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] => 4192223 [patent_doc_number] => 06085704 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Electromagnetically operating actuator for intake and/or exhaust valves' [patent_app_type] => 1 [patent_app_number] => 9/147467 [patent_app_country] => US [patent_app_date] => 1999-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 7641 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/085/06085704.pdf [firstpage_image] =>[orig_patent_app_number] => 147467 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/147467
Electromagnetically operating actuator for intake and/or exhaust valves Jan 3, 1999 Issued
Array ( [id] => 4088602 [patent_doc_number] => 06055949 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'Variable valve actuator apparatus' [patent_app_type] => 1 [patent_app_number] => 9/219774 [patent_app_country] => US [patent_app_date] => 1998-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 28 [patent_no_of_words] => 6666 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055949.pdf [firstpage_image] =>[orig_patent_app_number] => 219774 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/219774
Variable valve actuator apparatus Dec 22, 1998 Issued
Array ( [id] => 4340786 [patent_doc_number] => 06173688 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Valve timing variation device' [patent_app_type] => 1 [patent_app_number] => 9/219812 [patent_app_country] => US [patent_app_date] => 1998-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 2564 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/173/06173688.pdf [firstpage_image] =>[orig_patent_app_number] => 219812 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/219812
Valve timing variation device Dec 22, 1998 Issued
Array ( [id] => 4129087 [patent_doc_number] => 06105543 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/218030 [patent_app_country] => US [patent_app_date] => 1998-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4633 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/105/06105543.pdf [firstpage_image] =>[orig_patent_app_number] => 218030 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/218030
Valve timing control device Dec 21, 1998 Issued
Array ( [id] => 4062583 [patent_doc_number] => 06053138 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Device for hydraulic rotational angle adjustment of a shaft relative to a drive wheel' [patent_app_type] => 1 [patent_app_number] => 9/213758 [patent_app_country] => US [patent_app_date] => 1998-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3022 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/053/06053138.pdf [firstpage_image] =>[orig_patent_app_number] => 213758 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/213758
Device for hydraulic rotational angle adjustment of a shaft relative to a drive wheel Dec 16, 1998 Issued
Array ( [id] => 4192281 [patent_doc_number] => 06085708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Device for hydraulic rotational angle adjustment of a shaft relative to a drive wheel' [patent_app_type] => 1 [patent_app_number] => 9/213234 [patent_app_country] => US [patent_app_date] => 1998-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2901 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/085/06085708.pdf [firstpage_image] =>[orig_patent_app_number] => 213234 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/213234
Device for hydraulic rotational angle adjustment of a shaft relative to a drive wheel Dec 16, 1998 Issued
Array ( [id] => 4062569 [patent_doc_number] => 06053137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Device for supplying pressure medium and/or lubricant to a hydraulic consumer in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/213230 [patent_app_country] => US [patent_app_date] => 1998-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2129 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/053/06053137.pdf [firstpage_image] =>[orig_patent_app_number] => 213230 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/213230
Device for supplying pressure medium and/or lubricant to a hydraulic consumer in an internal combustion engine Dec 16, 1998 Issued
Array ( [id] => 4094882 [patent_doc_number] => 06044814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Electromagnetically driven valve control apparatus and method for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/211917 [patent_app_country] => US [patent_app_date] => 1998-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 43 [patent_no_of_words] => 16330 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/044/06044814.pdf [firstpage_image] =>[orig_patent_app_number] => 211917 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/211917
Electromagnetically driven valve control apparatus and method for an internal combustion engine Dec 14, 1998 Issued
Array ( [id] => 4248725 [patent_doc_number] => 06244228 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-12 [patent_title] => 'Rotary-to-linear motion converter and use thereof' [patent_app_type] => 1 [patent_app_number] => 9/210154 [patent_app_country] => US [patent_app_date] => 1998-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 28 [patent_no_of_words] => 8461 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/244/06244228.pdf [firstpage_image] =>[orig_patent_app_number] => 210154 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/210154
Rotary-to-linear motion converter and use thereof Dec 10, 1998 Issued
Array ( [id] => 4219330 [patent_doc_number] => 06079382 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-27 [patent_title] => 'Locking device for a device for varying valve timing of gas exchange valves of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/210251 [patent_app_country] => US [patent_app_date] => 1998-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4828 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/079/06079382.pdf [firstpage_image] =>[orig_patent_app_number] => 210251 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/210251
