
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 4074579
[patent_doc_number] => 05896409
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-04-20
[patent_title] => 'Fume intake and cooling device for electric arc furnaces'
[patent_app_type] => 1
[patent_app_number] => 8/847510
[patent_app_country] => US
[patent_app_date] => 1997-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 9
[patent_no_of_words] => 2593
[patent_no_of_claims] => 20
[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/05/896/05896409.pdf
[firstpage_image] =>[orig_patent_app_number] => 847510
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/847510 | Fume intake and cooling device for electric arc furnaces | Apr 23, 1997 | Issued |
Array
(
[id] => 3753148
[patent_doc_number] => 05787108
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-07-28
[patent_title] => 'Exhaust device for electric arc furnaces and relative method'
[patent_app_type] => 1
[patent_app_number] => 8/842821
[patent_app_country] => US
[patent_app_date] => 1997-04-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2561
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 157
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/787/05787108.pdf
[firstpage_image] =>[orig_patent_app_number] => 842821
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/842821 | Exhaust device for electric arc furnaces and relative method | Apr 16, 1997 | Issued |
Array
(
[id] => 3844203
[patent_doc_number] => 05847376
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-12-08
[patent_title] => 'Process and plant for the manufacture of solid castings from an essentially liquid reactive medium, and oven for heating an essentially liquid medium'
[patent_app_type] => 1
[patent_app_number] => 8/840561
[patent_app_country] => US
[patent_app_date] => 1997-04-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 11
[patent_no_of_words] => 8400
[patent_no_of_claims] => 33
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 164
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/847/05847376.pdf
[firstpage_image] =>[orig_patent_app_number] => 840561
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/840561 | Process and plant for the manufacture of solid castings from an essentially liquid reactive medium, and oven for heating an essentially liquid medium | Apr 14, 1997 | Issued |
Array
(
[id] => 3787141
[patent_doc_number] => 05821504
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-10-13
[patent_title] => 'Induction heating system for 360.degree. curing of can body coatings'
[patent_app_type] => 1
[patent_app_number] => 8/838408
[patent_app_country] => US
[patent_app_date] => 1997-04-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 10
[patent_no_of_words] => 7169
[patent_no_of_claims] => 46
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 80
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/821/05821504.pdf
[firstpage_image] =>[orig_patent_app_number] => 838408
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/838408 | Induction heating system for 360.degree. curing of can body coatings | Apr 6, 1997 | Issued |
Array
(
[id] => 4069240
[patent_doc_number] => 05866881
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-02-02
[patent_title] => 'Multi-layer jacket with convection heating means'
[patent_app_type] => 1
[patent_app_number] => 8/826565
[patent_app_country] => US
[patent_app_date] => 1997-04-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 9
[patent_no_of_words] => 3615
[patent_no_of_claims] => 1
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[patent_words_short_claim] => 735
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/866/05866881.pdf
[firstpage_image] =>[orig_patent_app_number] => 826565
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/826565 | Multi-layer jacket with convection heating means | Apr 3, 1997 | Issued |
Array
(
[id] => 3972277
[patent_doc_number] => 05948306
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-09-07
[patent_title] => 'Ceramic heater'
[patent_app_type] => 1
[patent_app_number] => 8/826144
[patent_app_country] => US
[patent_app_date] => 1997-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 16
[patent_no_of_words] => 5269
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 99
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/948/05948306.pdf
[firstpage_image] =>[orig_patent_app_number] => 826144
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/826144 | Ceramic heater | Mar 26, 1997 | Issued |
Array
(
[id] => 4066389
[patent_doc_number] => 05970083
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-10-19
[patent_title] => 'Device for injecting non-oxidizing gas into a furnace'
[patent_app_type] => 1
[patent_app_number] => 8/816678
[patent_app_country] => US
[patent_app_date] => 1997-03-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 2196
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 185
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/970/05970083.pdf
[firstpage_image] =>[orig_patent_app_number] => 816678
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/816678 | Device for injecting non-oxidizing gas into a furnace | Mar 12, 1997 | Issued |
Array
(
[id] => 3744427
[patent_doc_number] => 05753893
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-05-19
[patent_title] => 'Alumina-based sintered material for ceramic heater'
[patent_app_type] => 1
[patent_app_number] => 8/815586
[patent_app_country] => US
[patent_app_date] => 1997-03-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 7102
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 204
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/753/05753893.pdf
[firstpage_image] =>[orig_patent_app_number] => 815586
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/815586 | Alumina-based sintered material for ceramic heater | Mar 11, 1997 | Issued |
Array
(
[id] => 3941691
[patent_doc_number] => 05953363
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-09-14
[patent_title] => 'Bushing for minimizing power losses in a channel inductor'
[patent_app_type] => 1
[patent_app_number] => 8/814421
[patent_app_country] => US
[patent_app_date] => 1997-03-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 10
[patent_no_of_words] => 2580
[patent_no_of_claims] => 24
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/953/05953363.pdf
[firstpage_image] =>[orig_patent_app_number] => 814421
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/814421 | Bushing for minimizing power losses in a channel inductor | Mar 9, 1997 | Issued |
Array
(
[id] => 4053342
[patent_doc_number] => 05869817
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-02-09
[patent_title] => 'Tunable cavity microwave applicator'
[patent_app_type] => 1
