
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 4267799
[patent_doc_number] => 06208682
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-03-27
[patent_title] => 'Channel inductor and melt furnace comprising such channel inductor'
[patent_app_type] => 1
[patent_app_number] => 9/446173
[patent_app_country] => US
[patent_app_date] => 1999-12-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 3722
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 107
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/208/06208682.pdf
[firstpage_image] =>[orig_patent_app_number] => 446173
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/446173 | Channel inductor and melt furnace comprising such channel inductor | Dec 15, 1999 | Issued |
Array
(
[id] => 651491
[patent_doc_number] => 07113069
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-09-26
[patent_title] => 'Aligned particle based sensor elements'
[patent_app_type] => utility
[patent_app_number] => 09/600346
[patent_app_country] => US
[patent_app_date] => 1999-11-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 6500
[patent_no_of_claims] => 33
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[patent_words_short_claim] => 97
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/113/07113069.pdf
[firstpage_image] =>[orig_patent_app_number] => 09600346
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/600346 | Aligned particle based sensor elements | Nov 29, 1999 | Issued |
| 09/424931 | SUPPORT FOR COMPUTER POINTING DEVICES | Nov 29, 1999 | Abandoned |
Array
(
[id] => 4252331
[patent_doc_number] => 06137083
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-10-24
[patent_title] => 'Device for heating an aerofoil'
[patent_app_type] => 1
[patent_app_number] => 9/450170
[patent_app_country] => US
[patent_app_date] => 1999-11-29
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/137/06137083.pdf
[firstpage_image] =>[orig_patent_app_number] => 450170
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/450170 | Device for heating an aerofoil | Nov 28, 1999 | Issued |
Array
(
[id] => 7630389
[patent_doc_number] => 06636548
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-10-21
[patent_title] => 'Bottom electrode structure of electric arc furnace'
[patent_app_type] => B1
[patent_app_number] => 09/450928
[patent_app_country] => US
[patent_app_date] => 1999-11-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
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[pdf_file] => patents/06/636/06636548.pdf
[firstpage_image] =>[orig_patent_app_number] => 09450928
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/450928 | Bottom electrode structure of electric arc furnace | Nov 28, 1999 | Issued |
Array
(
[id] => 1562913
[patent_doc_number] => 06362461
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-03-26
[patent_title] => 'Method and device for induction sealing'
[patent_app_type] => B1
[patent_app_number] => 09/367793
[patent_app_country] => US
[patent_app_date] => 1999-11-27
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[pdf_file] => patents/06/362/06362461.pdf
[firstpage_image] =>[orig_patent_app_number] => 09367793
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/367793 | Method and device for induction sealing | Nov 26, 1999 | Issued |
Array
(
[id] => 4369182
[patent_doc_number] => 06201826
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-03-13
[patent_title] => 'Loading system for electric arc furnaces'
[patent_app_type] => 1
[patent_app_number] => 9/424489
[patent_app_country] => US
[patent_app_date] => 1999-11-23
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[pdf_file] => patents/06/201/06201826.pdf
[firstpage_image] =>[orig_patent_app_number] => 424489
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/424489 | Loading system for electric arc furnaces | Nov 22, 1999 | Issued |
Array
(
[id] => 4372402
[patent_doc_number] => 06274855
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-08-14
[patent_title] => 'Heating resistor for ceramic heaters, ceramic heaters and method of manufacturing ceramic heaters'
[patent_app_type] => 1
[patent_app_number] => 9/441207
[patent_app_country] => US
[patent_app_date] => 1999-11-16
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/274/06274855.pdf
[firstpage_image] =>[orig_patent_app_number] => 441207
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/441207 | Heating resistor for ceramic heaters, ceramic heaters and method of manufacturing ceramic heaters | Nov 15, 1999 | Issued |
Array
(
[id] => 4425756
[patent_doc_number] => 06178191
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-01-23
[patent_title] => 'Method for determination of the tip position of consumable electrodes used in electric smelting furnaces'
[patent_app_type] => 1
[patent_app_number] => 9/423959
[patent_app_country] => US
[patent_app_date] => 1999-11-15
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/178/06178191.pdf
[firstpage_image] =>[orig_patent_app_number] => 423959
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/423959 | Method for determination of the tip position of consumable electrodes used in electric smelting furnaces | Nov 14, 1999 | Issued |
Array
(
[id] => 4097000
[patent_doc_number] => 06163562
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-12-19
[patent_title] => 'Induction oven for melting metals'
[patent_app_type] => 1
