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] => 4121357 [patent_doc_number] => RE036499 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-18 [patent_title] => 'Method and apparatus for holding a cylinder valve closed during combustion' [patent_app_type] => 2 [patent_app_number] => 9/099892 [patent_app_country] => US [patent_app_date] => 1998-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2447 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/036/RE036499.pdf [firstpage_image] =>[orig_patent_app_number] => 099892 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/099892
Method and apparatus for holding a cylinder valve closed during combustion Jun 17, 1998 Issued
Array ( [id] => 4091344 [patent_doc_number] => 06021749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-08 [patent_title] => 'Arrangement for actuating a charge cycle valve having an electromagnetic actuator' [patent_app_type] => 1 [patent_app_number] => 9/094673 [patent_app_country] => US [patent_app_date] => 1998-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3562 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/021/06021749.pdf [firstpage_image] =>[orig_patent_app_number] => 094673 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/094673
Arrangement for actuating a charge cycle valve having an electromagnetic actuator Jun 14, 1998 Issued
Array ( [id] => 3903177 [patent_doc_number] => 05943988 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Operating arrangement for a gas change valve of an internal engine combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/096712 [patent_app_country] => US [patent_app_date] => 1998-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4193 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/943/05943988.pdf [firstpage_image] =>[orig_patent_app_number] => 096712 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/096712
Operating arrangement for a gas change valve of an internal engine combustion engine Jun 11, 1998 Issued
Array ( [id] => 3930643 [patent_doc_number] => 05934232 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Engine valve lift mechanism' [patent_app_type] => 1 [patent_app_number] => 9/097117 [patent_app_country] => US [patent_app_date] => 1998-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 2459 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/934/05934232.pdf [firstpage_image] =>[orig_patent_app_number] => 097117 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/097117
Engine valve lift mechanism Jun 11, 1998 Issued
Array ( [id] => 3984236 [patent_doc_number] => 05960755 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Internal combustion engine with variable camshaft timing and variable duration exhaust event' [patent_app_type] => 1 [patent_app_number] => 9/094377 [patent_app_country] => US [patent_app_date] => 1998-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 2522 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/960/05960755.pdf [firstpage_image] =>[orig_patent_app_number] => 094377 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/094377
Internal combustion engine with variable camshaft timing and variable duration exhaust event Jun 8, 1998 Issued
Array ( [id] => 3955748 [patent_doc_number] => 05957096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Internal combustion engine with variable camshaft timing, charge motion control valve, and variable air/fuel ratio' [patent_app_type] => 1 [patent_app_number] => 9/094017 [patent_app_country] => US [patent_app_date] => 1998-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2299 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/957/05957096.pdf [firstpage_image] =>[orig_patent_app_number] => 094017 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/094017
Internal combustion engine with variable camshaft timing, charge motion control valve, and variable air/fuel ratio Jun 8, 1998 Issued
09/093603 DEVICE FOR VARYING VALVE TIMING OF GAS EXCHANGE VALVES OF INTERNAL COMBUSTION ENGINE Jun 8, 1998 Issued
Array ( [id] => 3955774 [patent_doc_number] => 05957098 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Hydraulic valve timing adjusting apparatus' [patent_app_type] => 1 [patent_app_number] => 9/093310 [patent_app_country] => US [patent_app_date] => 1998-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 6988 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/957/05957098.pdf [firstpage_image] =>[orig_patent_app_number] => 093310 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/093310
Hydraulic valve timing adjusting apparatus Jun 8, 1998 Issued
Array ( [id] => 3899754 [patent_doc_number] => 05950582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Internal combustion engine with variable camshaft timing and intake valve masking' [patent_app_type] => 1 [patent_app_number] => 9/093563 [patent_app_country] => US [patent_app_date] => 1998-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 2207 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/950/05950582.pdf [firstpage_image] =>[orig_patent_app_number] => 093563 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/093563
Internal combustion engine with variable camshaft timing and intake valve masking Jun 7, 1998 Issued
