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] => 3926839 [patent_doc_number] => 05988977 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Backlash adjustment mechanism for variable pipe diffuser' [patent_app_type] => 1 [patent_app_number] => 8/907288 [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] => 5079 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/988/05988977.pdf [firstpage_image] =>[orig_patent_app_number] => 907288 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907288
Backlash adjustment mechanism for variable pipe diffuser Aug 5, 1997 Issued
Array ( [id] => 3911679 [patent_doc_number] => 05974800 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Device for actuating a hydrostatic drive' [patent_app_type] => 1 [patent_app_number] => 8/894494 [patent_app_country] => US [patent_app_date] => 1997-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4078 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/974/05974800.pdf [firstpage_image] =>[orig_patent_app_number] => 894494 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/894494
Device for actuating a hydrostatic drive Jul 31, 1997 Issued
Array ( [id] => 3975186 [patent_doc_number] => 05918528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Fluid cylinder flow control' [patent_app_type] => 1 [patent_app_number] => 8/898183 [patent_app_country] => US [patent_app_date] => 1997-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 3434 [patent_no_of_claims] => 15 [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/05/918/05918528.pdf [firstpage_image] =>[orig_patent_app_number] => 898183 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/898183
Fluid cylinder flow control Jul 21, 1997 Issued
Array ( [id] => 4022997 [patent_doc_number] => 05855469 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-05 [patent_title] => 'End seal design for blower' [patent_app_type] => 1 [patent_app_number] => 8/895658 [patent_app_country] => US [patent_app_date] => 1997-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2143 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/855/05855469.pdf [firstpage_image] =>[orig_patent_app_number] => 895658 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/895658
End seal design for blower Jul 16, 1997 Issued
Array ( [id] => 3906819 [patent_doc_number] => 05979291 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Hydraulically operated percussion hammer' [patent_app_type] => 1 [patent_app_number] => 8/893369 [patent_app_country] => US [patent_app_date] => 1997-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2868 [patent_no_of_claims] => 5 [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/05/979/05979291.pdf [firstpage_image] =>[orig_patent_app_number] => 893369 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/893369
Hydraulically operated percussion hammer Jul 14, 1997 Issued
Array ( [id] => 3974216 [patent_doc_number] => 05918461 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Stator assembly having single direction anti-rotation device' [patent_app_type] => 1 [patent_app_number] => 8/892078 [patent_app_country] => US [patent_app_date] => 1997-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4051 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/918/05918461.pdf [firstpage_image] =>[orig_patent_app_number] => 892078 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/892078
Stator assembly having single direction anti-rotation device Jul 13, 1997 Issued
Array ( [id] => 3907606 [patent_doc_number] => 05937646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Hydraulic charge boost system for a gantry crane' [patent_app_type] => 1 [patent_app_number] => 8/890019 [patent_app_country] => US [patent_app_date] => 1997-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2990 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937646.pdf [firstpage_image] =>[orig_patent_app_number] => 890019 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/890019
Hydraulic charge boost system for a gantry crane Jul 9, 1997 Issued
Array ( [id] => 3898839 [patent_doc_number] => 05950519 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Hydraulic system with secondary exhaust passage' [patent_app_type] => 1 [patent_app_number] => 8/891264 [patent_app_country] => US [patent_app_date] => 1997-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3366 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/950/05950519.pdf [firstpage_image] =>[orig_patent_app_number] => 891264 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/891264
Hydraulic system with secondary exhaust passage Jul 9, 1997 Issued
Array ( [id] => 4013952 [patent_doc_number] => 05941160 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Pistons for compressors and method and apparatus for coating the pistons' [patent_app_type] => 1 [patent_app_number] => 8/888883 [patent_app_country] => US [patent_app_date] => 1997-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 6401 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/941/05941160.pdf [firstpage_image] =>[orig_patent_app_number] => 888883 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/888883
Pistons for compressors and method and apparatus for coating the pistons Jul 6, 1997 Issued
Array ( [id] => 4049961 [patent_doc_number] => 05865598 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Hot spot detection system for vanes or blades of a combustion turbine' [patent_app_type] => 1 [patent_app_number] => 8/886877 [patent_app_country] => US [patent_app_date] => 1997-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3749 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/865/05865598.pdf [firstpage_image] =>[orig_patent_app_number] => 886877 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/886877
