Search

Weilun Lo

Supervisory Patent Examiner (ID: 6938, Phone: (571)272-4847 , Office: P/2179 )

Most Active Art Unit
3402
Art Unit(s)
3402, 3723, 2179, 3747, 3748, 3761, 2899
Total Applications
2327
Issued Applications
2049
Pending Applications
47
Abandoned Applications
231

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4399944 [patent_doc_number] => 06192841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Device to limit valve seating velocities in limited lost motion tappets' [patent_app_type] => 1 [patent_app_number] => 9/196314 [patent_app_country] => US [patent_app_date] => 1998-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6004 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/192/06192841.pdf [firstpage_image] =>[orig_patent_app_number] => 196314 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/196314
Device to limit valve seating velocities in limited lost motion tappets Nov 19, 1998 Issued
Array ( [id] => 4156748 [patent_doc_number] => 06035817 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Variable valve timing mechanism for engine' [patent_app_type] => 1 [patent_app_number] => 9/195356 [patent_app_country] => US [patent_app_date] => 1998-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4172 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/035/06035817.pdf [firstpage_image] =>[orig_patent_app_number] => 195356 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/195356
Variable valve timing mechanism for engine Nov 18, 1998 Issued
Array ( [id] => 4088631 [patent_doc_number] => 06055951 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'Cam follower of a valve train of an internal combustion engine in the form of a finger lever or a rocker arm' [patent_app_type] => 1 [patent_app_number] => 9/194006 [patent_app_country] => US [patent_app_date] => 1998-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1871 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055951.pdf [firstpage_image] =>[orig_patent_app_number] => 194006 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/194006
Cam follower of a valve train of an internal combustion engine in the form of a finger lever or a rocker arm Nov 15, 1998 Issued
Array ( [id] => 4222336 [patent_doc_number] => 06135078 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-24 [patent_title] => 'Variable valve timing control apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/190221 [patent_app_country] => US [patent_app_date] => 1998-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2641 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/135/06135078.pdf [firstpage_image] =>[orig_patent_app_number] => 190221 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/190221
Variable valve timing control apparatus for an internal combustion engine Nov 12, 1998 Issued
Array ( [id] => 4110175 [patent_doc_number] => 06032630 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Valve lifter' [patent_app_type] => 1 [patent_app_number] => 9/190282 [patent_app_country] => US [patent_app_date] => 1998-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3181 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/032/06032630.pdf [firstpage_image] =>[orig_patent_app_number] => 190282 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/190282
Valve lifter Nov 12, 1998 Issued
Array ( [id] => 4066956 [patent_doc_number] => 06024062 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-15 [patent_title] => 'Hydraulic apparatus for adjusting the timing of opening and closing of an engine valve' [patent_app_type] => 1 [patent_app_number] => 9/189978 [patent_app_country] => US [patent_app_date] => 1998-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 24 [patent_no_of_words] => 10175 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 406 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/024/06024062.pdf [firstpage_image] =>[orig_patent_app_number] => 189978 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/189978
Hydraulic apparatus for adjusting the timing of opening and closing of an engine valve Nov 11, 1998 Issued
Array ( [id] => 4340771 [patent_doc_number] => 06173687 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Hydraulic apparatus for adjusting the timing of opening and closing of an engine valve' [patent_app_type] => 1 [patent_app_number] => 9/189979 [patent_app_country] => US [patent_app_date] => 1998-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 6044 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/173/06173687.pdf [firstpage_image] =>[orig_patent_app_number] => 189979 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/189979
Hydraulic apparatus for adjusting the timing of opening and closing of an engine valve Nov 11, 1998 Issued
Array ( [id] => 4081460 [patent_doc_number] => 06047675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-11 [patent_title] => 'Retainer clip and valve actuator subassembly' [patent_app_type] => 1 [patent_app_number] => 9/189873 [patent_app_country] => US [patent_app_date] => 1998-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 2844 [patent_no_of_claims] => 21 [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/06/047/06047675.pdf [firstpage_image] =>[orig_patent_app_number] => 189873 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/189873
Retainer clip and valve actuator subassembly Nov 9, 1998 Issued
Array ( [id] => 4186258 [patent_doc_number] => 06076491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Valve control mechanism' [patent_app_type] => 1 [patent_app_number] => 9/246005 [patent_app_country] => US [patent_app_date] => 1998-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8080 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/076/06076491.pdf [firstpage_image] =>[orig_patent_app_number] => 246005 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/246005
Valve control mechanism Nov 5, 1998 Issued
Array ( [id] => 4222322 [patent_doc_number] => 06135077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-24 [patent_title] => 'Valve timing changing apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/186667 [patent_app_country] => US [patent_app_date] => 1998-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 15759 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/135/06135077.pdf [firstpage_image] =>[orig_patent_app_number] => 186667 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/186667
