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] => 3916857 [patent_doc_number] => 05898726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-27 [patent_title] => 'Preheater for arc furnaces' [patent_app_type] => 1 [patent_app_number] => 8/930944 [patent_app_country] => US [patent_app_date] => 1997-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5007 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/898/05898726.pdf [firstpage_image] =>[orig_patent_app_number] => 930944 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/930944
Preheater for arc furnaces Oct 1, 1997 Issued
Array ( [id] => 4068382 [patent_doc_number] => 05864576 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-26 [patent_title] => 'Electric furnace' [patent_app_type] => 1 [patent_app_number] => 8/930289 [patent_app_country] => US [patent_app_date] => 1997-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 8724 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/864/05864576.pdf [firstpage_image] =>[orig_patent_app_number] => 930289 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/930289
Electric furnace Sep 30, 1997 Issued
Array ( [id] => 4006137 [patent_doc_number] => 05892790 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Cold crucible induction furnace' [patent_app_type] => 1 [patent_app_number] => 8/939652 [patent_app_country] => US [patent_app_date] => 1997-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3589 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/892/05892790.pdf [firstpage_image] =>[orig_patent_app_number] => 939652 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/939652
Cold crucible induction furnace Sep 28, 1997 Issued
Array ( [id] => 4136214 [patent_doc_number] => 06034352 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Arrangement of a heating device in a vehicle' [patent_app_type] => 1 [patent_app_number] => 8/939143 [patent_app_country] => US [patent_app_date] => 1997-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1917 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/034/06034352.pdf [firstpage_image] =>[orig_patent_app_number] => 939143 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/939143
Arrangement of a heating device in a vehicle Sep 28, 1997 Issued
Array ( [id] => 4020817 [patent_doc_number] => 05889809 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Cooling system for electrodes in D.C. electric arc furnaces' [patent_app_type] => 1 [patent_app_number] => 8/936624 [patent_app_country] => US [patent_app_date] => 1997-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3514 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/889/05889809.pdf [firstpage_image] =>[orig_patent_app_number] => 936624 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/936624
Cooling system for electrodes in D.C. electric arc furnaces Sep 23, 1997 Issued
Array ( [id] => 4200392 [patent_doc_number] => 06160956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-12 [patent_title] => 'Ceiling fan with heating/lighting assembly' [patent_app_type] => 1 [patent_app_number] => 8/931274 [patent_app_country] => US [patent_app_date] => 1997-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 3305 [patent_no_of_claims] => 20 [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/06/160/06160956.pdf [firstpage_image] =>[orig_patent_app_number] => 931274 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/931274
Ceiling fan with heating/lighting assembly Sep 14, 1997 Issued
Array ( [id] => 4000150 [patent_doc_number] => 05960026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Organic waste disposal system' [patent_app_type] => 1 [patent_app_number] => 8/925994 [patent_app_country] => US [patent_app_date] => 1997-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1598 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/960/05960026.pdf [firstpage_image] =>[orig_patent_app_number] => 925994 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/925994
Organic waste disposal system Sep 8, 1997 Issued
Array ( [id] => 4013892 [patent_doc_number] => 05987053 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'High temperature air cooled vacuum furnace' [patent_app_type] => 1 [patent_app_number] => 8/922275 [patent_app_country] => US [patent_app_date] => 1997-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3026 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/987/05987053.pdf [firstpage_image] =>[orig_patent_app_number] => 922275 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/922275
High temperature air cooled vacuum furnace Sep 2, 1997 Issued
Array ( [id] => 3799563 [patent_doc_number] => 05822358 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-13 [patent_title] => 'Method and apparatus for producing self-baking carbon electrode' [patent_app_type] => 1 [patent_app_number] => 8/913515 [patent_app_country] => US [patent_app_date] => 1997-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3854 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/822/05822358.pdf [firstpage_image] =>[orig_patent_app_number] => 913515 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/913515
Method and apparatus for producing self-baking carbon electrode Aug 25, 1997 Issued
Array ( [id] => 3966014 [patent_doc_number] => 05978410 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Method for production of carbon electrodes' [patent_app_type] => 1 [patent_app_number] => 8/913450 [patent_app_country] => US [patent_app_date] => 1997-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3774 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/978/05978410.pdf [firstpage_image] =>[orig_patent_app_number] => 913450 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/913450
Method for production of carbon electrodes Aug 25, 1997 Issued