[patent_app_number] => 9/423732
[patent_app_country] => US
[patent_app_date] => 1999-11-12
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[firstpage_image] =>[orig_patent_app_number] => 423732
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/423732 | Induction oven for melting metals | Nov 11, 1999 | Issued |
Array
(
[id] => 4293194
[patent_doc_number] => 06211491
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-04-03
[patent_title] => 'Anti-fogging glass'
[patent_app_type] => 1
[patent_app_number] => 9/435609
[patent_app_country] => US
[patent_app_date] => 1999-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[pdf_file] => patents/06/211/06211491.pdf
[firstpage_image] =>[orig_patent_app_number] => 435609
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/435609 | Anti-fogging glass | Nov 7, 1999 | Issued |
Array
(
[id] => 4375612
[patent_doc_number] => 06288372
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-09-11
[patent_title] => 'Electric cable having braidless polymeric ground plane providing fault detection'
[patent_app_type] => 1
[patent_app_number] => 9/432688
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[patent_app_date] => 1999-11-03
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[pdf_file] => patents/06/288/06288372.pdf
[firstpage_image] =>[orig_patent_app_number] => 432688
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/432688 | Electric cable having braidless polymeric ground plane providing fault detection | Nov 2, 1999 | Issued |
Array
(
[id] => 4194205
[patent_doc_number] => 06153865
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-11-28
[patent_title] => 'Induction hardening apparatus for a crankshaft'
[patent_app_type] => 1
[patent_app_number] => 9/431723
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[pdf_file] => patents/06/153/06153865.pdf
[firstpage_image] =>[orig_patent_app_number] => 431723
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/431723 | Induction hardening apparatus for a crankshaft | Oct 31, 1999 | Issued |
Array
(
[id] => 4308931
[patent_doc_number] => 06326596
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-12-04
[patent_title] => 'Systems and methods for controlling power applied to a resistor array'
[patent_app_type] => 1
[patent_app_number] => 9/431653
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/431653 | Systems and methods for controlling power applied to a resistor array | Oct 31, 1999 | Issued |
Array
(
[id] => 4373736
[patent_doc_number] => 06192065
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[patent_issue_date] => 2001-02-20
[patent_title] => 'Method and apparatus for controlling arcing in a DC arc furnace'
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[patent_app_number] => 9/428919
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[pdf_file] => patents/06/192/06192065.pdf
[firstpage_image] =>[orig_patent_app_number] => 428919
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/428919 | Method and apparatus for controlling arcing in a DC arc furnace | Oct 27, 1999 | Issued |
Array
(
[id] => 4365069
[patent_doc_number] => 06255622
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-07-03
[patent_title] => 'Electronic device having external surface thermal feedback'
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[pdf_file] => patents/06/255/06255622.pdf
[firstpage_image] =>[orig_patent_app_number] => 429498
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/429498 | Electronic device having external surface thermal feedback | Oct 26, 1999 | Issued |
Array
(
[id] => 4096972
[patent_doc_number] => 06163560
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-12-19
[patent_title] => 'Method to process fumes and relative device'
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[pdf_file] => patents/06/163/06163560.pdf
[firstpage_image] =>[orig_patent_app_number] => 403300
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/403300 | Method to process fumes and relative device | Oct 19, 1999 | Issued |
Array
(
[id] => 4324037
[patent_doc_number] => 06248983
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-06-19
[patent_title] => 'Heater control apparatus with variable input voltage rectification'
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[pdf_file] => patents/06/248/06248983.pdf
[firstpage_image] =>[orig_patent_app_number] => 422522
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/422522 | Heater control apparatus with variable input voltage rectification | Oct 19, 1999 | Issued |
Array
(
[id] => 4426709
[patent_doc_number] => 06226313
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-05-01
[patent_title] => 'Power source circuit and its control for three-phase electric arc furnace to reduce flicker'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/419654 | Power source circuit and its control for three-phase electric arc furnace to reduce flicker | Oct 17, 1999 | Issued |
Array
(
[id] => 4146981
[patent_doc_number] => 06148019
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[patent_issue_date] => 2000-11-14
[patent_title] => 'Modular high power induction heating and melting system'
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[firstpage_image] =>[orig_patent_app_number] => 418884
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/418884 | Modular high power induction heating and melting system | Oct 14, 1999 | Issued |