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] => 3766147 [patent_doc_number] => 05852284 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Insulating glass with capacitively coupled heating system' [patent_app_type] => 1 [patent_app_number] => 8/779470 [patent_app_country] => US [patent_app_date] => 1997-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5804 [patent_no_of_claims] => 21 [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/05/852/05852284.pdf [firstpage_image] =>[orig_patent_app_number] => 779470 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/779470
Insulating glass with capacitively coupled heating system Jan 6, 1997 Issued
Array ( [id] => 3873439 [patent_doc_number] => 05837978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Radiation control system' [patent_app_type] => 1 [patent_app_number] => 8/770213 [patent_app_country] => US [patent_app_date] => 1996-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 15430 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/837/05837978.pdf [firstpage_image] =>[orig_patent_app_number] => 770213 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/770213
Radiation control system Dec 18, 1996 Issued
Array ( [id] => 3814458 [patent_doc_number] => 05811767 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-22 [patent_title] => 'Three wire, three-phase heating cable and system' [patent_app_type] => 1 [patent_app_number] => 8/767326 [patent_app_country] => US [patent_app_date] => 1996-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 9815 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 400 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/811/05811767.pdf [firstpage_image] =>[orig_patent_app_number] => 767326 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/767326
Three wire, three-phase heating cable and system Dec 15, 1996 Issued
Array ( [id] => 3981883 [patent_doc_number] => 05887015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Heater mechanism for crystal pulling apparatus' [patent_app_type] => 1 [patent_app_number] => 8/763883 [patent_app_country] => US [patent_app_date] => 1996-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2250 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/887/05887015.pdf [firstpage_image] =>[orig_patent_app_number] => 763883 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/763883
Heater mechanism for crystal pulling apparatus Dec 10, 1996 Issued
Array ( [id] => 3790916 [patent_doc_number] => 05809055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-15 [patent_title] => 'Metallurgical vessel heated by direct current and having a bottom electrode' [patent_app_type] => 1 [patent_app_number] => 8/716196 [patent_app_country] => US [patent_app_date] => 1996-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1398 [patent_no_of_claims] => 16 [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/05/809/05809055.pdf [firstpage_image] =>[orig_patent_app_number] => 716196 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/716196
Metallurgical vessel heated by direct current and having a bottom electrode Dec 4, 1996 Issued
Array ( [id] => 3948741 [patent_doc_number] => 05940427 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Crucible induction furnace with at least two coils connected in parallel to a tuned circuit converter' [patent_app_type] => 1 [patent_app_number] => 8/702447 [patent_app_country] => US [patent_app_date] => 1996-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2070 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/940/05940427.pdf [firstpage_image] =>[orig_patent_app_number] => 702447 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/702447
Crucible induction furnace with at least two coils connected in parallel to a tuned circuit converter Nov 20, 1996 Issued
08/749916 CONCENTRIC ELECTRODE DC ARC SYSTEMS AND THEIR USE IN PROCESSING WASTE MATERIALS Nov 13, 1996 Abandoned
Array ( [id] => 3916904 [patent_doc_number] => 05751897 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-12 [patent_title] => 'System for photopyrolitically removing a contaminant' [patent_app_type] => 1 [patent_app_number] => 8/748185 [patent_app_country] => US [patent_app_date] => 1996-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7061 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/751/05751897.pdf [firstpage_image] =>[orig_patent_app_number] => 748185 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/748185
System for photopyrolitically removing a contaminant Nov 11, 1996 Issued
Array ( [id] => 3781061 [patent_doc_number] => 05818016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Food trays and the like having press-applied coatings' [patent_app_type] => 1 [patent_app_number] => 8/747219 [patent_app_country] => US [patent_app_date] => 1996-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 19 [patent_no_of_words] => 4300 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/818/05818016.pdf [firstpage_image] =>[orig_patent_app_number] => 747219 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/747219
Food trays and the like having press-applied coatings Nov 11, 1996 Issued
Array ( [id] => 3903865 [patent_doc_number] => 05778144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-07 [patent_title] => 'Electric fan heater' [patent_app_type] => 1 [patent_app_number] => 8/748004 [patent_app_country] => US [patent_app_date] => 1996-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1289 [patent_no_of_claims] => 6 [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/05/778/05778144.pdf [firstpage_image] =>[orig_patent_app_number] => 748004 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/748004