Array ( [id] => 4107554 [patent_doc_number] => 06100512 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Microwaveable micronodular surface including polypropylene, mica and talc' [patent_app_type] => 1 [patent_app_number] => 8/917439 [patent_app_country] => US [patent_app_date] => 1997-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 43 [patent_no_of_words] => 11287 [patent_no_of_claims] => 75 [patent_no_of_ind_claims] => 19 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/100/06100512.pdf [firstpage_image] =>[orig_patent_app_number] => 917439 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/917439
Microwaveable micronodular surface including polypropylene, mica and talc Aug 18, 1997 Issued
Array ( [id] => 4040618 [patent_doc_number] => 05968400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Tandem microwave waste remediation and decontamination system' [patent_app_type] => 1 [patent_app_number] => 8/911411 [patent_app_country] => US [patent_app_date] => 1997-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3751 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/968/05968400.pdf [firstpage_image] =>[orig_patent_app_number] => 911411 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/911411
Tandem microwave waste remediation and decontamination system Aug 13, 1997 Issued
Array ( [id] => 3943352 [patent_doc_number] => 05973308 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Efficient dielectric heater' [patent_app_type] => 1 [patent_app_number] => 8/906414 [patent_app_country] => US [patent_app_date] => 1997-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 4274 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/973/05973308.pdf [firstpage_image] =>[orig_patent_app_number] => 906414 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/906414
Efficient dielectric heater Aug 4, 1997 Issued
Array ( [id] => 3995170 [patent_doc_number] => 05862169 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-19 [patent_title] => 'Float glass production' [patent_app_type] => 1 [patent_app_number] => 8/904554 [patent_app_country] => US [patent_app_date] => 1997-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5578 [patent_no_of_claims] => 20 [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/05/862/05862169.pdf [firstpage_image] =>[orig_patent_app_number] => 904554 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/904554
Float glass production Aug 3, 1997 Issued
Array ( [id] => 4062568 [patent_doc_number] => 05895599 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Induction heating device and continuous treatment installation including same' [patent_app_type] => 1 [patent_app_number] => 8/905088 [patent_app_country] => US [patent_app_date] => 1997-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2193 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/895/05895599.pdf [firstpage_image] =>[orig_patent_app_number] => 905088 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/905088
Induction heating device and continuous treatment installation including same Jul 31, 1997 Issued
Array ( [id] => 3941137 [patent_doc_number] => 05878074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-02 [patent_title] => 'Evaporator crucible and improved method for performing electron-beam evaporation' [patent_app_type] => 1 [patent_app_number] => 8/904098 [patent_app_country] => US [patent_app_date] => 1997-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2636 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/878/05878074.pdf [firstpage_image] =>[orig_patent_app_number] => 904098 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/904098
Evaporator crucible and improved method for performing electron-beam evaporation Jul 30, 1997 Issued
Array ( [id] => 4015871 [patent_doc_number] => 05906764 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-25 [patent_title] => 'Method of and apparatus for baking dough' [patent_app_type] => 1 [patent_app_number] => 8/902717 [patent_app_country] => US [patent_app_date] => 1997-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4531 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/906/05906764.pdf [firstpage_image] =>[orig_patent_app_number] => 902717 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/902717
Method of and apparatus for baking dough Jul 29, 1997 Issued
Array ( [id] => 3902584 [patent_doc_number] => 05750962 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-12 [patent_title] => 'Thermal retention device' [patent_app_type] => 1 [patent_app_number] => 8/901826 [patent_app_country] => US [patent_app_date] => 1997-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2119 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/750/05750962.pdf [firstpage_image] =>[orig_patent_app_number] => 901826 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/901826
Thermal retention device Jul 27, 1997 Issued
Array ( [id] => 3767736 [patent_doc_number] => 05852397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Electrical devices' [patent_app_type] => 1 [patent_app_number] => 8/900787 [patent_app_country] => US [patent_app_date] => 1997-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 7604 [patent_no_of_claims] => 55 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/852/05852397.pdf [firstpage_image] =>[orig_patent_app_number] => 900787 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/900787
Electrical devices Jul 24, 1997 Issued
Array ( [id] => 3938590 [patent_doc_number] => 05946339 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Steelmaking process using direct reduction iron' [patent_app_type] => 1 [patent_app_number] => 8/902543 [patent_app_country] => US [patent_app_date] => 1997-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1584 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/946/05946339.pdf [firstpage_image] =>[orig_patent_app_number] => 902543 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/902543
Steelmaking process using direct reduction iron Jul 21, 1997 Issued
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