
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |