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
08/107775 ENGINE VALVE SEATING VELOCITY HYDRAULIC SNUBBER Dec 30, 1991 Abandoned
Array ( [id] => 2914805 [patent_doc_number] => 05195471 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Valve timing control system of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/811029 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 6705 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195471.pdf [firstpage_image] =>[orig_patent_app_number] => 811029 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811029
Valve timing control system of internal combustion engine Dec 19, 1991 Issued
Array ( [id] => 2939879 [patent_doc_number] => 05197420 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Camshaft adjuster and tensioner' [patent_app_type] => 1 [patent_app_number] => 7/808514 [patent_app_country] => US [patent_app_date] => 1991-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1892 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/197/05197420.pdf [firstpage_image] =>[orig_patent_app_number] => 808514 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/808514
Camshaft adjuster and tensioner Dec 15, 1991 Issued
Array ( [id] => 2767511 [patent_doc_number] => 05129373 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Self-contained hydraulic lash adjuster with pressurizing diaphragm' [patent_app_type] => 1 [patent_app_number] => 7/807918 [patent_app_country] => US [patent_app_date] => 1991-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2293 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/129/05129373.pdf [firstpage_image] =>[orig_patent_app_number] => 807918 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/807918
Self-contained hydraulic lash adjuster with pressurizing diaphragm Dec 15, 1991 Issued
Array ( [id] => 2813120 [patent_doc_number] => 05174253 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-29 [patent_title] => 'Apparatus for shifting phase between shafts in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/806762 [patent_app_country] => US [patent_app_date] => 1991-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5249 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/174/05174253.pdf [firstpage_image] =>[orig_patent_app_number] => 806762 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/806762
Apparatus for shifting phase between shafts in internal combustion engine Dec 12, 1991 Issued
Array ( [id] => 2824839 [patent_doc_number] => 05159907 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Hydraulic valve lifter' [patent_app_type] => 1 [patent_app_number] => 7/803270 [patent_app_country] => US [patent_app_date] => 1991-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1954 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159907.pdf [firstpage_image] =>[orig_patent_app_number] => 803270 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/803270
Hydraulic valve lifter Dec 2, 1991 Issued
Array ( [id] => 2881308 [patent_doc_number] => 05216989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Apparatus for driving various devices by internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/800355 [patent_app_country] => US [patent_app_date] => 1991-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3275 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/216/05216989.pdf [firstpage_image] =>[orig_patent_app_number] => 800355 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/800355
Apparatus for driving various devices by internal combustion engine Dec 1, 1991 Issued
Array ( [id] => 3585985 [patent_doc_number] => 05577468 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-26 [patent_title] => 'Engine valve seating velocity hydraulic snubber' [patent_app_type] => 1 [patent_app_number] => 8/244338 [patent_app_country] => US [patent_app_date] => 1991-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3267 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/577/05577468.pdf [firstpage_image] =>[orig_patent_app_number] => 244338 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/244338
Engine valve seating velocity hydraulic snubber Nov 28, 1991 Issued
Array ( [id] => 2914786 [patent_doc_number] => 05195470 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Variable cam engine' [patent_app_type] => 1 [patent_app_number] => 7/797945 [patent_app_country] => US [patent_app_date] => 1991-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 4035 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195470.pdf [firstpage_image] =>[orig_patent_app_number] => 797945 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/797945
Variable cam engine Nov 25, 1991 Issued
Array ( [id] => 2777607 [patent_doc_number] => 05143037 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Variable cam engine' [patent_app_type] => 1 [patent_app_number] => 7/797950 [patent_app_country] => US [patent_app_date] => 1991-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 4200 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/143/05143037.pdf [firstpage_image] =>[orig_patent_app_number] => 797950 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/797950
Variable cam engine Nov 25, 1991 Issued
Array ( [id] => 2873400 [patent_doc_number] => 05209193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Intake- and/or exhaust-valve timing control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/796478 [patent_app_country] => US [patent_app_date] => 1991-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3268 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/209/05209193.pdf [firstpage_image] =>[orig_patent_app_number] => 796478 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/796478
