Search

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 numberTitle of the applicationFiling DateStatus
08/619476 ELECTRIC HEATER May 22, 1996 Abandoned
Array ( [id] => 3901659 [patent_doc_number] => 05724478 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-03 [patent_title] => 'Liquid heater assembly' [patent_app_type] => 1 [patent_app_number] => 8/647713 [patent_app_country] => US [patent_app_date] => 1996-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 18 [patent_no_of_words] => 3244 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/724/05724478.pdf [firstpage_image] =>[orig_patent_app_number] => 647713 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/647713
Liquid heater assembly May 13, 1996 Issued
Array ( [id] => 3780999 [patent_doc_number] => 05818012 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Self-regulating cable assembly' [patent_app_type] => 1 [patent_app_number] => 8/647382 [patent_app_country] => US [patent_app_date] => 1996-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 3118 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/818/05818012.pdf [firstpage_image] =>[orig_patent_app_number] => 647382 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/647382
Self-regulating cable assembly May 8, 1996 Issued
Array ( [id] => 3894418 [patent_doc_number] => 05748666 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-05 [patent_title] => 'Method and furnace for treatment of ash' [patent_app_type] => 1 [patent_app_number] => 8/640814 [patent_app_country] => US [patent_app_date] => 1996-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5588 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/748/05748666.pdf [firstpage_image] =>[orig_patent_app_number] => 640814 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/640814
Method and furnace for treatment of ash May 7, 1996 Issued
Array ( [id] => 3742286 [patent_doc_number] => 05636241 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-03 [patent_title] => 'Levitation melting crucibles' [patent_app_type] => 1 [patent_app_number] => 8/641519 [patent_app_country] => US [patent_app_date] => 1996-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2012 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/636/05636241.pdf [firstpage_image] =>[orig_patent_app_number] => 641519 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/641519
Levitation melting crucibles Apr 30, 1996 Issued
Array ( [id] => 3794915 [patent_doc_number] => 05758019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Radiative keyboard heating apparatus' [patent_app_type] => 1 [patent_app_number] => 8/640135 [patent_app_country] => US [patent_app_date] => 1996-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1900 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/758/05758019.pdf [firstpage_image] =>[orig_patent_app_number] => 640135 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/640135
Radiative keyboard heating apparatus Apr 29, 1996 Issued
Array ( [id] => 3812367 [patent_doc_number] => 05828810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-27 [patent_title] => 'Positive temperature coefficient bar shaped immersion heater' [patent_app_type] => 1 [patent_app_number] => 8/638175 [patent_app_country] => US [patent_app_date] => 1996-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5136 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/828/05828810.pdf [firstpage_image] =>[orig_patent_app_number] => 638175 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/638175
Positive temperature coefficient bar shaped immersion heater Apr 25, 1996 Issued
Array ( [id] => 3740680 [patent_doc_number] => 05671321 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-23 [patent_title] => 'Air heater gun for joint compound with fan-shaped attachment' [patent_app_type] => 1 [patent_app_number] => 8/637050 [patent_app_country] => US [patent_app_date] => 1996-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 3237 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/671/05671321.pdf [firstpage_image] =>[orig_patent_app_number] => 637050 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/637050
Air heater gun for joint compound with fan-shaped attachment Apr 23, 1996 Issued
Array ( [id] => 3898800 [patent_doc_number] => 05715273 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-03 [patent_title] => 'Secondary circuit with variable impedance for electric arc furnaces' [patent_app_type] => 1 [patent_app_number] => 8/633308 [patent_app_country] => US [patent_app_date] => 1996-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2262 [patent_no_of_claims] => 9 [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/05/715/05715273.pdf [firstpage_image] =>[orig_patent_app_number] => 633308 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/633308
Secondary circuit with variable impedance for electric arc furnaces Apr 14, 1996 Issued
Array ( [id] => 3766382 [patent_doc_number] => 05721805 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-24 [patent_title] => 'High energy source module with diagonal lamps' [patent_app_type] => 1 [patent_app_number] => 8/631716 [patent_app_country] => US [patent_app_date] => 1996-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 3674 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/721/05721805.pdf [firstpage_image] =>[orig_patent_app_number] => 631716 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/631716
High energy source module with diagonal lamps Apr 9, 1996 Issued
