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] => 3087901 [patent_doc_number] => 05447127 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-05 [patent_title] => 'Internal combustion engine with an overhead camshaft' [patent_app_type] => 1 [patent_app_number] => 8/227632 [patent_app_country] => US [patent_app_date] => 1994-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9554 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/447/05447127.pdf [firstpage_image] =>[orig_patent_app_number] => 227632 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/227632
Internal combustion engine with an overhead camshaft Apr 13, 1994 Issued
Array ( [id] => 3433630 [patent_doc_number] => 05423272 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-13 [patent_title] => 'Method for optimizing the operating efficiency of a fossil fuel-fired power generation system' [patent_app_type] => 1 [patent_app_number] => 8/225879 [patent_app_country] => US [patent_app_date] => 1994-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12319 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/423/05423272.pdf [firstpage_image] =>[orig_patent_app_number] => 225879 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/225879
Method for optimizing the operating efficiency of a fossil fuel-fired power generation system Apr 10, 1994 Issued
08/217779 METHOD AND APPARATUS FOR ELECTRICALLY DRIVING ENGINE VALVES Mar 24, 1994 Abandoned
Array ( [id] => 3532004 [patent_doc_number] => 05494439 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-27 [patent_title] => 'Si/SiC composite material and method for making Si/SiC composite material' [patent_app_type] => 1 [patent_app_number] => 8/217363 [patent_app_country] => US [patent_app_date] => 1994-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4636 [patent_no_of_claims] => 5 [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/05/494/05494439.pdf [firstpage_image] =>[orig_patent_app_number] => 217363 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/217363
Si/SiC composite material and method for making Si/SiC composite material Mar 23, 1994 Issued
Array ( [id] => 3466116 [patent_doc_number] => 05404845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-11 [patent_title] => 'Valve mechanism for an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/217155 [patent_app_country] => US [patent_app_date] => 1994-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2518 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/404/05404845.pdf [firstpage_image] =>[orig_patent_app_number] => 217155 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/217155
Valve mechanism for an internal-combustion engine Mar 23, 1994 Issued
Array ( [id] => 3052426 [patent_doc_number] => 05363817 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-15 [patent_title] => 'Valve operation timing regulation apparatus for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/216544 [patent_app_country] => US [patent_app_date] => 1994-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4394 [patent_no_of_claims] => 5 [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/05/363/05363817.pdf [firstpage_image] =>[orig_patent_app_number] => 216544 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/216544
Valve operation timing regulation apparatus for internal combustion engines Mar 22, 1994 Issued
Array ( [id] => 3087749 [patent_doc_number] => 05417191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Control device for automobile engine including a valve system which opens and closes intake and exhaust valves by reciprocative force of crankshaft' [patent_app_type] => 1 [patent_app_number] => 8/140018 [patent_app_country] => US [patent_app_date] => 1994-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 6464 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/417/05417191.pdf [firstpage_image] =>[orig_patent_app_number] => 140018 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/140018
Control device for automobile engine including a valve system which opens and closes intake and exhaust valves by reciprocative force of crankshaft Mar 22, 1994 Issued
Array ( [id] => 3073309 [patent_doc_number] => 05367991 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-29 [patent_title] => 'Valve operating system of engine' [patent_app_type] => 1 [patent_app_number] => 8/210484 [patent_app_country] => US [patent_app_date] => 1994-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4759 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/367/05367991.pdf [firstpage_image] =>[orig_patent_app_number] => 210484 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/210484
Valve operating system of engine Mar 20, 1994 Issued
Array ( [id] => 3537116 [patent_doc_number] => 05572963 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'Hydraulic tappet' [patent_app_type] => 1 [patent_app_number] => 8/213529 [patent_app_country] => US [patent_app_date] => 1994-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1908 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/572/05572963.pdf [firstpage_image] =>[orig_patent_app_number] => 213529 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/213529
Hydraulic tappet Mar 15, 1994 Issued
Array ( [id] => 3095958 [patent_doc_number] => 05408958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-25 [patent_title] => 'Cylinder head for an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/208118 [patent_app_country] => US [patent_app_date] => 1994-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1843 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/408/05408958.pdf [firstpage_image] =>[orig_patent_app_number] => 208118 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/208118