Intake- and/or exhaust-valve timing control system for internal combustion engines Nov 21, 1991 Issued
Array ( [id] => 2777473 [patent_doc_number] => 05143030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Variable cam engine' [patent_app_type] => 1 [patent_app_number] => 7/795850 [patent_app_country] => US [patent_app_date] => 1991-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4386 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/143/05143030.pdf [firstpage_image] =>[orig_patent_app_number] => 795850 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/795850
Variable cam engine Nov 20, 1991 Issued
Array ( [id] => 2811686 [patent_doc_number] => 05127374 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Valve lifter' [patent_app_type] => 1 [patent_app_number] => 7/796705 [patent_app_country] => US [patent_app_date] => 1991-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3473 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/127/05127374.pdf [firstpage_image] =>[orig_patent_app_number] => 796705 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/796705
Valve lifter Nov 20, 1991 Issued
Array ( [id] => 2898799 [patent_doc_number] => 05205248 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Intake- and/or exhaust-valve timing control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/792358 [patent_app_country] => US [patent_app_date] => 1991-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4999 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/205/05205248.pdf [firstpage_image] =>[orig_patent_app_number] => 792358 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/792358
Intake- and/or exhaust-valve timing control system for internal combustion engines Nov 13, 1991 Issued
Array ( [id] => 2767532 [patent_doc_number] => 05129374 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Hydraulic tappet' [patent_app_type] => 1 [patent_app_number] => 7/773552 [patent_app_country] => US [patent_app_date] => 1991-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1496 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/129/05129374.pdf [firstpage_image] =>[orig_patent_app_number] => 773552 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/773552
Hydraulic tappet Nov 12, 1991 Issued
Array ( [id] => 2785761 [patent_doc_number] => 05144921 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Valve-controlled internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/790569 [patent_app_country] => US [patent_app_date] => 1991-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1692 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/144/05144921.pdf [firstpage_image] =>[orig_patent_app_number] => 790569 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/790569
Valve-controlled internal combustion engine Nov 11, 1991 Issued
Array ( [id] => 2879617 [patent_doc_number] => 05271360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-21 [patent_title] => 'Valve opening and closing timing control apparatus' [patent_app_type] => 1 [patent_app_number] => 7/789681 [patent_app_country] => US [patent_app_date] => 1991-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4199 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/271/05271360.pdf [firstpage_image] =>[orig_patent_app_number] => 789681 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/789681
Valve opening and closing timing control apparatus Nov 7, 1991 Issued
Array ( [id] => 2849709 [patent_doc_number] => 05152261 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Variable camshaft timing system utilizing changes in length of portions of a chain or belt' [patent_app_type] => 1 [patent_app_number] => 7/790619 [patent_app_country] => US [patent_app_date] => 1991-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4421 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/152/05152261.pdf [firstpage_image] =>[orig_patent_app_number] => 790619 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/790619
Variable camshaft timing system utilizing changes in length of portions of a chain or belt Nov 6, 1991 Issued
Array ( [id] => 2967699 [patent_doc_number] => 05211141 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Drive arrangement for a camshaft fitted in the cylinder head of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/784424 [patent_app_country] => US [patent_app_date] => 1991-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1287 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/211/05211141.pdf [firstpage_image] =>[orig_patent_app_number] => 784424 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/784424
Drive arrangement for a camshaft fitted in the cylinder head of an internal combustion engine Nov 5, 1991 Issued
Array ( [id] => 2849838 [patent_doc_number] => 05152267 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Variable cam engine' [patent_app_type] => 1 [patent_app_number] => 7/785339 [patent_app_country] => US [patent_app_date] => 1991-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3996 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/152/05152267.pdf [firstpage_image] =>[orig_patent_app_number] => 785339 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/785339
Variable cam engine Oct 31, 1991 Issued
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