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] => 4340475 [patent_doc_number] => 06330270 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-11 [patent_title] => 'Method for weighing electrodes in electric smelting furnaces' [patent_app_type] => 1 [patent_app_number] => 9/646731 [patent_app_country] => US [patent_app_date] => 2000-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2142 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/330/06330270.pdf [firstpage_image] =>[orig_patent_app_number] => 646731 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/646731
Method for weighing electrodes in electric smelting furnaces Sep 18, 2000 Issued
Array ( [id] => 4319442 [patent_doc_number] => 06327296 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Cooled roof for electric arc furnaces and ladle furnaces' [patent_app_type] => 1 [patent_app_number] => 9/601574 [patent_app_country] => US [patent_app_date] => 2000-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5294 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/327/06327296.pdf [firstpage_image] =>[orig_patent_app_number] => 601574 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/601574
Cooled roof for electric arc furnaces and ladle furnaces Sep 7, 2000 Issued
Array ( [id] => 656363 [patent_doc_number] => 07109842 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-09-19 [patent_title] => 'Robust fluid flow and property microsensor made of optimal material' [patent_app_type] => utility [patent_app_number] => 09/656694 [patent_app_country] => US [patent_app_date] => 2000-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4639 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/109/07109842.pdf [firstpage_image] =>[orig_patent_app_number] => 09656694 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/656694
Robust fluid flow and property microsensor made of optimal material Sep 6, 2000 Issued
Array ( [id] => 4420582 [patent_doc_number] => 06301285 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Arc furnace fume collection method' [patent_app_type] => 1 [patent_app_number] => 9/654630 [patent_app_country] => US [patent_app_date] => 2000-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 30 [patent_no_of_words] => 15141 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/301/06301285.pdf [firstpage_image] =>[orig_patent_app_number] => 654630 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/654630
Arc furnace fume collection method Sep 4, 2000 Issued
Array ( [id] => 4296483 [patent_doc_number] => 06236028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Gas sensor with ceramic heater' [patent_app_type] => 1 [patent_app_number] => 9/651316 [patent_app_country] => US [patent_app_date] => 2000-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 33 [patent_no_of_words] => 7466 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/236/06236028.pdf [firstpage_image] =>[orig_patent_app_number] => 651316 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/651316
Gas sensor with ceramic heater Aug 30, 2000 Issued
Array ( [id] => 4395058 [patent_doc_number] => 06295309 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Vacuum arc remelting apparatus and process' [patent_app_type] => 1 [patent_app_number] => 9/651962 [patent_app_country] => US [patent_app_date] => 2000-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 2771 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/295/06295309.pdf [firstpage_image] =>[orig_patent_app_number] => 651962 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/651962
Vacuum arc remelting apparatus and process Aug 30, 2000 Issued
Array ( [id] => 1552533 [patent_doc_number] => 06347110 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-12 [patent_title] => 'Charging device for low blast furnaces' [patent_app_type] => B1 [patent_app_number] => 09/622274 [patent_app_country] => US [patent_app_date] => 2000-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3268 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/347/06347110.pdf [firstpage_image] =>[orig_patent_app_number] => 09622274 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/622274
Charging device for low blast furnaces Aug 29, 2000 Issued
Array ( [id] => 4284629 [patent_doc_number] => 06307874 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Expansion loops for heating elements in vacuum furnaces' [patent_app_type] => 1 [patent_app_number] => 9/648249 [patent_app_country] => US [patent_app_date] => 2000-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1771 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/307/06307874.pdf [firstpage_image] =>[orig_patent_app_number] => 648249 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/648249
Expansion loops for heating elements in vacuum furnaces Aug 24, 2000 Issued
Array ( [id] => 1523588 [patent_doc_number] => 06414982 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-02 [patent_title] => 'Device for melting and/or refining inorganic compounds' [patent_app_type] => B1 [patent_app_number] => 09/641992 [patent_app_country] => US [patent_app_date] => 2000-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1626 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/414/06414982.pdf [firstpage_image] =>[orig_patent_app_number] => 09641992 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/641992
Device for melting and/or refining inorganic compounds Aug 17, 2000 Issued
Array ( [id] => 4387251 [patent_doc_number] => 06278099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Cooling structure for ventilation-hooded microwave ovens' [patent_app_type] => 1 [patent_app_number] => 9/633787 [patent_app_country] => US [patent_app_date] => 2000-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3785 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/278/06278099.pdf [firstpage_image] =>[orig_patent_app_number] => 633787 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/633787
Cooling structure for ventilation-hooded microwave ovens Aug 6, 2000 Issued