Cylinder head for an internal-combustion engine Mar 8, 1994 Issued
Array ( [id] => 3420983 [patent_doc_number] => 05454715 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-03 [patent_title] => 'Method for improved manufacture of cement in long kilns' [patent_app_type] => 1 [patent_app_number] => 8/212252 [patent_app_country] => US [patent_app_date] => 1994-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 8725 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/454/05454715.pdf [firstpage_image] =>[orig_patent_app_number] => 212252 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/212252
Method for improved manufacture of cement in long kilns Mar 8, 1994 Issued
Array ( [id] => 3570413 [patent_doc_number] => 05490469 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-13 [patent_title] => 'Method and apparatus for heating the bed material in a PFBC plant' [patent_app_type] => 1 [patent_app_number] => 8/199288 [patent_app_country] => US [patent_app_date] => 1994-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2684 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/490/05490469.pdf [firstpage_image] =>[orig_patent_app_number] => 199288 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/199288
Method and apparatus for heating the bed material in a PFBC plant Mar 1, 1994 Issued
Array ( [id] => 3020400 [patent_doc_number] => 05372097 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-13 [patent_title] => 'Self-lubricating cam follower' [patent_app_type] => 1 [patent_app_number] => 8/204807 [patent_app_country] => US [patent_app_date] => 1994-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3294 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/372/05372097.pdf [firstpage_image] =>[orig_patent_app_number] => 204807 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/204807
Self-lubricating cam follower Feb 28, 1994 Issued
Array ( [id] => 3561102 [patent_doc_number] => 05522348 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-04 [patent_title] => 'Boiler' [patent_app_type] => 1 [patent_app_number] => 8/199205 [patent_app_country] => US [patent_app_date] => 1994-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 45 [patent_no_of_words] => 6673 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/522/05522348.pdf [firstpage_image] =>[orig_patent_app_number] => 199205 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/199205
Boiler Feb 27, 1994 Issued
Array ( [id] => 3411840 [patent_doc_number] => 05415138 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-16 [patent_title] => 'Pushrod guide for an overhead valve engine and method of installing the same' [patent_app_type] => 1 [patent_app_number] => 8/203344 [patent_app_country] => US [patent_app_date] => 1994-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2881 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/415/05415138.pdf [firstpage_image] =>[orig_patent_app_number] => 203344 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/203344
Pushrod guide for an overhead valve engine and method of installing the same Feb 27, 1994 Issued
Array ( [id] => 2974106 [patent_doc_number] => 05365898 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-22 [patent_title] => 'Device for changing a rotational position of a control shaft that controls gas exchange valves of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/201959 [patent_app_country] => US [patent_app_date] => 1994-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2833 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/365/05365898.pdf [firstpage_image] =>[orig_patent_app_number] => 201959 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/201959
Device for changing a rotational position of a control shaft that controls gas exchange valves of an internal combustion engine Feb 24, 1994 Issued
Array ( [id] => 3505329 [patent_doc_number] => 05529030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-25 [patent_title] => 'Fluid actuators' [patent_app_type] => 1 [patent_app_number] => 8/198968 [patent_app_country] => US [patent_app_date] => 1994-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 24 [patent_no_of_words] => 3843 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/529/05529030.pdf [firstpage_image] =>[orig_patent_app_number] => 198968 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/198968
Fluid actuators Feb 17, 1994 Issued
Array ( [id] => 3035970 [patent_doc_number] => 05355850 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Adjustable force transmission arrangement for a camshaft of a big diesel engine' [patent_app_type] => 1 [patent_app_number] => 8/197288 [patent_app_country] => US [patent_app_date] => 1994-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1015 [patent_no_of_claims] => 4 [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/05/355/05355850.pdf [firstpage_image] =>[orig_patent_app_number] => 197288 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/197288
Adjustable force transmission arrangement for a camshaft of a big diesel engine Feb 14, 1994 Issued
08/196858 VALVE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Feb 14, 1994 Abandoned
08/189619 AUTOMATED SLUDGE LANCE Jan 31, 1994 Abandoned
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