Search

Christina Y. Leung

Examiner (ID: 13905, Phone: (571)272-3023 , Office: P/3992 )

Most Active Art Unit
2613
Art Unit(s)
3991, 2613, 2733, 2633, 3992
Total Applications
780
Issued Applications
499
Pending Applications
129
Abandoned Applications
156

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3907566 [patent_doc_number] => 05937643 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Ceramic coated exhaust manifold and method' [patent_app_type] => 1 [patent_app_number] => 8/944398 [patent_app_country] => US [patent_app_date] => 1997-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3531 [patent_no_of_claims] => 15 [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/05/937/05937643.pdf [firstpage_image] =>[orig_patent_app_number] => 944398 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/944398
Ceramic coated exhaust manifold and method Oct 5, 1997 Issued
Array ( [id] => 4040394 [patent_doc_number] => 06006520 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Pneumatic assisted brake apply system' [patent_app_type] => 1 [patent_app_number] => 8/944774 [patent_app_country] => US [patent_app_date] => 1997-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2864 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/006/06006520.pdf [firstpage_image] =>[orig_patent_app_number] => 944774 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/944774
Pneumatic assisted brake apply system Oct 5, 1997 Issued
Array ( [id] => 3911635 [patent_doc_number] => 05974797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Hydraulic actuator package' [patent_app_type] => 1 [patent_app_number] => 8/944443 [patent_app_country] => US [patent_app_date] => 1997-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4865 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/974/05974797.pdf [firstpage_image] =>[orig_patent_app_number] => 944443 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/944443
Hydraulic actuator package Oct 5, 1997 Issued
Array ( [id] => 3962425 [patent_doc_number] => 05904088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'Brake booster apparatus for a vehicle' [patent_app_type] => 1 [patent_app_number] => 8/938834 [patent_app_country] => US [patent_app_date] => 1997-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3551 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/904/05904088.pdf [firstpage_image] =>[orig_patent_app_number] => 938834 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/938834
Brake booster apparatus for a vehicle Sep 25, 1997 Issued
Array ( [id] => 4042359 [patent_doc_number] => 05865089 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Linear thruster' [patent_app_type] => 1 [patent_app_number] => 8/934247 [patent_app_country] => US [patent_app_date] => 1997-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 4476 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/865/05865089.pdf [firstpage_image] =>[orig_patent_app_number] => 934247 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/934247
Linear thruster Sep 18, 1997 Issued
Array ( [id] => 3888599 [patent_doc_number] => 05896802 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-27 [patent_title] => 'Rotating apparatus for a diesel motor' [patent_app_type] => 1 [patent_app_number] => 8/933355 [patent_app_country] => US [patent_app_date] => 1997-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1246 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/896/05896802.pdf [firstpage_image] =>[orig_patent_app_number] => 933355 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/933355
Rotating apparatus for a diesel motor Sep 17, 1997 Issued
Array ( [id] => 4167175 [patent_doc_number] => 06092370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Apparatus and method for diagnosing the status of specific components in high-pressure fluid pumps' [patent_app_type] => 1 [patent_app_number] => 8/931248 [patent_app_country] => US [patent_app_date] => 1997-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5519 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/092/06092370.pdf [firstpage_image] =>[orig_patent_app_number] => 931248 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/931248
Apparatus and method for diagnosing the status of specific components in high-pressure fluid pumps Sep 15, 1997 Issued
Array ( [id] => 3752792 [patent_doc_number] => 05848529 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-15 [patent_title] => 'Apparatus and method for purifying exhaust gas in an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/933618 [patent_app_country] => US [patent_app_date] => 1997-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5088 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/848/05848529.pdf [firstpage_image] =>[orig_patent_app_number] => 933618 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/933618
Apparatus and method for purifying exhaust gas in an internal combustion engine Sep 7, 1997 Issued
Array ( [id] => 4081052 [patent_doc_number] => 06065290 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-23 [patent_title] => 'Compact brake-control device' [patent_app_type] => 1 [patent_app_number] => 8/913458 [patent_app_country] => US [patent_app_date] => 1997-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 1015 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/065/06065290.pdf [firstpage_image] =>[orig_patent_app_number] => 913458 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/913458
Compact brake-control device Sep 3, 1997 Issued
Array ( [id] => 4069288 [patent_doc_number] => 06016738 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Piston compressor of the horizontal type' [patent_app_type] => 1 [patent_app_number] => 8/836172 [patent_app_country] => US [patent_app_date] => 1997-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6197 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/016/06016738.pdf [firstpage_image] =>[orig_patent_app_number] => 836172 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/836172
Piston compressor of the horizontal type Aug 26, 1997 Issued
