Search

Tu Ba Hoang

Supervisory Patent Examiner (ID: 7481, Phone: (571)272-4780 , Office: P/3742 )

Most Active Art Unit
3761
Art Unit(s)
3742, 2106, 2832, 3761
Total Applications
2049
Issued Applications
1536
Pending Applications
181
Abandoned Applications
331

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3036225 [patent_doc_number] => 05286293 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Multifunctional powder material for protecting buildings and process for the same' [patent_app_type] => 1 [patent_app_number] => 7/853206 [patent_app_country] => US [patent_app_date] => 1992-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4151 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/286/05286293.pdf [firstpage_image] =>[orig_patent_app_number] => 853206 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/853206
Multifunctional powder material for protecting buildings and process for the same Mar 17, 1992 Issued
07/850690 DOUBLE-LAYERED CERAMIC HEATER Mar 10, 1992 Abandoned
07/844935 DISTRIBUTED INDEX OF REFRACTION TYPE OPTICAL ELEMENT AND METHOD OF MAKING THE SAME Mar 3, 1992 Abandoned
Array ( [id] => 2905586 [patent_doc_number] => 05236632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Zinc oxide sintered body, and preparation process and use thereof' [patent_app_type] => 1 [patent_app_number] => 7/844193 [patent_app_country] => US [patent_app_date] => 1992-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3149 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/236/05236632.pdf [firstpage_image] =>[orig_patent_app_number] => 844193 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/844193
Zinc oxide sintered body, and preparation process and use thereof Mar 1, 1992 Issued
Array ( [id] => 2975302 [patent_doc_number] => 05256605 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Method of manufacturing a heavy metal fluoride glass composition' [patent_app_type] => 1 [patent_app_number] => 7/845117 [patent_app_country] => US [patent_app_date] => 1992-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1643 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/256/05256605.pdf [firstpage_image] =>[orig_patent_app_number] => 845117 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/845117
Method of manufacturing a heavy metal fluoride glass composition Feb 27, 1992 Issued
Array ( [id] => 2899293 [patent_doc_number] => 05217931 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Ceramic sliding member and method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 7/841302 [patent_app_country] => US [patent_app_date] => 1992-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6082 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/217/05217931.pdf [firstpage_image] =>[orig_patent_app_number] => 841302 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/841302
Ceramic sliding member and method of manufacturing the same Feb 27, 1992 Issued
07/837841 PATCHING COMPOSITION FOR CONCRETE SURFACES Feb 17, 1992 Abandoned
Array ( [id] => 2823648 [patent_doc_number] => 05174820 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-29 [patent_title] => 'Durability improving agent for cement-hydraulic-set substances, method of improving same, and cement-hydraulic-set substances improved in durability' [patent_app_type] => 1 [patent_app_number] => 7/832654 [patent_app_country] => US [patent_app_date] => 1992-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2822 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/174/05174820.pdf [firstpage_image] =>[orig_patent_app_number] => 832654 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/832654
Durability improving agent for cement-hydraulic-set substances, method of improving same, and cement-hydraulic-set substances improved in durability Feb 10, 1992 Issued
Array ( [id] => 2967825 [patent_doc_number] => 05258336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-02 [patent_title] => 'Low expansion USP type I amber glass' [patent_app_type] => 1 [patent_app_number] => 7/832925 [patent_app_country] => US [patent_app_date] => 1992-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2070 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/258/05258336.pdf [firstpage_image] =>[orig_patent_app_number] => 832925 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/832925
Low expansion USP type I amber glass Feb 9, 1992 Issued
Array ( [id] => 3015162 [patent_doc_number] => 05340780 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-23 [patent_title] => 'Cubic boron nitride sintered compact and method of preparing the compact' [patent_app_type] => 1 [patent_app_number] => 7/827579 [patent_app_country] => US [patent_app_date] => 1992-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3065 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/340/05340780.pdf [firstpage_image] =>[orig_patent_app_number] => 827579 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/827579
Cubic boron nitride sintered compact and method of preparing the compact Jan 27, 1992 Issued
Array ( [id] => 2979184 [patent_doc_number] => 05211748 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Identifiable dental restorative material' [patent_app_type] => 1 [patent_app_number] => 7/819638 [patent_app_country] => US [patent_app_date] => 1992-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1017 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/211/05211748.pdf [firstpage_image] =>[orig_patent_app_number] => 819638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/819638