Array ( [id] => 4156739 [patent_doc_number] => 06035816 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/092016 [patent_app_country] => US [patent_app_date] => 1998-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3094 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/035/06035816.pdf [firstpage_image] =>[orig_patent_app_number] => 092016 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/092016
Valve timing control device Jun 4, 1998 Issued
Array ( [id] => 4066927 [patent_doc_number] => 06024060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-15 [patent_title] => 'Internal combustion engine valve operating mechanism' [patent_app_type] => 1 [patent_app_number] => 9/092445 [patent_app_country] => US [patent_app_date] => 1998-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 9372 [patent_no_of_claims] => 19 [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/06/024/06024060.pdf [firstpage_image] =>[orig_patent_app_number] => 092445 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/092445
Internal combustion engine valve operating mechanism Jun 4, 1998 Issued
Array ( [id] => 3903191 [patent_doc_number] => 05943989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Valve timing control device' [patent_app_type] => 1 [patent_app_number] => 9/092017 [patent_app_country] => US [patent_app_date] => 1998-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4961 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/943/05943989.pdf [firstpage_image] =>[orig_patent_app_number] => 092017 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/092017
Valve timing control device Jun 4, 1998 Issued
Array ( [id] => 4110074 [patent_doc_number] => 06032623 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Control apparatus and control method of variable valve timing structure' [patent_app_type] => 1 [patent_app_number] => 9/090878 [patent_app_country] => US [patent_app_date] => 1998-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2984 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/032/06032623.pdf [firstpage_image] =>[orig_patent_app_number] => 090878 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/090878
Control apparatus and control method of variable valve timing structure Jun 4, 1998 Issued
Array ( [id] => 4407024 [patent_doc_number] => 06176208 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-23 [patent_title] => 'Electromagnetic valve driving apparatus' [patent_app_type] => 1 [patent_app_number] => 9/090981 [patent_app_country] => US [patent_app_date] => 1998-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 6885 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/176/06176208.pdf [firstpage_image] =>[orig_patent_app_number] => 090981 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/090981
Electromagnetic valve driving apparatus Jun 4, 1998 Issued
09/090530 CUP-SHAPED VALVE TAPPET Jun 3, 1998 Issued
Array ( [id] => 4200624 [patent_doc_number] => 06039014 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-21 [patent_title] => 'System and method for regenerative electromagnetic engine valve actuation' [patent_app_type] => 1 [patent_app_number] => 9/088340 [patent_app_country] => US [patent_app_date] => 1998-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5114 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/039/06039014.pdf [firstpage_image] =>[orig_patent_app_number] => 088340 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/088340
System and method for regenerative electromagnetic engine valve actuation May 31, 1998 Issued
Array ( [id] => 4134858 [patent_doc_number] => 06155217 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Control method of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/087984 [patent_app_country] => US [patent_app_date] => 1998-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3676 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/155/06155217.pdf [firstpage_image] =>[orig_patent_app_number] => 087984 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/087984
Control method of an internal combustion engine May 31, 1998 Issued
Array ( [id] => 4192267 [patent_doc_number] => 06085707 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Valve operating system in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/085168 [patent_app_country] => US [patent_app_date] => 1998-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7163 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/085/06085707.pdf [firstpage_image] =>[orig_patent_app_number] => 085168 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/085168
Valve operating system in internal combustion engine May 27, 1998 Issued
Array ( [id] => 3906667 [patent_doc_number] => 05927239 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Apparatus for adjusting valve timing of gas exchange valves in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/086392 [patent_app_country] => US [patent_app_date] => 1998-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 6187 [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/05/927/05927239.pdf [firstpage_image] =>[orig_patent_app_number] => 086392 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/086392
Apparatus for adjusting valve timing of gas exchange valves in an internal combustion engine May 27, 1998 Issued
09/085488 DEVICE FOR VARYING VALVE TIMING IN AN INTERNAL COMBUSTION ENGINE May 26, 1998 Issued
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