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] => 4387144 [patent_doc_number] => 06278091 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Removable cloth sleeve with incorporated heating coil' [patent_app_type] => 1 [patent_app_number] => 9/591652 [patent_app_country] => US [patent_app_date] => 2000-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2160 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/278/06278091.pdf [firstpage_image] =>[orig_patent_app_number] => 591652 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/591652
Removable cloth sleeve with incorporated heating coil Jun 9, 2000 Issued
Array ( [id] => 4426706 [patent_doc_number] => 06226312 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Device to cool and protect a cathode in an electric arc furnace' [patent_app_type] => 1 [patent_app_number] => 9/588017 [patent_app_country] => US [patent_app_date] => 2000-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1890 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/226/06226312.pdf [firstpage_image] =>[orig_patent_app_number] => 588017 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/588017
Device to cool and protect a cathode in an electric arc furnace Jun 5, 2000 Issued
Array ( [id] => 4325615 [patent_doc_number] => 06331695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-18 [patent_title] => 'Thermal warming blanket for patient temperature management' [patent_app_type] => 1 [patent_app_number] => 9/588393 [patent_app_country] => US [patent_app_date] => 2000-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 2312 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/331/06331695.pdf [firstpage_image] =>[orig_patent_app_number] => 588393 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/588393
Thermal warming blanket for patient temperature management Jun 5, 2000 Issued
09/587618 Snow melting apparatus Jun 4, 2000 Abandoned
Array ( [id] => 4300183 [patent_doc_number] => 06184496 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Driveway, walkway and roof snow and ice melting mat' [patent_app_type] => 1 [patent_app_number] => 9/583682 [patent_app_country] => US [patent_app_date] => 2000-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 5870 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184496.pdf [firstpage_image] =>[orig_patent_app_number] => 583682 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/583682
Driveway, walkway and roof snow and ice melting mat May 30, 2000 Issued
Array ( [id] => 1567911 [patent_doc_number] => 06339610 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-15 [patent_title] => 'Glass melting tank and process for melting glass' [patent_app_type] => B1 [patent_app_number] => 09/579544 [patent_app_country] => US [patent_app_date] => 2000-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3441 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/339/06339610.pdf [firstpage_image] =>[orig_patent_app_number] => 09579544 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/579544
Glass melting tank and process for melting glass May 25, 2000 Issued
Array ( [id] => 4311300 [patent_doc_number] => 06185242 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Integral side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace' [patent_app_type] => 1 [patent_app_number] => 9/578103 [patent_app_country] => US [patent_app_date] => 2000-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 1700 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 564 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/185/06185242.pdf [firstpage_image] =>[orig_patent_app_number] => 578103 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/578103
Integral side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace May 23, 2000 Issued
Array ( [id] => 1443207 [patent_doc_number] => 06335945 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-01 [patent_title] => 'Electric ARC low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid' [patent_app_type] => B1 [patent_app_number] => 09/554916 [patent_app_country] => US [patent_app_date] => 2000-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2068 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/335/06335945.pdf [firstpage_image] =>[orig_patent_app_number] => 09554916 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/554916
Electric ARC low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid May 21, 2000 Issued
Array ( [id] => 4299786 [patent_doc_number] => 06269112 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-31 [patent_title] => 'Electric arc furnace for continuous charging with ferrous materials and semicontinuous tapping of molten steel' [patent_app_type] => 1 [patent_app_number] => 9/572243 [patent_app_country] => US [patent_app_date] => 2000-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3287 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/269/06269112.pdf [firstpage_image] =>[orig_patent_app_number] => 572243 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/572243
Electric arc furnace for continuous charging with ferrous materials and semicontinuous tapping of molten steel May 16, 2000 Issued
Array ( [id] => 1478733 [patent_doc_number] => 06344638 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-05 [patent_title] => 'Method for the disinfection of medical waste in a continuous manner' [patent_app_type] => B1 [patent_app_number] => 09/571783 [patent_app_country] => US [patent_app_date] => 2000-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 8633 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/344/06344638.pdf [firstpage_image] =>[orig_patent_app_number] => 09571783 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/571783
Method for the disinfection of medical waste in a continuous manner May 15, 2000 Issued
