Search

Tu Ba Hoang

Supervisory Patent Examiner (ID: 2828, Phone: (571)272-4780 , Office: P/3742 )

Most Active Art Unit
3761
Art Unit(s)
2832, 3742, 3761, 2106
Total Applications
2049
Issued Applications
1536
Pending Applications
181
Abandoned Applications
331

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4027409 [patent_doc_number] => 05963579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Method of heating a molten metal in a continuous casting tundish using a plasma torch, and tundish for its implementation' [patent_app_type] => 1 [patent_app_number] => 9/132515 [patent_app_country] => US [patent_app_date] => 1998-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3406 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/963/05963579.pdf [firstpage_image] =>[orig_patent_app_number] => 132515 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/132515
Method of heating a molten metal in a continuous casting tundish using a plasma torch, and tundish for its implementation Aug 10, 1998 Issued
Array ( [id] => 4156682 [patent_doc_number] => 06031861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-29 [patent_title] => 'Electrode and cooling element for a metallurgical vessel' [patent_app_type] => 1 [patent_app_number] => 9/117967 [patent_app_country] => US [patent_app_date] => 1998-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4840 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/031/06031861.pdf [firstpage_image] =>[orig_patent_app_number] => 117967 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/117967
Electrode and cooling element for a metallurgical vessel Aug 6, 1998 Issued
Array ( [id] => 4100935 [patent_doc_number] => 06097019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-01 [patent_title] => 'Radiation control system' [patent_app_type] => 1 [patent_app_number] => 9/129708 [patent_app_country] => US [patent_app_date] => 1998-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 17631 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/097/06097019.pdf [firstpage_image] =>[orig_patent_app_number] => 129708 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/129708
Radiation control system Aug 4, 1998 Issued
Array ( [id] => 4188683 [patent_doc_number] => 06150645 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Radiation control system' [patent_app_type] => 1 [patent_app_number] => 9/129505 [patent_app_country] => US [patent_app_date] => 1998-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 17630 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/150/06150645.pdf [firstpage_image] =>[orig_patent_app_number] => 129505 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/129505
Radiation control system Aug 4, 1998 Issued
Array ( [id] => 4013882 [patent_doc_number] => 05987052 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Method to control the power supply for electric arc furnaces' [patent_app_type] => 1 [patent_app_number] => 9/124838 [patent_app_country] => US [patent_app_date] => 1998-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2646 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/987/05987052.pdf [firstpage_image] =>[orig_patent_app_number] => 124838 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124838
Method to control the power supply for electric arc furnaces Jul 29, 1998 Issued
Array ( [id] => 4086086 [patent_doc_number] => 06054695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Apparatus for condensing gases within a microwave radiation field' [patent_app_type] => 1 [patent_app_number] => 9/124827 [patent_app_country] => US [patent_app_date] => 1998-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3237 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/054/06054695.pdf [firstpage_image] =>[orig_patent_app_number] => 124827 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124827
Apparatus for condensing gases within a microwave radiation field Jul 29, 1998 Issued
09/122150 MATCH HEAD CERAMIC IGNITER AND METHOD OF USING SAME Jul 23, 1998 Issued
09/119886 INSTANTANEOUS FLUID HEATING DEVICE PROCESS Jul 20, 1998 Abandoned
Array ( [id] => 3952661 [patent_doc_number] => 05977517 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Electrically heated vest' [patent_app_type] => 1 [patent_app_number] => 9/112948 [patent_app_country] => US [patent_app_date] => 1998-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2341 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/977/05977517.pdf [firstpage_image] =>[orig_patent_app_number] => 112948 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/112948
Electrically heated vest Jul 8, 1998 Issued
Array ( [id] => 4210456 [patent_doc_number] => 06014403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Induction furnaces for the synthesis of glasses' [patent_app_type] => 1 [patent_app_number] => 9/108626 [patent_app_country] => US [patent_app_date] => 1998-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1233 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014403.pdf [firstpage_image] =>[orig_patent_app_number] => 108626 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/108626
Induction furnaces for the synthesis of glasses Jun 30, 1998 Issued
Array ( [id] => 3940355 [patent_doc_number] => 05946448 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Methods of assembling immersion heaters with heating elements in the form of printed circuit tracks' [patent_app_type] => 1 [patent_app_number] => 9/106365 [patent_app_country] => US [patent_app_date] => 1998-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4655 [patent_no_of_claims] => 21 [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/05/946/05946448.pdf [firstpage_image] =>[orig_patent_app_number] => 106365 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/106365
