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] => 4011552 [patent_doc_number] => 05906475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-25 [patent_title] => 'Housing for a fan' [patent_app_type] => 1 [patent_app_number] => 8/969068 [patent_app_country] => US [patent_app_date] => 1997-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1286 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/906/05906475.pdf [firstpage_image] =>[orig_patent_app_number] => 969068 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/969068
Housing for a fan Nov 11, 1997 Issued
Array ( [id] => 3969844 [patent_doc_number] => 05890363 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Brake-pressure producing device' [patent_app_type] => 1 [patent_app_number] => 8/966715 [patent_app_country] => US [patent_app_date] => 1997-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7182 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/890/05890363.pdf [firstpage_image] =>[orig_patent_app_number] => 966715 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/966715
Brake-pressure producing device Nov 9, 1997 Issued
Array ( [id] => 3908866 [patent_doc_number] => 05937733 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Spring brake actuator with internal breathing conduit' [patent_app_type] => 1 [patent_app_number] => 8/965563 [patent_app_country] => US [patent_app_date] => 1997-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4961 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937733.pdf [firstpage_image] =>[orig_patent_app_number] => 965563 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/965563
Spring brake actuator with internal breathing conduit Nov 5, 1997 Issued
Array ( [id] => 3967530 [patent_doc_number] => 05916350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-29 [patent_title] => 'Piston rod bearing assembly of reciprocating piston engine' [patent_app_type] => 1 [patent_app_number] => 8/875126 [patent_app_country] => US [patent_app_date] => 1997-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3994 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/916/05916350.pdf [firstpage_image] =>[orig_patent_app_number] => 875126 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/875126
Piston rod bearing assembly of reciprocating piston engine Nov 5, 1997 Issued
Array ( [id] => 3964383 [patent_doc_number] => 05916138 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-29 [patent_title] => 'Hydrostatic transmission' [patent_app_type] => 1 [patent_app_number] => 8/963699 [patent_app_country] => US [patent_app_date] => 1997-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1747 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/916/05916138.pdf [firstpage_image] =>[orig_patent_app_number] => 963699 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/963699
Hydrostatic transmission Nov 3, 1997 Issued
Array ( [id] => 4049596 [patent_doc_number] => 05894727 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Method and system for generating an inferred EGO signal in an asymmetrical Y-pipe exhaust system' [patent_app_type] => 1 [patent_app_number] => 8/963357 [patent_app_country] => US [patent_app_date] => 1997-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2368 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/894/05894727.pdf [firstpage_image] =>[orig_patent_app_number] => 963357 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/963357
Method and system for generating an inferred EGO signal in an asymmetrical Y-pipe exhaust system Nov 2, 1997 Issued
Array ( [id] => 3973093 [patent_doc_number] => 05921079 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Emission control apparatus' [patent_app_type] => 1 [patent_app_number] => 8/962697 [patent_app_country] => US [patent_app_date] => 1997-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3732 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/921/05921079.pdf [firstpage_image] =>[orig_patent_app_number] => 962697 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/962697
Emission control apparatus Nov 2, 1997 Issued
Array ( [id] => 3904069 [patent_doc_number] => 05970708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Hydraulic steering assembly with change in transmission ratio and flow amplification' [patent_app_type] => 1 [patent_app_number] => 8/960884 [patent_app_country] => US [patent_app_date] => 1997-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3626 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/970/05970708.pdf [firstpage_image] =>[orig_patent_app_number] => 960884 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/960884
Hydraulic steering assembly with change in transmission ratio and flow amplification Oct 29, 1997 Issued
Array ( [id] => 3915169 [patent_doc_number] => 05996338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Exhaust gas purifying device for engine' [patent_app_type] => 1 [patent_app_number] => 8/959037 [patent_app_country] => US [patent_app_date] => 1997-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 5799 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/996/05996338.pdf [firstpage_image] =>[orig_patent_app_number] => 959037 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/959037
Exhaust gas purifying device for engine Oct 27, 1997 Issued
Array ( [id] => 3897565 [patent_doc_number] => 05950431 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Tandem pump apparatus' [patent_app_type] => 1 [patent_app_number] => 8/957183 [patent_app_country] => US [patent_app_date] => 1997-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2524 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/950/05950431.pdf [firstpage_image] =>[orig_patent_app_number] => 957183 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/957183
Tandem pump apparatus Oct 23, 1997 Issued
