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] => 4033317 [patent_doc_number] => 05908015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-01 [patent_title] => 'Arrangement for interrupting the flow of force between a camshaft and a valve' [patent_app_type] => 1 [patent_app_number] => 8/887562 [patent_app_country] => US [patent_app_date] => 1997-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3944 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/908/05908015.pdf [firstpage_image] =>[orig_patent_app_number] => 887562 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/887562
Arrangement for interrupting the flow of force between a camshaft and a valve Jul 2, 1997 Issued
Array ( [id] => 4027802 [patent_doc_number] => 05868110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'Crankcase for a piston machine' [patent_app_type] => 1 [patent_app_number] => 8/888079 [patent_app_country] => US [patent_app_date] => 1997-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3767 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/868/05868110.pdf [firstpage_image] =>[orig_patent_app_number] => 888079 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/888079
Crankcase for a piston machine Jul 2, 1997 Issued
Array ( [id] => 3946155 [patent_doc_number] => 05884599 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Engine with balancers for vehicle' [patent_app_type] => 1 [patent_app_number] => 8/887935 [patent_app_country] => US [patent_app_date] => 1997-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 8071 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/884/05884599.pdf [firstpage_image] =>[orig_patent_app_number] => 887935 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/887935
Engine with balancers for vehicle Jul 2, 1997 Issued
Array ( [id] => 3855807 [patent_doc_number] => 05803031 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Hydraulic actuator in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/886724 [patent_app_country] => US [patent_app_date] => 1997-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3562 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/803/05803031.pdf [firstpage_image] =>[orig_patent_app_number] => 886724 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/886724
Hydraulic actuator in an internal combustion engine Jun 30, 1997 Issued
Array ( [id] => 3807296 [patent_doc_number] => 05758612 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Valve actuating structure for multi-valve engine' [patent_app_type] => 1 [patent_app_number] => 8/885453 [patent_app_country] => US [patent_app_date] => 1997-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 28 [patent_no_of_words] => 12227 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/758/05758612.pdf [firstpage_image] =>[orig_patent_app_number] => 885453 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/885453
Valve actuating structure for multi-valve engine Jun 29, 1997 Issued
Array ( [id] => 4018847 [patent_doc_number] => 05855191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-05 [patent_title] => 'Metering valve for ball plunger or pushrod socket' [patent_app_type] => 1 [patent_app_number] => 8/880417 [patent_app_country] => US [patent_app_date] => 1997-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3259 [patent_no_of_claims] => 7 [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/05/855/05855191.pdf [firstpage_image] =>[orig_patent_app_number] => 880417 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/880417
Metering valve for ball plunger or pushrod socket Jun 22, 1997 Issued
Array ( [id] => 4030541 [patent_doc_number] => 05931124 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Valve timing for internal-combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/877855 [patent_app_country] => US [patent_app_date] => 1997-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2454 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931124.pdf [firstpage_image] =>[orig_patent_app_number] => 877855 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/877855
Valve timing for internal-combustion engines Jun 17, 1997 Issued
Array ( [id] => 3922524 [patent_doc_number] => 05870983 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Valve timing regulation apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 8/878001 [patent_app_country] => US [patent_app_date] => 1997-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 29 [patent_no_of_words] => 13742 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/870/05870983.pdf [firstpage_image] =>[orig_patent_app_number] => 878001 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/878001
Valve timing regulation apparatus for engine Jun 17, 1997 Issued
Array ( [id] => 3867967 [patent_doc_number] => 05797360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-25 [patent_title] => 'Method for controlling cylinder valve drives in a piston-type internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/874224 [patent_app_country] => US [patent_app_date] => 1997-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5636 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/797/05797360.pdf [firstpage_image] =>[orig_patent_app_number] => 874224 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/874224
Method for controlling cylinder valve drives in a piston-type internal combustion engine Jun 12, 1997 Issued
Array ( [id] => 3946051 [patent_doc_number] => 05884592 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Valve gear mechanism for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/849846 [patent_app_country] => US [patent_app_date] => 1997-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 25 [patent_no_of_words] => 4743 [patent_no_of_claims] => 18 [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/05/884/05884592.pdf [firstpage_image] =>[orig_patent_app_number] => 849846 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/849846
Valve gear mechanism for an internal combustion engine Jun 12, 1997 Issued
