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] => 4018393 [patent_doc_number] => 05855159 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-05 [patent_title] => 'Hydraulic circuit for a boom cylinder in a hydraulic shovel' [patent_app_type] => 1 [patent_app_number] => 8/793045 [patent_app_country] => US [patent_app_date] => 1997-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5537 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/855/05855159.pdf [firstpage_image] =>[orig_patent_app_number] => 793045 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/793045
Hydraulic circuit for a boom cylinder in a hydraulic shovel Feb 17, 1997 Issued
Array ( [id] => 3752807 [patent_doc_number] => 05848530 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-15 [patent_title] => 'Device for detecting deterioration of catalytic converter for cleaning exhaust gases' [patent_app_type] => 1 [patent_app_number] => 8/783229 [patent_app_country] => US [patent_app_date] => 1997-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 8371 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/848/05848530.pdf [firstpage_image] =>[orig_patent_app_number] => 783229 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/783229
Device for detecting deterioration of catalytic converter for cleaning exhaust gases Jan 13, 1997 Issued
Array ( [id] => 3951337 [patent_doc_number] => 05946908 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Engine control and wall temperature sensor' [patent_app_type] => 1 [patent_app_number] => 8/782648 [patent_app_country] => US [patent_app_date] => 1997-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 25 [patent_no_of_words] => 7794 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/946/05946908.pdf [firstpage_image] =>[orig_patent_app_number] => 782648 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/782648
Engine control and wall temperature sensor Jan 13, 1997 Issued
Array ( [id] => 4053563 [patent_doc_number] => 06067891 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-30 [patent_title] => 'Braking assistance pneumatic servomotor with improved valve' [patent_app_type] => 1 [patent_app_number] => 8/750644 [patent_app_country] => US [patent_app_date] => 1996-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2665 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/067/06067891.pdf [firstpage_image] =>[orig_patent_app_number] => 750644 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/750644
Braking assistance pneumatic servomotor with improved valve Dec 10, 1996 Issued
Array ( [id] => 3944439 [patent_doc_number] => 05884479 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Device for matching the operation of travelling unit in construction vehicles' [patent_app_type] => 1 [patent_app_number] => 8/762953 [patent_app_country] => US [patent_app_date] => 1996-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2539 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/884/05884479.pdf [firstpage_image] =>[orig_patent_app_number] => 762953 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/762953
Device for matching the operation of travelling unit in construction vehicles Dec 9, 1996 Issued
Array ( [id] => 3982982 [patent_doc_number] => 05921754 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Composite turbine rotor' [patent_app_type] => 1 [patent_app_number] => 8/703029 [patent_app_country] => US [patent_app_date] => 1996-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 4576 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/921/05921754.pdf [firstpage_image] =>[orig_patent_app_number] => 703029 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/703029
Composite turbine rotor Aug 25, 1996 Issued
Array ( [id] => 3992172 [patent_doc_number] => 05961284 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine' [patent_app_type] => 1 [patent_app_number] => 8/701701 [patent_app_country] => US [patent_app_date] => 1996-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 26840 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 25 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/961/05961284.pdf [firstpage_image] =>[orig_patent_app_number] => 701701 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/701701
High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine Aug 21, 1996 Issued
Array ( [id] => 1369274 [patent_doc_number] => 06551064 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-22 [patent_title] => 'Laser shock peened gas turbine engine intermetallic parts' [patent_app_type] => B1 [patent_app_number] => 08/686630 [patent_app_country] => US [patent_app_date] => 1996-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4910 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/551/06551064.pdf [firstpage_image] =>[orig_patent_app_number] => 08686630 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/686630
Laser shock peened gas turbine engine intermetallic parts Jul 23, 1996 Issued
Array ( [id] => 3928337 [patent_doc_number] => 05934075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Booster with prefilling without limitation in flowrate' [patent_app_type] => 1 [patent_app_number] => 8/596352 [patent_app_country] => US [patent_app_date] => 1996-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2531 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/934/05934075.pdf [firstpage_image] =>[orig_patent_app_number] => 596352 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/596352
Booster with prefilling without limitation in flowrate Mar 7, 1996 Issued
Array ( [id] => 3989556 [patent_doc_number] => 05961110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Sheet sorter with sheet jam detection' [patent_app_type] => 1 [patent_app_number] => 8/432595 [patent_app_country] => US [patent_app_date] => 1995-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2982 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/961/05961110.pdf [firstpage_image] =>[orig_patent_app_number] => 432595 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/432595
Sheet sorter with sheet jam detection Apr 30, 1995 Issued
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