Array ( [id] => 3809225 [patent_doc_number] => 05781581 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-14 [patent_title] => 'Induction heating and melting apparatus with superconductive coil and removable crucible' [patent_app_type] => 1 [patent_app_number] => 8/629203 [patent_app_country] => US [patent_app_date] => 1996-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2548 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/781/05781581.pdf [firstpage_image] =>[orig_patent_app_number] => 629203 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/629203
Induction heating and melting apparatus with superconductive coil and removable crucible Apr 7, 1996 Issued
Array ( [id] => 3715101 [patent_doc_number] => 05647055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-08 [patent_title] => 'Method for cyclically dispensing water from a heated water apparatus' [patent_app_type] => 1 [patent_app_number] => 8/628019 [patent_app_country] => US [patent_app_date] => 1996-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4814 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/647/05647055.pdf [firstpage_image] =>[orig_patent_app_number] => 628019 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/628019
Method for cyclically dispensing water from a heated water apparatus Apr 3, 1996 Issued
Array ( [id] => 3760569 [patent_doc_number] => 05802249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Cabin wth a radiant heating system' [patent_app_type] => 1 [patent_app_number] => 8/591546 [patent_app_country] => US [patent_app_date] => 1996-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4348 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/802/05802249.pdf [firstpage_image] =>[orig_patent_app_number] => 591546 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/591546
Cabin wth a radiant heating system Mar 31, 1996 Issued
Array ( [id] => 3633371 [patent_doc_number] => 05689613 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-18 [patent_title] => 'Platinum plated quartz tubes and method of making the same' [patent_app_type] => 1 [patent_app_number] => 8/622118 [patent_app_country] => US [patent_app_date] => 1996-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2317 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/689/05689613.pdf [firstpage_image] =>[orig_patent_app_number] => 622118 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/622118
Platinum plated quartz tubes and method of making the same Mar 25, 1996 Issued
Array ( [id] => 3845053 [patent_doc_number] => 05740196 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-14 [patent_title] => 'End caps and elbows for cooling coils for an electric arc furnance' [patent_app_type] => 1 [patent_app_number] => 8/621429 [patent_app_country] => US [patent_app_date] => 1996-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 1828 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/740/05740196.pdf [firstpage_image] =>[orig_patent_app_number] => 621429 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/621429
End caps and elbows for cooling coils for an electric arc furnance Mar 24, 1996 Issued
08/621744 METHOD AND APPARATUS FOR RAPID THERMAL PROCESSING OF SEMICONDUCTOR WAFERS Mar 21, 1996 Abandoned
Array ( [id] => 3896135 [patent_doc_number] => 05805769 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Adjustable ellipsoidal reflector for food heating apparatus' [patent_app_type] => 1 [patent_app_number] => 8/619415 [patent_app_country] => US [patent_app_date] => 1996-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3568 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/805/05805769.pdf [firstpage_image] =>[orig_patent_app_number] => 619415 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/619415
Adjustable ellipsoidal reflector for food heating apparatus Mar 20, 1996 Issued
Array ( [id] => 3790150 [patent_doc_number] => 05736715 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Method of forming pressure testable joint between insulated pipes using split sleeve arrangement' [patent_app_type] => 1 [patent_app_number] => 8/618128 [patent_app_country] => US [patent_app_date] => 1996-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 3892 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 469 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/736/05736715.pdf [firstpage_image] =>[orig_patent_app_number] => 618128 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/618128
Method of forming pressure testable joint between insulated pipes using split sleeve arrangement Mar 18, 1996 Issued
Array ( [id] => 3828307 [patent_doc_number] => 05771336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Electrically stable methods and apparatus for continuously electroheating food' [patent_app_type] => 1 [patent_app_number] => 8/617110 [patent_app_country] => US [patent_app_date] => 1996-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 14021 [patent_no_of_claims] => 13 [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/05/771/05771336.pdf [firstpage_image] =>[orig_patent_app_number] => 617110 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/617110
Electrically stable methods and apparatus for continuously electroheating food Mar 17, 1996 Issued
Array ( [id] => 3794856 [patent_doc_number] => 05758015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Methods and apparatus for electroheating food employing concentric electrodes' [patent_app_type] => 1 [patent_app_number] => 8/617223 [patent_app_country] => US [patent_app_date] => 1996-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 13999 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/758/05758015.pdf [firstpage_image] =>[orig_patent_app_number] => 617223 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/617223
Methods and apparatus for electroheating food employing concentric electrodes Mar 17, 1996 Issued
Menu