Array ( [id] => 3768206 [patent_doc_number] => 05839401 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-24 [patent_title] => 'Internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/874492 [patent_app_country] => US [patent_app_date] => 1997-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1654 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/839/05839401.pdf [firstpage_image] =>[orig_patent_app_number] => 874492 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/874492
Internal combustion engine Jun 11, 1997 Issued
Array ( [id] => 3878433 [patent_doc_number] => 05749340 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-12 [patent_title] => 'Hydraulic tappets' [patent_app_type] => 1 [patent_app_number] => 8/872769 [patent_app_country] => US [patent_app_date] => 1997-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3325 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/749/05749340.pdf [firstpage_image] =>[orig_patent_app_number] => 872769 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/872769
Hydraulic tappets Jun 10, 1997 Issued
Array ( [id] => 4027788 [patent_doc_number] => 05868109 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'Housing cover with compensating elements' [patent_app_type] => 1 [patent_app_number] => 8/871723 [patent_app_country] => US [patent_app_date] => 1997-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1437 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/868/05868109.pdf [firstpage_image] =>[orig_patent_app_number] => 871723 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/871723
Housing cover with compensating elements Jun 8, 1997 Issued
Array ( [id] => 3942584 [patent_doc_number] => 05899186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Internal combuston engine of small planing watercraft' [patent_app_type] => 1 [patent_app_number] => 8/868000 [patent_app_country] => US [patent_app_date] => 1997-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4154 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/899/05899186.pdf [firstpage_image] =>[orig_patent_app_number] => 868000 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/868000
Internal combuston engine of small planing watercraft Jun 2, 1997 Issued
Array ( [id] => 3827088 [patent_doc_number] => 05765517 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-16 [patent_title] => 'Device for continous angular adjustment between a camshaft and a crankshaft' [patent_app_type] => 1 [patent_app_number] => 8/868376 [patent_app_country] => US [patent_app_date] => 1997-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3557 [patent_no_of_claims] => 15 [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/05/765/05765517.pdf [firstpage_image] =>[orig_patent_app_number] => 868376 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/868376
Device for continous angular adjustment between a camshaft and a crankshaft Jun 2, 1997 Issued
Array ( [id] => 3746124 [patent_doc_number] => 05740769 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-21 [patent_title] => 'Method of adjusting a valve clearance' [patent_app_type] => 1 [patent_app_number] => 8/868451 [patent_app_country] => US [patent_app_date] => 1997-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3192 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/740/05740769.pdf [firstpage_image] =>[orig_patent_app_number] => 868451 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/868451
Method of adjusting a valve clearance Jun 2, 1997 Issued
Array ( [id] => 3766361 [patent_doc_number] => 05778533 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-14 [patent_title] => 'Method of producing a one-part cooling duct piston' [patent_app_type] => 1 [patent_app_number] => 8/849226 [patent_app_country] => US [patent_app_date] => 1997-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 820 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/778/05778533.pdf [firstpage_image] =>[orig_patent_app_number] => 849226 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/849226
Method of producing a one-part cooling duct piston May 29, 1997 Issued
Array ( [id] => 3787792 [patent_doc_number] => 05809950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-22 [patent_title] => 'Hydraulic valve control arrangement' [patent_app_type] => 1 [patent_app_number] => 8/866513 [patent_app_country] => US [patent_app_date] => 1997-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5739 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/809/05809950.pdf [firstpage_image] =>[orig_patent_app_number] => 866513 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/866513
Hydraulic valve control arrangement May 29, 1997 Issued
Array ( [id] => 3821498 [patent_doc_number] => 05743223 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Bucket tappet guide' [patent_app_type] => 1 [patent_app_number] => 8/863859 [patent_app_country] => US [patent_app_date] => 1997-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 932 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/743/05743223.pdf [firstpage_image] =>[orig_patent_app_number] => 863859 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/863859
Bucket tappet guide May 26, 1997 Issued
Array ( [id] => 3860576 [patent_doc_number] => 05727509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-17 [patent_title] => 'Cam follower in the form of a tappet or a lever having a hydraulic valve clearance compensation element' [patent_app_type] => 1 [patent_app_number] => 8/849597 [patent_app_country] => US [patent_app_date] => 1997-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2306 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/727/05727509.pdf [firstpage_image] =>[orig_patent_app_number] => 849597 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/849597
Cam follower in the form of a tappet or a lever having a hydraulic valve clearance compensation element May 26, 1997 Issued
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