Array ( [id] => 3854535 [patent_doc_number] => 05836743 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Variable pitch counterweighted propeller system with releasable hydraulic pitchlock' [patent_app_type] => 1 [patent_app_number] => 8/955589 [patent_app_country] => US [patent_app_date] => 1997-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3229 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/836/05836743.pdf [firstpage_image] =>[orig_patent_app_number] => 955589 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/955589
Variable pitch counterweighted propeller system with releasable hydraulic pitchlock Oct 21, 1997 Issued
Array ( [id] => 3979814 [patent_doc_number] => 06003306 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Method and apparatus for nitrogen oxide emission of a direct injection internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/953978 [patent_app_country] => US [patent_app_date] => 1997-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3228 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/003/06003306.pdf [firstpage_image] =>[orig_patent_app_number] => 953978 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/953978
Method and apparatus for nitrogen oxide emission of a direct injection internal combustion engine Oct 19, 1997 Issued
Array ( [id] => 3983373 [patent_doc_number] => 05960696 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Hydraulic cylinder with press-fitted pipe' [patent_app_type] => 1 [patent_app_number] => 8/953391 [patent_app_country] => US [patent_app_date] => 1997-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3597 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/960/05960696.pdf [firstpage_image] =>[orig_patent_app_number] => 953391 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/953391
Hydraulic cylinder with press-fitted pipe Oct 16, 1997 Issued
Array ( [id] => 4038029 [patent_doc_number] => 05931640 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Oppositely skewed counter-rotating fans' [patent_app_type] => 1 [patent_app_number] => 8/954289 [patent_app_country] => US [patent_app_date] => 1997-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1204 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931640.pdf [firstpage_image] =>[orig_patent_app_number] => 954289 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/954289
Oppositely skewed counter-rotating fans Oct 16, 1997 Issued
Array ( [id] => 3906888 [patent_doc_number] => 05979296 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Reciprocating pump' [patent_app_type] => 1 [patent_app_number] => 8/951541 [patent_app_country] => US [patent_app_date] => 1997-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3437 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/979/05979296.pdf [firstpage_image] =>[orig_patent_app_number] => 951541 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/951541
Reciprocating pump Oct 15, 1997 Issued
Array ( [id] => 4028568 [patent_doc_number] => 05868161 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'Damper valve' [patent_app_type] => 1 [patent_app_number] => 8/950959 [patent_app_country] => US [patent_app_date] => 1997-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3395 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/868/05868161.pdf [firstpage_image] =>[orig_patent_app_number] => 950959 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/950959
Damper valve Oct 14, 1997 Issued
Array ( [id] => 3912767 [patent_doc_number] => 05988040 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Variable displacement swash plate compressor with improved swash plate support means' [patent_app_type] => 1 [patent_app_number] => 8/945137 [patent_app_country] => US [patent_app_date] => 1997-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7382 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/988/05988040.pdf [firstpage_image] =>[orig_patent_app_number] => 945137 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/945137
Variable displacement swash plate compressor with improved swash plate support means Oct 14, 1997 Issued
Array ( [id] => 3895628 [patent_doc_number] => 05897294 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-27 [patent_title] => 'Vane for gas turbine' [patent_app_type] => 1 [patent_app_number] => 8/875176 [patent_app_country] => US [patent_app_date] => 1997-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1929 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/897/05897294.pdf [firstpage_image] =>[orig_patent_app_number] => 875176 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/875176
Vane for gas turbine Oct 13, 1997 Issued
Array ( [id] => 3981565 [patent_doc_number] => 05910098 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-08 [patent_title] => 'Brake system of an engine' [patent_app_type] => 1 [patent_app_number] => 8/947258 [patent_app_country] => US [patent_app_date] => 1997-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2547 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/910/05910098.pdf [firstpage_image] =>[orig_patent_app_number] => 947258 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/947258
Brake system of an engine Oct 7, 1997 Issued
Array ( [id] => 1543583 [patent_doc_number] => 06397722 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Variable torque accommodating, pressure fluid driven, transmissionless engine' [patent_app_type] => B1 [patent_app_number] => 08/946609 [patent_app_country] => US [patent_app_date] => 1997-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 28 [patent_no_of_words] => 13026 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/397/06397722.pdf [firstpage_image] =>[orig_patent_app_number] => 08946609 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/946609
Variable torque accommodating, pressure fluid driven, transmissionless engine Oct 6, 1997 Issued
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