Search

Tu Ba Hoang

Supervisory Patent Examiner (ID: 6919, Phone: (571)272-4780 , Office: P/3742 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1447896 [patent_doc_number] => 06369370 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-09 [patent_title] => 'Table top with induction heating elements having pole pieces cast in situ' [patent_app_type] => B1 [patent_app_number] => 09/380341 [patent_app_country] => US [patent_app_date] => 1999-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1478 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/369/06369370.pdf [firstpage_image] =>[orig_patent_app_number] => 09380341 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/380341
Table top with induction heating elements having pole pieces cast in situ Oct 13, 1999 Issued
Array ( [id] => 4276148 [patent_doc_number] => 06246035 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-12 [patent_title] => 'Heating device, image forming apparatus including the device and induction heating member included in the device' [patent_app_type] => 1 [patent_app_number] => 9/413332 [patent_app_country] => US [patent_app_date] => 1999-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6594 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/246/06246035.pdf [firstpage_image] =>[orig_patent_app_number] => 413332 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/413332
Heating device, image forming apparatus including the device and induction heating member included in the device Oct 11, 1999 Issued
09/254315 METHOD OF MANUFACTURING A MICROWAVEABLE FLATWARE ARTICLE MADE OF SYNTHETIC MATERIAL, THE ARTICLE PRODUCED THEREBY AND AN INK-IMPRINTED FILM COMPONENT FOR USE IN MAKING THE FLATWARE ARTICLE Oct 11, 1999 Abandoned
Array ( [id] => 4198526 [patent_doc_number] => 06160836 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-12 [patent_title] => 'Electro-smokeless extraction/recovery system' [patent_app_type] => 1 [patent_app_number] => 9/414929 [patent_app_country] => US [patent_app_date] => 1999-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3053 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/160/06160836.pdf [firstpage_image] =>[orig_patent_app_number] => 414929 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/414929
Electro-smokeless extraction/recovery system Oct 11, 1999 Issued
Array ( [id] => 4171796 [patent_doc_number] => 06157667 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Method and calcining furnace for electric calcining of carbonaceous material' [patent_app_type] => 1 [patent_app_number] => 9/402423 [patent_app_country] => US [patent_app_date] => 1999-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2044 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/157/06157667.pdf [firstpage_image] =>[orig_patent_app_number] => 402423 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/402423
Method and calcining furnace for electric calcining of carbonaceous material Oct 4, 1999 Issued
Array ( [id] => 4161804 [patent_doc_number] => 06157004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Electric heating or preheating furnace particularly for lining cylinders and/or for firing metal-ceramic' [patent_app_type] => 1 [patent_app_number] => 9/408044 [patent_app_country] => US [patent_app_date] => 1999-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2105 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/157/06157004.pdf [firstpage_image] =>[orig_patent_app_number] => 408044 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/408044
Electric heating or preheating furnace particularly for lining cylinders and/or for firing metal-ceramic Sep 28, 1999 Issued
Array ( [id] => 4096989 [patent_doc_number] => 06163561 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-19 [patent_title] => 'Cooled basket for steel plants' [patent_app_type] => 1 [patent_app_number] => 9/381914 [patent_app_country] => US [patent_app_date] => 1999-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 22 [patent_no_of_words] => 6827 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/163/06163561.pdf [firstpage_image] =>[orig_patent_app_number] => 381914 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/381914
Cooled basket for steel plants Sep 26, 1999 Issued
Array ( [id] => 4171755 [patent_doc_number] => 06157664 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'System to load pre-heated scrap by means of baskets for electric arc furnace' [patent_app_type] => 1 [patent_app_number] => 9/381912 [patent_app_country] => US [patent_app_date] => 1999-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4709 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/157/06157664.pdf [firstpage_image] =>[orig_patent_app_number] => 381912 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/381912
System to load pre-heated scrap by means of baskets for electric arc furnace Sep 26, 1999 Issued
Array ( [id] => 4171769 [patent_doc_number] => 06157665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Method to load scrap for electric arc furnace and relative system' [patent_app_type] => 1 [patent_app_number] => 9/381913 [patent_app_country] => US [patent_app_date] => 1999-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5822 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/157/06157665.pdf [firstpage_image] =>[orig_patent_app_number] => 381913 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/381913
Method to load scrap for electric arc furnace and relative system Sep 26, 1999 Issued
Array ( [id] => 4252005 [patent_doc_number] => 06144690 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Melting method using cold crucible induction melting apparatus' [patent_app_type] => 1 [patent_app_number] => 9/400995 [patent_app_country] => US [patent_app_date] => 1999-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 10827 [patent_no_of_claims] => 5 [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/06/144/06144690.pdf [firstpage_image] =>[orig_patent_app_number] => 400995 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/400995
