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] => 4096978 [patent_doc_number] => 06056509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'Contra-rotating bearing device for contra-rotating propeller' [patent_app_type] => 1 [patent_app_number] => 8/809339 [patent_app_country] => US [patent_app_date] => 1998-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 40 [patent_no_of_words] => 12216 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/056/06056509.pdf [firstpage_image] =>[orig_patent_app_number] => 809339 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/809339
Contra-rotating bearing device for contra-rotating propeller Aug 9, 1998 Issued
Array ( [id] => 4092401 [patent_doc_number] => 06044645 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Flow control for oil in transit' [patent_app_type] => 1 [patent_app_number] => 9/130074 [patent_app_country] => US [patent_app_date] => 1998-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2172 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/044/06044645.pdf [firstpage_image] =>[orig_patent_app_number] => 130074 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/130074
Flow control for oil in transit Aug 6, 1998 Issued
Array ( [id] => 4162168 [patent_doc_number] => 06018947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-01 [patent_title] => 'System and process for recovering energy from a compressed gas' [patent_app_type] => 1 [patent_app_number] => 9/129849 [patent_app_country] => US [patent_app_date] => 1998-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1940 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/018/06018947.pdf [firstpage_image] =>[orig_patent_app_number] => 129849 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/129849
System and process for recovering energy from a compressed gas Aug 5, 1998 Issued
Array ( [id] => 3962518 [patent_doc_number] => 05983632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Exhaust emission control apparatus for a general-purpose internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 9/130269 [patent_app_country] => US [patent_app_date] => 1998-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4411 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/983/05983632.pdf [firstpage_image] =>[orig_patent_app_number] => 130269 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/130269
Exhaust emission control apparatus for a general-purpose internal combustion engine Aug 5, 1998 Issued
Array ( [id] => 4168456 [patent_doc_number] => 06092457 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Hydraulic pump or motor' [patent_app_type] => 1 [patent_app_number] => 9/129038 [patent_app_country] => US [patent_app_date] => 1998-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3785 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/092/06092457.pdf [firstpage_image] =>[orig_patent_app_number] => 129038 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/129038
Hydraulic pump or motor Aug 3, 1998 Issued
Array ( [id] => 3927093 [patent_doc_number] => 05975843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Fluid supply device having irregular vane grooves' [patent_app_type] => 1 [patent_app_number] => 9/127868 [patent_app_country] => US [patent_app_date] => 1998-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2721 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/975/05975843.pdf [firstpage_image] =>[orig_patent_app_number] => 127868 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/127868
Fluid supply device having irregular vane grooves Aug 2, 1998 Issued
Array ( [id] => 4384513 [patent_doc_number] => 06296441 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-02 [patent_title] => 'Compressors' [patent_app_type] => 1 [patent_app_number] => 9/128377 [patent_app_country] => US [patent_app_date] => 1998-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2430 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/296/06296441.pdf [firstpage_image] =>[orig_patent_app_number] => 128377 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/128377
Compressors Aug 2, 1998 Issued
09/117648 COMPRESSORS Aug 2, 1998 Abandoned
Array ( [id] => 4068049 [patent_doc_number] => 06016656 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Hydraulic control device' [patent_app_type] => 1 [patent_app_number] => 9/117633 [patent_app_country] => US [patent_app_date] => 1998-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3657 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/016/06016656.pdf [firstpage_image] =>[orig_patent_app_number] => 117633 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/117633
Hydraulic control device Jul 30, 1998 Issued
Array ( [id] => 4149062 [patent_doc_number] => 06082244 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-04 [patent_title] => 'Piston pump' [patent_app_type] => 1 [patent_app_number] => 9/124913 [patent_app_country] => US [patent_app_date] => 1998-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4013 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/082/06082244.pdf [firstpage_image] =>[orig_patent_app_number] => 124913 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124913