Array ( [id] => 4036996 [patent_doc_number] => 05911682 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-15 [patent_title] => 'Air-fuel ratio control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/917679 [patent_app_country] => US [patent_app_date] => 1997-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 13487 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/911/05911682.pdf [firstpage_image] =>[orig_patent_app_number] => 917679 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/917679
Air-fuel ratio control system for internal combustion engines Aug 25, 1997 Issued
Array ( [id] => 3991557 [patent_doc_number] => 05878572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Proportioning device for a brake system' [patent_app_type] => 1 [patent_app_number] => 8/916643 [patent_app_country] => US [patent_app_date] => 1997-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3229 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/878/05878572.pdf [firstpage_image] =>[orig_patent_app_number] => 916643 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/916643
Proportioning device for a brake system Aug 21, 1997 Issued
Array ( [id] => 4018771 [patent_doc_number] => 05966930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Catalyst deterioration-determining system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/914823 [patent_app_country] => US [patent_app_date] => 1997-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 25 [patent_no_of_words] => 15596 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/966/05966930.pdf [firstpage_image] =>[orig_patent_app_number] => 914823 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/914823
Catalyst deterioration-determining system for internal combustion engines Aug 19, 1997 Issued
Array ( [id] => 3977304 [patent_doc_number] => 05890873 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Labyrinth seal for a turbine bucket cover' [patent_app_type] => 1 [patent_app_number] => 8/910316 [patent_app_country] => US [patent_app_date] => 1997-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2990 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/890/05890873.pdf [firstpage_image] =>[orig_patent_app_number] => 910316 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/910316
Labyrinth seal for a turbine bucket cover Aug 12, 1997 Issued
Array ( [id] => 4014811 [patent_doc_number] => 05941219 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Method and apparatus for cleaning exhaust gas by alpha-decay' [patent_app_type] => 1 [patent_app_number] => 8/915514 [patent_app_country] => US [patent_app_date] => 1997-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4131 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/941/05941219.pdf [firstpage_image] =>[orig_patent_app_number] => 915514 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/915514
Method and apparatus for cleaning exhaust gas by alpha-decay Aug 12, 1997 Issued
Array ( [id] => 3912907 [patent_doc_number] => 05876182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-02 [patent_title] => 'Apparatus and method for preventing laminar boundary layer separation on rotor blades of axial turbomachinery' [patent_app_type] => 1 [patent_app_number] => 8/907478 [patent_app_country] => US [patent_app_date] => 1997-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2184 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/876/05876182.pdf [firstpage_image] =>[orig_patent_app_number] => 907478 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907478
Apparatus and method for preventing laminar boundary layer separation on rotor blades of axial turbomachinery Aug 10, 1997 Issued
Array ( [id] => 3992572 [patent_doc_number] => 05878647 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Pilot solenoid control valve and hydraulic control system using same' [patent_app_type] => 1 [patent_app_number] => 8/908113 [patent_app_country] => US [patent_app_date] => 1997-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4030 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/878/05878647.pdf [firstpage_image] =>[orig_patent_app_number] => 908113 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/908113
Pilot solenoid control valve and hydraulic control system using same Aug 10, 1997 Issued
Array ( [id] => 3910644 [patent_doc_number] => 05944487 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Blade ring attachment system' [patent_app_type] => 1 [patent_app_number] => 8/908226 [patent_app_country] => US [patent_app_date] => 1997-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3372 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/944/05944487.pdf [firstpage_image] =>[orig_patent_app_number] => 908226 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/908226
Blade ring attachment system Aug 6, 1997 Issued
Array ( [id] => 4056584 [patent_doc_number] => 05895204 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Drive positioning mechanism for a variable pipe diffuser' [patent_app_type] => 1 [patent_app_number] => 8/907319 [patent_app_country] => US [patent_app_date] => 1997-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 5141 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/895/05895204.pdf [firstpage_image] =>[orig_patent_app_number] => 907319 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907319
Drive positioning mechanism for a variable pipe diffuser Aug 5, 1997 Issued
Array ( [id] => 3949594 [patent_doc_number] => 05899661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Axial restraint system for variable pipe diffuser' [patent_app_type] => 1 [patent_app_number] => 8/907243 [patent_app_country] => US [patent_app_date] => 1997-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 5141 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/899/05899661.pdf [firstpage_image] =>[orig_patent_app_number] => 907243 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907243
Axial restraint system for variable pipe diffuser Aug 5, 1997 Issued
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