issued
Array ( [id] => 2939861 [patent_doc_number] => 05197419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Internal combustion engine hydraulic actuated and variable valve timing device' [patent_app_type] => 1 [patent_app_number] => 7/829446 [patent_app_country] => US [patent_app_date] => 1992-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3654 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/197/05197419.pdf [firstpage_image] =>[orig_patent_app_number] => 829446 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/829446
Internal combustion engine hydraulic actuated and variable valve timing device Feb 2, 1992 Issued
Array ( [id] => 2858635 [patent_doc_number] => 05158049 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-27 [patent_title] => 'Control arrangement for cylinder valves of an internal combustion engine having a deactivatable cam' [patent_app_type] => 1 [patent_app_number] => 7/830179 [patent_app_country] => US [patent_app_date] => 1992-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2177 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/158/05158049.pdf [firstpage_image] =>[orig_patent_app_number] => 830179 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/830179
Control arrangement for cylinder valves of an internal combustion engine having a deactivatable cam Jan 30, 1992 Issued
Array ( [id] => 2851930 [patent_doc_number] => 05161500 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-10 [patent_title] => 'Outlet valve lifter for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/827799 [patent_app_country] => US [patent_app_date] => 1992-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3070 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 585 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/161/05161500.pdf [firstpage_image] =>[orig_patent_app_number] => 827799 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/827799
Outlet valve lifter for an internal combustion engine Jan 28, 1992 Issued
Array ( [id] => 2767684 [patent_doc_number] => 05154145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Push rod apparatus' [patent_app_type] => 1 [patent_app_number] => 7/826051 [patent_app_country] => US [patent_app_date] => 1992-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 14 [patent_no_of_words] => 2212 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/154/05154145.pdf [firstpage_image] =>[orig_patent_app_number] => 826051 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/826051
Push rod apparatus Jan 26, 1992 Issued
Array ( [id] => 2954026 [patent_doc_number] => 05193496 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Variable action arrangement for a lift valve' [patent_app_type] => 1 [patent_app_number] => 7/825526 [patent_app_country] => US [patent_app_date] => 1992-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2964 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/193/05193496.pdf [firstpage_image] =>[orig_patent_app_number] => 825526 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/825526
Variable action arrangement for a lift valve Jan 23, 1992 Issued
Array ( [id] => 2807967 [patent_doc_number] => 05172663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Valve gear lubricating device of engine' [patent_app_type] => 1 [patent_app_number] => 7/821695 [patent_app_country] => US [patent_app_date] => 1992-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3238 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/172/05172663.pdf [firstpage_image] =>[orig_patent_app_number] => 821695 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/821695
Valve gear lubricating device of engine Jan 15, 1992 Issued
Array ( [id] => 2851813 [patent_doc_number] => 05161494 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-10 [patent_title] => 'Electromagnetic valve actuator' [patent_app_type] => 1 [patent_app_number] => 7/820792 [patent_app_country] => US [patent_app_date] => 1992-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2907 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/161/05161494.pdf [firstpage_image] =>[orig_patent_app_number] => 820792 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/820792
Electromagnetic valve actuator Jan 14, 1992 Issued
Array ( [id] => 2864367 [patent_doc_number] => 05184582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Engine unit for vehicle' [patent_app_type] => 1 [patent_app_number] => 7/818839 [patent_app_country] => US [patent_app_date] => 1992-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5481 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/184/05184582.pdf [firstpage_image] =>[orig_patent_app_number] => 818839 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/818839
Engine unit for vehicle Jan 9, 1992 Issued
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