Valve timing changing apparatus for internal combustion engine Nov 3, 1998 Issued
Array ( [id] => 4250024 [patent_doc_number] => 06321701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Lost motion valve actuation system' [patent_app_type] => 1 [patent_app_number] => 9/185600 [patent_app_country] => US [patent_app_date] => 1998-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6411 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/321/06321701.pdf [firstpage_image] =>[orig_patent_app_number] => 185600 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/185600
Lost motion valve actuation system Nov 3, 1998 Issued
Array ( [id] => 4341637 [patent_doc_number] => 06167852 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-02 [patent_title] => 'Vale opening and closing time detecting apparatus and method thereof for electromagnetically operated valve mechanism in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/185487 [patent_app_country] => US [patent_app_date] => 1998-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2798 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/167/06167852.pdf [firstpage_image] =>[orig_patent_app_number] => 185487 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/185487
Vale opening and closing time detecting apparatus and method thereof for electromagnetically operated valve mechanism in internal combustion engine Nov 2, 1998 Issued
Array ( [id] => 1469220 [patent_doc_number] => 06386159 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Valve timing system' [patent_app_type] => B1 [patent_app_number] => 09/171363 [patent_app_country] => US [patent_app_date] => 1998-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 1334 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/386/06386159.pdf [firstpage_image] =>[orig_patent_app_number] => 09171363 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/171363
Valve timing system Oct 29, 1998 Issued
Array ( [id] => 4200655 [patent_doc_number] => 06039016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-21 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/179895 [patent_app_country] => US [patent_app_date] => 1998-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3415 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/039/06039016.pdf [firstpage_image] =>[orig_patent_app_number] => 179895 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/179895
Valve timing control device Oct 27, 1998 Issued
Array ( [id] => 4122945 [patent_doc_number] => 06029618 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-29 [patent_title] => 'Variable valve actuation apparatus' [patent_app_type] => 1 [patent_app_number] => 9/179420 [patent_app_country] => US [patent_app_date] => 1998-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 6561 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/029/06029618.pdf [firstpage_image] =>[orig_patent_app_number] => 179420 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/179420
Variable valve actuation apparatus Oct 26, 1998 Issued
Array ( [id] => 4066913 [patent_doc_number] => 06024059 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-15 [patent_title] => 'Apparatus and method of controlling electromagnetic valve' [patent_app_type] => 1 [patent_app_number] => 9/178550 [patent_app_country] => US [patent_app_date] => 1998-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9741 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/024/06024059.pdf [firstpage_image] =>[orig_patent_app_number] => 178550 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/178550
Apparatus and method of controlling electromagnetic valve Oct 25, 1998 Issued
Array ( [id] => 4145380 [patent_doc_number] => 06138623 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-31 [patent_title] => 'Device for adjusting the phase angle of a camshaft' [patent_app_type] => 1 [patent_app_number] => 9/176879 [patent_app_country] => US [patent_app_date] => 1998-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3095 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/138/06138623.pdf [firstpage_image] =>[orig_patent_app_number] => 176879 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/176879
Device for adjusting the phase angle of a camshaft Oct 20, 1998 Issued
Array ( [id] => 4078571 [patent_doc_number] => 06098581 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Variable valve control for piston internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/173388 [patent_app_country] => US [patent_app_date] => 1998-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2703 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/098/06098581.pdf [firstpage_image] =>[orig_patent_app_number] => 173388 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/173388
Variable valve control for piston internal combustion engine Oct 14, 1998 Issued
Array ( [id] => 4205574 [patent_doc_number] => 06009842 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Fuel injection system for a multicylinder internal combustion engine with a fuel supply line serving as a high pressure storage device' [patent_app_type] => 1 [patent_app_number] => 9/173387 [patent_app_country] => US [patent_app_date] => 1998-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 2675 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/009/06009842.pdf [firstpage_image] =>[orig_patent_app_number] => 173387 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/173387
Fuel injection system for a multicylinder internal combustion engine with a fuel supply line serving as a high pressure storage device Oct 14, 1998 Issued
Array ( [id] => 4094911 [patent_doc_number] => 06044816 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Variable valve control for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/173390 [patent_app_country] => US [patent_app_date] => 1998-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2351 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/044/06044816.pdf [firstpage_image] =>[orig_patent_app_number] => 173390 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/173390
Variable valve control for an internal combustion engine Oct 14, 1998 Issued
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