Locking device for a device for varying valve timing of gas exchange valves of an internal combustion engine Dec 10, 1998 Issued
Array ( [id] => 4192238 [patent_doc_number] => 06085705 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Variable lost motion valve actuator and method' [patent_app_type] => 1 [patent_app_number] => 9/209486 [patent_app_country] => US [patent_app_date] => 1998-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4502 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/085/06085705.pdf [firstpage_image] =>[orig_patent_app_number] => 209486 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/209486
Variable lost motion valve actuator and method Dec 10, 1998 Issued
Array ( [id] => 4188347 [patent_doc_number] => 06026772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Valve characteristic control apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/210351 [patent_app_country] => US [patent_app_date] => 1998-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5958 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 393 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/026/06026772.pdf [firstpage_image] =>[orig_patent_app_number] => 210351 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/210351
Valve characteristic control apparatus for internal combustion engine Dec 10, 1998 Issued
Array ( [id] => 4192296 [patent_doc_number] => 06085709 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Engine rocker arm cover having reduced noise transmission' [patent_app_type] => 1 [patent_app_number] => 9/224128 [patent_app_country] => US [patent_app_date] => 1998-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2345 [patent_no_of_claims] => 6 [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/06/085/06085709.pdf [firstpage_image] =>[orig_patent_app_number] => 224128 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/224128
Engine rocker arm cover having reduced noise transmission Dec 9, 1998 Issued
Array ( [id] => 4110088 [patent_doc_number] => 06032624 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Engine valve actuating devices' [patent_app_type] => 1 [patent_app_number] => 9/202213 [patent_app_country] => US [patent_app_date] => 1998-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 6622 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/032/06032624.pdf [firstpage_image] =>[orig_patent_app_number] => 202213 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/202213
Engine valve actuating devices Dec 9, 1998 Issued
Array ( [id] => 4170531 [patent_doc_number] => 06041746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Variable valve actuation apparatus' [patent_app_type] => 1 [patent_app_number] => 9/208003 [patent_app_country] => US [patent_app_date] => 1998-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 5152 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/041/06041746.pdf [firstpage_image] =>[orig_patent_app_number] => 208003 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/208003
Variable valve actuation apparatus Dec 8, 1998 Issued
Array ( [id] => 4304966 [patent_doc_number] => 06318324 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Sealed hydraulic lifter for extreme angle operation' [patent_app_type] => 1 [patent_app_number] => 9/208600 [patent_app_country] => US [patent_app_date] => 1998-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2434 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/318/06318324.pdf [firstpage_image] =>[orig_patent_app_number] => 208600 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/208600
Sealed hydraulic lifter for extreme angle operation Dec 6, 1998 Issued
Array ( [id] => 4263088 [patent_doc_number] => 06209498 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Roller valve lifter with oiling channel' [patent_app_type] => 1 [patent_app_number] => 9/203015 [patent_app_country] => US [patent_app_date] => 1998-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2657 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/209/06209498.pdf [firstpage_image] =>[orig_patent_app_number] => 203015 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/203015
Roller valve lifter with oiling channel Nov 30, 1998 Issued
Array ( [id] => 4123542 [patent_doc_number] => 06062182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-16 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/201869 [patent_app_country] => US [patent_app_date] => 1998-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4922 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/062/06062182.pdf [firstpage_image] =>[orig_patent_app_number] => 201869 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/201869
Valve timing control device Nov 29, 1998 Issued
Array ( [id] => 4103927 [patent_doc_number] => 06125828 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Internal combustion engine with combined cam and electro-hydraulic engine valve control' [patent_app_type] => 1 [patent_app_number] => 9/196316 [patent_app_country] => US [patent_app_date] => 1998-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 26 [patent_no_of_words] => 4749 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/125/06125828.pdf [firstpage_image] =>[orig_patent_app_number] => 196316 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/196316
Internal combustion engine with combined cam and electro-hydraulic engine valve control Nov 19, 1998 Issued
Array ( [id] => 4174971 [patent_doc_number] => 06129061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-10 [patent_title] => 'Apparatus for controlling rotational phase' [patent_app_type] => 1 [patent_app_number] => 9/196930 [patent_app_country] => US [patent_app_date] => 1998-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 11048 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/129/06129061.pdf [firstpage_image] =>[orig_patent_app_number] => 196930 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/196930
Apparatus for controlling rotational phase Nov 19, 1998 Issued
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