Electric fan heater Nov 11, 1996 Issued
Array ( [id] => 4062447 [patent_doc_number] => 05870423 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'Individual heating element power control for a furnace' [patent_app_type] => 1 [patent_app_number] => 8/746141 [patent_app_country] => US [patent_app_date] => 1996-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3424 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/870/05870423.pdf [firstpage_image] =>[orig_patent_app_number] => 746141 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/746141
Individual heating element power control for a furnace Nov 5, 1996 Issued
Array ( [id] => 3848342 [patent_doc_number] => 05761377 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Tower type portable radiant heater' [patent_app_type] => 1 [patent_app_number] => 8/731922 [patent_app_country] => US [patent_app_date] => 1996-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3553 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/761/05761377.pdf [firstpage_image] =>[orig_patent_app_number] => 731922 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/731922
Tower type portable radiant heater Oct 21, 1996 Issued
Array ( [id] => 4056840 [patent_doc_number] => 05875282 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-23 [patent_title] => 'Medical apparatus for warming patient fluids' [patent_app_type] => 1 [patent_app_number] => 8/729645 [patent_app_country] => US [patent_app_date] => 1996-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4880 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/875/05875282.pdf [firstpage_image] =>[orig_patent_app_number] => 729645 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/729645
Medical apparatus for warming patient fluids Oct 20, 1996 Issued
Array ( [id] => 3707555 [patent_doc_number] => 05677926 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-14 [patent_title] => 'Crucible for the inductive melting of metals' [patent_app_type] => 1 [patent_app_number] => 8/729587 [patent_app_country] => US [patent_app_date] => 1996-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1480 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/677/05677926.pdf [firstpage_image] =>[orig_patent_app_number] => 729587 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/729587
Crucible for the inductive melting of metals Oct 10, 1996 Issued
Array ( [id] => 3792183 [patent_doc_number] => 05757841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Method and apparatus for joining new electrode to consumed electrode of electric furnace' [patent_app_type] => 1 [patent_app_number] => 8/728077 [patent_app_country] => US [patent_app_date] => 1996-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 5414 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/757/05757841.pdf [firstpage_image] =>[orig_patent_app_number] => 728077 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/728077
Method and apparatus for joining new electrode to consumed electrode of electric furnace Oct 8, 1996 Issued
08/727869 ELECTRICAL DEVICES Oct 7, 1996 Abandoned
Array ( [id] => 4020858 [patent_doc_number] => 05889812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Process for the operation of coreless induction melting furnaces or holding furnances and an electrical switching unit suitable for the same' [patent_app_type] => 1 [patent_app_number] => 8/693147 [patent_app_country] => US [patent_app_date] => 1996-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2223 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/889/05889812.pdf [firstpage_image] =>[orig_patent_app_number] => 693147 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/693147
Process for the operation of coreless induction melting furnaces or holding furnances and an electrical switching unit suitable for the same Oct 6, 1996 Issued
Array ( [id] => 3981896 [patent_doc_number] => 05887016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Charging device for arc furnaces' [patent_app_type] => 1 [patent_app_number] => 8/704633 [patent_app_country] => US [patent_app_date] => 1996-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1808 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/887/05887016.pdf [firstpage_image] =>[orig_patent_app_number] => 704633 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/704633
Charging device for arc furnaces Oct 1, 1996 Issued
Array ( [id] => 3981910 [patent_doc_number] => 05887017 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Panelized spray-cooled furnace roof' [patent_app_type] => 1 [patent_app_number] => 8/722362 [patent_app_country] => US [patent_app_date] => 1996-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 1872 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 384 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/887/05887017.pdf [firstpage_image] =>[orig_patent_app_number] => 722362 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/722362
Panelized spray-cooled furnace roof Sep 26, 1996 Issued
Array ( [id] => 4000164 [patent_doc_number] => 05960027 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Apparatus for controlling arc deflection in an arc furnace' [patent_app_type] => 1 [patent_app_number] => 8/710434 [patent_app_country] => US [patent_app_date] => 1996-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 24 [patent_no_of_words] => 9542 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/960/05960027.pdf [firstpage_image] =>[orig_patent_app_number] => 710434 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/710434
Apparatus for controlling arc deflection in an arc furnace Sep 16, 1996 Issued
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