Array ( [id] => 4253522 [patent_doc_number] => 06222165 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-24 [patent_title] => 'Electrical sleeve heater' [patent_app_type] => 1 [patent_app_number] => 9/565525 [patent_app_country] => US [patent_app_date] => 2000-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 1422 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/222/06222165.pdf [firstpage_image] =>[orig_patent_app_number] => 565525 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/565525
Electrical sleeve heater May 4, 2000 Issued
Array ( [id] => 4365082 [patent_doc_number] => 06255623 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Surface heating system formed by a fluid-conducting inner pipe surrounded by a heat-destructible sheathing tube structure' [patent_app_type] => 1 [patent_app_number] => 9/564026 [patent_app_country] => US [patent_app_date] => 2000-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1258 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/255/06255623.pdf [firstpage_image] =>[orig_patent_app_number] => 564026 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/564026
Surface heating system formed by a fluid-conducting inner pipe surrounded by a heat-destructible sheathing tube structure May 3, 2000 Issued
Array ( [id] => 4372373 [patent_doc_number] => 06274853 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Heating resistor, heating resistor for use in ceramic heater, and ceramic heater using the same' [patent_app_type] => 1 [patent_app_number] => 9/563435 [patent_app_country] => US [patent_app_date] => 2000-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6925 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/274/06274853.pdf [firstpage_image] =>[orig_patent_app_number] => 563435 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/563435
Heating resistor, heating resistor for use in ceramic heater, and ceramic heater using the same May 2, 2000 Issued
Array ( [id] => 4332388 [patent_doc_number] => 06249538 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-19 [patent_title] => 'Cooling device with panels for electric arc furnace' [patent_app_type] => 1 [patent_app_number] => 9/508273 [patent_app_country] => US [patent_app_date] => 2000-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 4044 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/249/06249538.pdf [firstpage_image] =>[orig_patent_app_number] => 508273 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/508273
Cooling device with panels for electric arc furnace Apr 27, 2000 Issued
Array ( [id] => 4421011 [patent_doc_number] => 06229838 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Electric arc furnace for the production of steel and method of operating this furnace' [patent_app_type] => 1 [patent_app_number] => 9/560895 [patent_app_country] => US [patent_app_date] => 2000-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2277 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/229/06229838.pdf [firstpage_image] =>[orig_patent_app_number] => 560895 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/560895
Electric arc furnace for the production of steel and method of operating this furnace Apr 27, 2000 Issued
Array ( [id] => 4277012 [patent_doc_number] => 06323468 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Static coil apparatus and method for welding thermoplastic composite structures' [patent_app_type] => 1 [patent_app_number] => 9/557883 [patent_app_country] => US [patent_app_date] => 2000-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 9866 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/323/06323468.pdf [firstpage_image] =>[orig_patent_app_number] => 557883 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/557883
Static coil apparatus and method for welding thermoplastic composite structures Apr 24, 2000 Issued
Array ( [id] => 4304245 [patent_doc_number] => 06212218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Reusable lance with consumable refractory tip' [patent_app_type] => 1 [patent_app_number] => 9/558134 [patent_app_country] => US [patent_app_date] => 2000-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4678 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/212/06212218.pdf [firstpage_image] =>[orig_patent_app_number] => 558134 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/558134
Reusable lance with consumable refractory tip Apr 24, 2000 Issued
Array ( [id] => 1537034 [patent_doc_number] => 06337471 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-08 [patent_title] => 'Combined superplastic forming and adhesive bonding' [patent_app_type] => B1 [patent_app_number] => 09/556752 [patent_app_country] => US [patent_app_date] => 2000-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 7511 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/337/06337471.pdf [firstpage_image] =>[orig_patent_app_number] => 09556752 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/556752
Combined superplastic forming and adhesive bonding Apr 20, 2000 Issued
Array ( [id] => 1441865 [patent_doc_number] => 06335517 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-01 [patent_title] => 'Humidifier having induction heating system' [patent_app_type] => B1 [patent_app_number] => 09/553190 [patent_app_country] => US [patent_app_date] => 2000-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 3193 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/335/06335517.pdf [firstpage_image] =>[orig_patent_app_number] => 09553190 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/553190
Humidifier having induction heating system Apr 19, 2000 Issued
Array ( [id] => 4413547 [patent_doc_number] => 06265698 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Overheating protector for heaters' [patent_app_type] => 1 [patent_app_number] => 9/552007 [patent_app_country] => US [patent_app_date] => 2000-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1071 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/265/06265698.pdf [firstpage_image] =>[orig_patent_app_number] => 552007 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/552007
Overheating protector for heaters Apr 18, 2000 Issued
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