Array ( [id] => 4274343 [patent_doc_number] => 06307193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Cooking vessel with adjustable ventilation system' [patent_app_type] => 1 [patent_app_number] => 9/631111 [patent_app_country] => US [patent_app_date] => 2000-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 5584 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/307/06307193.pdf [firstpage_image] =>[orig_patent_app_number] => 631111 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/631111
Cooking vessel with adjustable ventilation system Aug 1, 2000 Issued
Array ( [id] => 1570690 [patent_doc_number] => 06377603 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'System for the assembly of a self-baking composite electrode for electric arc furnaces' [patent_app_type] => B1 [patent_app_number] => 09/624767 [patent_app_country] => US [patent_app_date] => 2000-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1218 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/377/06377603.pdf [firstpage_image] =>[orig_patent_app_number] => 09624767 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/624767
System for the assembly of a self-baking composite electrode for electric arc furnaces Jul 24, 2000 Issued
Array ( [id] => 1570688 [patent_doc_number] => 06377602 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'Method and device to feed premixed gas to tuyeres of electric arc furnaces' [patent_app_type] => B1 [patent_app_number] => 09/600896 [patent_app_country] => US [patent_app_date] => 2000-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2255 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/377/06377602.pdf [firstpage_image] =>[orig_patent_app_number] => 09600896 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/600896
Method and device to feed premixed gas to tuyeres of electric arc furnaces Jul 23, 2000 Issued
Array ( [id] => 4394884 [patent_doc_number] => 06304590 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Formation of metal wire' [patent_app_type] => 1 [patent_app_number] => 9/613483 [patent_app_country] => US [patent_app_date] => 2000-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2643 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/304/06304590.pdf [firstpage_image] =>[orig_patent_app_number] => 613483 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/613483
Formation of metal wire Jul 10, 2000 Issued
Array ( [id] => 4386634 [patent_doc_number] => 06294770 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Reticulate heater' [patent_app_type] => 1 [patent_app_number] => 9/611950 [patent_app_country] => US [patent_app_date] => 2000-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7815 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/294/06294770.pdf [firstpage_image] =>[orig_patent_app_number] => 611950 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/611950
Reticulate heater Jul 5, 2000 Issued
Array ( [id] => 1483280 [patent_doc_number] => 06452957 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-17 [patent_title] => 'Sintered shaped body reinforced with platelets' [patent_app_type] => B1 [patent_app_number] => 09/509839 [patent_app_country] => US [patent_app_date] => 2000-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5334 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/452/06452957.pdf [firstpage_image] =>[orig_patent_app_number] => 09509839 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/509839
Sintered shaped body reinforced with platelets Jul 5, 2000 Issued
Array ( [id] => 1486558 [patent_doc_number] => 06365882 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-02 [patent_title] => 'Thin heating element made from low resistance material' [patent_app_type] => B1 [patent_app_number] => 09/582592 [patent_app_country] => US [patent_app_date] => 2000-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1909 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/365/06365882.pdf [firstpage_image] =>[orig_patent_app_number] => 09582592 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/582592
Thin heating element made from low resistance material Jun 27, 2000 Issued
Array ( [id] => 4419801 [patent_doc_number] => 06240120 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Inductive melting of fine metallic particles' [patent_app_type] => 1 [patent_app_number] => 9/582298 [patent_app_country] => US [patent_app_date] => 2000-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2049 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/240/06240120.pdf [firstpage_image] =>[orig_patent_app_number] => 582298 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/582298
Inductive melting of fine metallic particles Jun 21, 2000 Issued
Array ( [id] => 1507747 [patent_doc_number] => 06466605 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-15 [patent_title] => 'Concentric electrode DC arc system and their use in processing waste materials' [patent_app_type] => B1 [patent_app_number] => 09/597497 [patent_app_country] => US [patent_app_date] => 2000-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 11928 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/466/06466605.pdf [firstpage_image] =>[orig_patent_app_number] => 09597497 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/597497
Concentric electrode DC arc system and their use in processing waste materials Jun 19, 2000 Issued
Array ( [id] => 1451892 [patent_doc_number] => 06455809 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Resin windows having electrically conductive terminals' [patent_app_type] => B1 [patent_app_number] => 09/592492 [patent_app_country] => US [patent_app_date] => 2000-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 4035 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/455/06455809.pdf [firstpage_image] =>[orig_patent_app_number] => 09592492 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/592492
Resin windows having electrically conductive terminals Jun 11, 2000 Issued
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