Melting method using cold crucible induction melting apparatus Sep 20, 1999 Issued
Array ( [id] => 4264134 [patent_doc_number] => 06204492 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Abuse-tolerant metallic packaging materials for microwave cooking' [patent_app_type] => 1 [patent_app_number] => 9/399182 [patent_app_country] => US [patent_app_date] => 1999-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4499 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/204/06204492.pdf [firstpage_image] =>[orig_patent_app_number] => 399182 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/399182
Abuse-tolerant metallic packaging materials for microwave cooking Sep 19, 1999 Issued
Array ( [id] => 4221412 [patent_doc_number] => 06111236 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Induction hardening apparatus for a crankshaft' [patent_app_type] => 1 [patent_app_number] => 9/398245 [patent_app_country] => US [patent_app_date] => 1999-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 12278 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/111/06111236.pdf [firstpage_image] =>[orig_patent_app_number] => 398245 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/398245
Induction hardening apparatus for a crankshaft Sep 16, 1999 Issued
Array ( [id] => 4171642 [patent_doc_number] => 06104744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Regulation or control of a fusion process in a three-phase current arc furnace' [patent_app_type] => 1 [patent_app_number] => 9/381252 [patent_app_country] => US [patent_app_date] => 1999-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4926 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/104/06104744.pdf [firstpage_image] =>[orig_patent_app_number] => 381252 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/381252
Regulation or control of a fusion process in a three-phase current arc furnace Sep 16, 1999 Issued
Array ( [id] => 1486562 [patent_doc_number] => 06365883 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-02 [patent_title] => 'U-shaped adhesive bonding apparatus' [patent_app_type] => B1 [patent_app_number] => 09/388433 [patent_app_country] => US [patent_app_date] => 1999-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4555 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/365/06365883.pdf [firstpage_image] =>[orig_patent_app_number] => 09388433 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/388433
U-shaped adhesive bonding apparatus Sep 1, 1999 Issued
09/341040 HEATING CABLE AND A METHOD OF MAKING IT Aug 30, 1999 Abandoned
Array ( [id] => 4389047 [patent_doc_number] => 06262403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-17 [patent_title] => 'Apparatus for aligning ends of diffusion bonded materials' [patent_app_type] => 1 [patent_app_number] => 9/382122 [patent_app_country] => US [patent_app_date] => 1999-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 48 [patent_no_of_words] => 15735 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/262/06262403.pdf [firstpage_image] =>[orig_patent_app_number] => 382122 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/382122
Apparatus for aligning ends of diffusion bonded materials Aug 23, 1999 Issued
Array ( [id] => 1476148 [patent_doc_number] => 06388237 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Heater cable in combination with a lead cable' [patent_app_type] => B1 [patent_app_number] => 09/377602 [patent_app_country] => US [patent_app_date] => 1999-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 6765 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/388/06388237.pdf [firstpage_image] =>[orig_patent_app_number] => 09377602 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/377602
Heater cable in combination with a lead cable Aug 18, 1999 Issued
Array ( [id] => 4231600 [patent_doc_number] => 06111908 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'High temperature vacuum heater supporting mechanism with cup shaped shield' [patent_app_type] => 1 [patent_app_number] => 9/375027 [patent_app_country] => US [patent_app_date] => 1999-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3476 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/111/06111908.pdf [firstpage_image] =>[orig_patent_app_number] => 375027 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/375027
High temperature vacuum heater supporting mechanism with cup shaped shield Aug 15, 1999 Issued
Array ( [id] => 4154562 [patent_doc_number] => 06061383 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-09 [patent_title] => 'Method and apparatus for tuning polychlorinated biphenyl to harmless' [patent_app_type] => 1 [patent_app_number] => 9/373602 [patent_app_country] => US [patent_app_date] => 1999-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1964 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/061/06061383.pdf [firstpage_image] =>[orig_patent_app_number] => 373602 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/373602
Method and apparatus for tuning polychlorinated biphenyl to harmless Aug 12, 1999 Issued
Array ( [id] => 4325678 [patent_doc_number] => 06331699 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-18 [patent_title] => 'Microwave heating apparatus requiring reduced power in a standby state' [patent_app_type] => 1 [patent_app_number] => 9/373082 [patent_app_country] => US [patent_app_date] => 1999-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 8033 [patent_no_of_claims] => 16 [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/06/331/06331699.pdf [firstpage_image] =>[orig_patent_app_number] => 373082 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/373082
Microwave heating apparatus requiring reduced power in a standby state Aug 10, 1999 Issued
Menu