Hot spot detection system for vanes or blades of a combustion turbine Jul 1, 1997 Issued
Array ( [id] => 3914062 [patent_doc_number] => 05913660 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-22 [patent_title] => 'Gas turbine engine fan blade retention' [patent_app_type] => 1 [patent_app_number] => 8/886462 [patent_app_country] => US [patent_app_date] => 1997-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1545 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/913/05913660.pdf [firstpage_image] =>[orig_patent_app_number] => 886462 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/886462
Gas turbine engine fan blade retention Jun 30, 1997 Issued
Array ( [id] => 4081659 [patent_doc_number] => 06050090 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-18 [patent_title] => 'Control apparatus for hydraulic excavator' [patent_app_type] => 1 [patent_app_number] => 8/873085 [patent_app_country] => US [patent_app_date] => 1997-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 26579 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/050/06050090.pdf [firstpage_image] =>[orig_patent_app_number] => 873085 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/873085
Control apparatus for hydraulic excavator Jun 10, 1997 Issued
Array ( [id] => 3964314 [patent_doc_number] => 05916133 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-29 [patent_title] => 'Automotive hydrocarbon adsorber system' [patent_app_type] => 1 [patent_app_number] => 8/871668 [patent_app_country] => US [patent_app_date] => 1997-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4743 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/916/05916133.pdf [firstpage_image] =>[orig_patent_app_number] => 871668 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/871668
Automotive hydrocarbon adsorber system Jun 8, 1997 Issued
Array ( [id] => 3964323 [patent_doc_number] => 05957659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Heat sink apparatus' [patent_app_type] => 1 [patent_app_number] => 8/869959 [patent_app_country] => US [patent_app_date] => 1997-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3461 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/957/05957659.pdf [firstpage_image] =>[orig_patent_app_number] => 869959 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/869959
Heat sink apparatus Jun 4, 1997 Issued
Array ( [id] => 3898876 [patent_doc_number] => 05950522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Rotary pump and cam ring therefor' [patent_app_type] => 1 [patent_app_number] => 8/868633 [patent_app_country] => US [patent_app_date] => 1997-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3298 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/950/05950522.pdf [firstpage_image] =>[orig_patent_app_number] => 868633 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/868633
Rotary pump and cam ring therefor Jun 1, 1997 Issued
Array ( [id] => 4056611 [patent_doc_number] => 05895206 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Fan and heat exchanger assembly' [patent_app_type] => 1 [patent_app_number] => 8/866368 [patent_app_country] => US [patent_app_date] => 1997-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2804 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/895/05895206.pdf [firstpage_image] =>[orig_patent_app_number] => 866368 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/866368
Fan and heat exchanger assembly May 29, 1997 Issued
Array ( [id] => 3969778 [patent_doc_number] => 05890358 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Master cylinder with shock deflector insert' [patent_app_type] => 1 [patent_app_number] => 8/849593 [patent_app_country] => US [patent_app_date] => 1997-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1066 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/890/05890358.pdf [firstpage_image] =>[orig_patent_app_number] => 849593 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/849593
Master cylinder with shock deflector insert May 27, 1997 Issued
Array ( [id] => 3921216 [patent_doc_number] => 05870892 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Electrical energy generator' [patent_app_type] => 1 [patent_app_number] => 8/863144 [patent_app_country] => US [patent_app_date] => 1997-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2492 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/870/05870892.pdf [firstpage_image] =>[orig_patent_app_number] => 863144 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/863144
Electrical energy generator May 26, 1997 Issued
Array ( [id] => 3991650 [patent_doc_number] => 06004099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Rotor blade connection' [patent_app_type] => 1 [patent_app_number] => 8/861199 [patent_app_country] => US [patent_app_date] => 1997-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2141 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/004/06004099.pdf [firstpage_image] =>[orig_patent_app_number] => 861199 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861199
Rotor blade connection May 20, 1997 Issued
Array ( [id] => 4120378 [patent_doc_number] => 06029443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-29 [patent_title] => 'Catalyst with upstream cooling and downstream heating' [patent_app_type] => 1 [patent_app_number] => 8/861292 [patent_app_country] => US [patent_app_date] => 1997-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 30 [patent_no_of_words] => 8548 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/029/06029443.pdf [firstpage_image] =>[orig_patent_app_number] => 861292 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861292
Catalyst with upstream cooling and downstream heating May 20, 1997 Issued
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