[patent_app_number] => 8/813818
[patent_app_country] => US
[patent_app_date] => 1997-03-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 12
[patent_no_of_words] => 10683
[patent_no_of_claims] => 43
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[patent_words_short_claim] => 116
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/869/05869817.pdf
[firstpage_image] =>[orig_patent_app_number] => 813818
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/813818 | Tunable cavity microwave applicator | Mar 5, 1997 | Issued |
Array
(
[id] => 3973617
[patent_doc_number] => 05958274
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-09-28
[patent_title] => 'Jet impingement batch oven'
[patent_app_type] => 1
[patent_app_number] => 8/811938
[patent_app_country] => US
[patent_app_date] => 1997-03-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 17
[patent_no_of_words] => 5107
[patent_no_of_claims] => 19
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/958/05958274.pdf
[firstpage_image] =>[orig_patent_app_number] => 811938
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/811938 | Jet impingement batch oven | Mar 4, 1997 | Issued |
Array
(
[id] => 3963649
[patent_doc_number] => 05956366
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-09-21
[patent_title] => 'Arc furnace and method in which molten material is stirred and the arc is guided'
[patent_app_type] => 1
[patent_app_number] => 8/807803
[patent_app_country] => US
[patent_app_date] => 1997-02-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
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[patent_no_of_words] => 3417
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/956/05956366.pdf
[firstpage_image] =>[orig_patent_app_number] => 807803
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/807803 | Arc furnace and method in which molten material is stirred and the arc is guided | Feb 25, 1997 | Issued |
Array
(
[id] => 7064354
[patent_doc_number] => 20010043640
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2001-11-22
[patent_title] => 'METHOD AND APPARATUS FOR HEATING MATERIALS'
[patent_app_type] => new
[patent_app_number] => 08/806848
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0043/20010043640.pdf
[firstpage_image] =>[orig_patent_app_number] => 08806848
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/806848 | METHOD AND APPARATUS FOR HEATING MATERIALS | Feb 25, 1997 | Abandoned |
Array
(
[id] => 3897920
[patent_doc_number] => 05894541
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-04-13
[patent_title] => 'Electric heater assembly'
[patent_app_type] => 1
[patent_app_number] => 8/801769
[patent_app_country] => US
[patent_app_date] => 1997-02-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 2900
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/894/05894541.pdf
[firstpage_image] =>[orig_patent_app_number] => 801769
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/801769 | Electric heater assembly | Feb 17, 1997 | Issued |
Array
(
[id] => 4013906
[patent_doc_number] => 05987054
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-11-16
[patent_title] => 'Induction coil and coreless induction furnace employing same'
[patent_app_type] => 1
[patent_app_number] => 8/797148
[patent_app_country] => US
[patent_app_date] => 1997-02-10
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[pdf_file] => patents/05/987/05987054.pdf
[firstpage_image] =>[orig_patent_app_number] => 797148
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/797148 | Induction coil and coreless induction furnace employing same | Feb 9, 1997 | Issued |
Array
(
[id] => 4029514
[patent_doc_number] => 05907662
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-05-25
[patent_title] => 'Electrode wells for powerline-frequency electrical heating of soils'
[patent_app_type] => 1
[patent_app_number] => 8/794219
[patent_app_country] => US
[patent_app_date] => 1997-01-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 3768
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/907/05907662.pdf
[firstpage_image] =>[orig_patent_app_number] => 794219
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/794219 | Electrode wells for powerline-frequency electrical heating of soils | Jan 29, 1997 | Issued |
Array
(
[id] => 3906759
[patent_doc_number] => 05835525
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-11-10
[patent_title] => 'Furnaces and linings having segments with surfaces configured to absorb and reradiate heat'
[patent_app_type] => 1
[patent_app_number] => 8/732504
[patent_app_country] => US
[patent_app_date] => 1997-01-30
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/835/05835525.pdf
[firstpage_image] =>[orig_patent_app_number] => 732504
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/732504 | Furnaces and linings having segments with surfaces configured to absorb and reradiate heat | Jan 29, 1997 | Issued |
Array
(
[id] => 3745127
[patent_doc_number] => 05786565
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-07-28
[patent_title] => 'Match head ceramic igniter and method of using same'
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[patent_app_number] => 8/789033
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[pdf_file] => patents/05/786/05786565.pdf
[firstpage_image] =>[orig_patent_app_number] => 789033
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/789033 | Match head ceramic igniter and method of using same | Jan 26, 1997 | Issued |
Array
(
[id] => 3952121
[patent_doc_number] => 05930284
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-07-27
[patent_title] => 'Multiple input electrode gap controller'
[patent_app_type] => 1
[patent_app_number] => 8/784334
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[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/930/05930284.pdf
[firstpage_image] =>[orig_patent_app_number] => 784334
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/784334 | Multiple input electrode gap controller | Jan 14, 1997 | Issued |
Array
(
[id] => 4040014
[patent_doc_number] => 05903591
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-05-11
[patent_title] => 'Apparatus and process for activation of carbonaceous char or reactivation of spent carbon by electrical resistance heating'
[patent_app_type] => 1
[patent_app_number] => 8/784013
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[patent_words_short_claim] => 266
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/903/05903591.pdf
[firstpage_image] =>[orig_patent_app_number] => 784013
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/784013 | Apparatus and process for activation of carbonaceous char or reactivation of spent carbon by electrical resistance heating | Jan 14, 1997 | Issued |