Piston pump Jul 29, 1998 Issued
Array ( [id] => 4030662 [patent_doc_number] => 05967746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Gas turbine interstage portion seal device' [patent_app_type] => 1 [patent_app_number] => 9/124058 [patent_app_country] => US [patent_app_date] => 1998-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1784 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/967/05967746.pdf [firstpage_image] =>[orig_patent_app_number] => 124058 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124058
Gas turbine interstage portion seal device Jul 28, 1998 Issued
Array ( [id] => 4188394 [patent_doc_number] => 06109036 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Sealed hydraulic intensifier' [patent_app_type] => 1 [patent_app_number] => 9/124924 [patent_app_country] => US [patent_app_date] => 1998-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5469 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/109/06109036.pdf [firstpage_image] =>[orig_patent_app_number] => 124924 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124924
Sealed hydraulic intensifier Jul 28, 1998 Issued
Array ( [id] => 4194245 [patent_doc_number] => 06077042 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Helicopter rotor brake' [patent_app_type] => 1 [patent_app_number] => 9/124189 [patent_app_country] => US [patent_app_date] => 1998-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1882 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/077/06077042.pdf [firstpage_image] =>[orig_patent_app_number] => 124189 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124189
Helicopter rotor brake Jul 27, 1998 Issued
Array ( [id] => 4194105 [patent_doc_number] => 06077032 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Housing assembly for a vacuum cleaner' [patent_app_type] => 1 [patent_app_number] => 9/118128 [patent_app_country] => US [patent_app_date] => 1998-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2666 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/077/06077032.pdf [firstpage_image] =>[orig_patent_app_number] => 118128 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/118128
Housing assembly for a vacuum cleaner Jul 15, 1998 Issued
Array ( [id] => 4142259 [patent_doc_number] => 06113351 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-05 [patent_title] => 'Variable pitch fan' [patent_app_type] => 1 [patent_app_number] => 9/116518 [patent_app_country] => US [patent_app_date] => 1998-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2703 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/113/06113351.pdf [firstpage_image] =>[orig_patent_app_number] => 116518 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/116518
Variable pitch fan Jul 15, 1998 Issued
Array ( [id] => 4140592 [patent_doc_number] => 06102662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Blade with shielding for enhanced protection against lighting, for rotorcraft rotor' [patent_app_type] => 1 [patent_app_number] => 9/115538 [patent_app_country] => US [patent_app_date] => 1998-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 17 [patent_no_of_words] => 13410 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/102/06102662.pdf [firstpage_image] =>[orig_patent_app_number] => 115538 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/115538
Blade with shielding for enhanced protection against lighting, for rotorcraft rotor Jul 14, 1998 Issued
08/817288 CONTROL APPARATUS FOR CONSTRUCTION MACHINE Jul 10, 1998 Abandoned
Array ( [id] => 3927120 [patent_doc_number] => 05975845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Turbomachinery abradable seal' [patent_app_type] => 1 [patent_app_number] => 8/849568 [patent_app_country] => US [patent_app_date] => 1998-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3485 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/975/05975845.pdf [firstpage_image] =>[orig_patent_app_number] => 849568 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/849568
Turbomachinery abradable seal Jul 9, 1998 Issued
Array ( [id] => 3977317 [patent_doc_number] => 05984639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Blade retention apparatus for gas turbine rotor' [patent_app_type] => 1 [patent_app_number] => 9/112228 [patent_app_country] => US [patent_app_date] => 1998-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1200 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/984/05984639.pdf [firstpage_image] =>[orig_patent_app_number] => 112228 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/112228
Blade retention apparatus for gas turbine rotor Jul 8, 1998 Issued
Array ( [id] => 4186436 [patent_doc_number] => 06026642 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Torque converter adapter system' [patent_app_type] => 1 [patent_app_number] => 9/113034 [patent_app_country] => US [patent_app_date] => 1998-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1805 [patent_no_of_claims] => 6 [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/06/026/06026642.pdf [firstpage_image] =>[orig_patent_app_number] => 113034 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/113034
Torque converter adapter system Jul 8, 1998 Issued
Menu