Methods of assembling immersion heaters with heating elements in the form of printed circuit tracks Jun 28, 1998 Issued
Array ( [id] => 4210442 [patent_doc_number] => 06014402 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Electric resistance melting furnace' [patent_app_type] => 1 [patent_app_number] => 9/100039 [patent_app_country] => US [patent_app_date] => 1998-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2647 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014402.pdf [firstpage_image] =>[orig_patent_app_number] => 100039 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/100039
Electric resistance melting furnace Jun 18, 1998 Issued
Array ( [id] => 4193042 [patent_doc_number] => 06038247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Graphitizing electric furnace' [patent_app_type] => 1 [patent_app_number] => 9/089354 [patent_app_country] => US [patent_app_date] => 1998-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3478 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/038/06038247.pdf [firstpage_image] =>[orig_patent_app_number] => 089354 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/089354
Graphitizing electric furnace Jun 2, 1998 Issued
Array ( [id] => 4203021 [patent_doc_number] => 06013906 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Operating condition setting type microwave oven' [patent_app_type] => 1 [patent_app_number] => 9/079201 [patent_app_country] => US [patent_app_date] => 1998-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3323 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/013/06013906.pdf [firstpage_image] =>[orig_patent_app_number] => 079201 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/079201
Operating condition setting type microwave oven May 14, 1998 Issued
Array ( [id] => 4193013 [patent_doc_number] => 06038245 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Process for melting a charge in an electrical arc furnace' [patent_app_type] => 1 [patent_app_number] => 9/068450 [patent_app_country] => US [patent_app_date] => 1998-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4076 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/038/06038245.pdf [firstpage_image] =>[orig_patent_app_number] => 068450 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/068450
Process for melting a charge in an electrical arc furnace May 7, 1998 Issued
Array ( [id] => 4413601 [patent_doc_number] => 06229126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Induction heating system with a flexible coil' [patent_app_type] => 1 [patent_app_number] => 9/072887 [patent_app_country] => US [patent_app_date] => 1998-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4114 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/229/06229126.pdf [firstpage_image] =>[orig_patent_app_number] => 072887 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/072887
Induction heating system with a flexible coil May 4, 1998 Issued
Array ( [id] => 3954914 [patent_doc_number] => 05974076 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Apparatus for activation of carbonaceous char or reactivation of spent carbon by electrical resistance heating' [patent_app_type] => 1 [patent_app_number] => 9/072071 [patent_app_country] => US [patent_app_date] => 1998-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3185 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/974/05974076.pdf [firstpage_image] =>[orig_patent_app_number] => 072071 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/072071
Apparatus for activation of carbonaceous char or reactivation of spent carbon by electrical resistance heating May 3, 1998 Issued
Array ( [id] => 3951977 [patent_doc_number] => 05998771 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Heat dispensing ball caddy' [patent_app_type] => 1 [patent_app_number] => 9/072516 [patent_app_country] => US [patent_app_date] => 1998-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3323 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998771.pdf [firstpage_image] =>[orig_patent_app_number] => 072516 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/072516
Heat dispensing ball caddy May 3, 1998 Issued
Array ( [id] => 3952033 [patent_doc_number] => 05998775 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Microwave oven having a cooking chamber reflecting microwaves at varying angles' [patent_app_type] => 1 [patent_app_number] => 9/066549 [patent_app_country] => US [patent_app_date] => 1998-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4085 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998775.pdf [firstpage_image] =>[orig_patent_app_number] => 066549 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/066549
Microwave oven having a cooking chamber reflecting microwaves at varying angles Apr 26, 1998 Issued
Array ( [id] => 4028575 [patent_doc_number] => 05942144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Door for microwave oven' [patent_app_type] => 1 [patent_app_number] => 9/066716 [patent_app_country] => US [patent_app_date] => 1998-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2386 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/942/05942144.pdf [firstpage_image] =>[orig_patent_app_number] => 066716 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/066716
Door for microwave oven Apr 26, 1998 Issued
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