Identifiable dental restorative material Jan 9, 1992 Issued
Array ( [id] => 3071345 [patent_doc_number] => 05360770 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-01 [patent_title] => 'Fluoride ion-leachable glasses and dental cement compositions containing them' [patent_app_type] => 1 [patent_app_number] => 7/817885 [patent_app_country] => US [patent_app_date] => 1992-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3605 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/360/05360770.pdf [firstpage_image] =>[orig_patent_app_number] => 817885 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/817885
Fluoride ion-leachable glasses and dental cement compositions containing them Jan 6, 1992 Issued
Array ( [id] => 3072384 [patent_doc_number] => 05322641 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-21 [patent_title] => 'Magnetic materials and products made therefrom' [patent_app_type] => 1 [patent_app_number] => 7/781128 [patent_app_country] => US [patent_app_date] => 1992-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8039 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/322/05322641.pdf [firstpage_image] =>[orig_patent_app_number] => 781128 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/781128
Magnetic materials and products made therefrom Jan 5, 1992 Issued
Array ( [id] => 3095053 [patent_doc_number] => 05314675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Process for direct nitriding of metals of low melting point' [patent_app_type] => 1 [patent_app_number] => 7/816235 [patent_app_country] => US [patent_app_date] => 1992-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3271 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/314/05314675.pdf [firstpage_image] =>[orig_patent_app_number] => 816235 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/816235
Process for direct nitriding of metals of low melting point Jan 2, 1992 Issued
Array ( [id] => 2975372 [patent_doc_number] => 05256609 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Clean burning green ceramic tape cast system using atactic polypropylene binder' [patent_app_type] => 1 [patent_app_number] => 7/809748 [patent_app_country] => US [patent_app_date] => 1991-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1822 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/256/05256609.pdf [firstpage_image] =>[orig_patent_app_number] => 809748 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/809748
Clean burning green ceramic tape cast system using atactic polypropylene binder Dec 17, 1991 Issued
Array ( [id] => 2972164 [patent_doc_number] => 05203936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Clean burning green ceramic tape cast system using polyisobutylene binder' [patent_app_type] => 1 [patent_app_number] => 7/808138 [patent_app_country] => US [patent_app_date] => 1991-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1766 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/203/05203936.pdf [firstpage_image] =>[orig_patent_app_number] => 808138 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/808138
Clean burning green ceramic tape cast system using polyisobutylene binder Dec 15, 1991 Issued
Array ( [id] => 3027955 [patent_doc_number] => 05316985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-31 [patent_title] => 'Suppression of crystal growth in low dielectric inorganic composition using ultrafine alumina' [patent_app_type] => 1 [patent_app_number] => 7/804069 [patent_app_country] => US [patent_app_date] => 1991-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5995 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/316/05316985.pdf [firstpage_image] =>[orig_patent_app_number] => 804069 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/804069
Suppression of crystal growth in low dielectric inorganic composition using ultrafine alumina Dec 8, 1991 Issued
Array ( [id] => 3048544 [patent_doc_number] => 05283134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-01 [patent_title] => 'Spark plug insulator and a method of sintering' [patent_app_type] => 1 [patent_app_number] => 7/804786 [patent_app_country] => US [patent_app_date] => 1991-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1959 [patent_no_of_claims] => 3 [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/05/283/05283134.pdf [firstpage_image] =>[orig_patent_app_number] => 804786 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/804786
Spark plug insulator and a method of sintering Dec 8, 1991 Issued
Array ( [id] => 2916710 [patent_doc_number] => 05206191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Method of producing refractory materials and their applications in the casting of corrosive alloys' [patent_app_type] => 1 [patent_app_number] => 7/802300 [patent_app_country] => US [patent_app_date] => 1991-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4577 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/206/05206191.pdf [firstpage_image] =>[orig_patent_app_number] => 802300 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/802300
Method of producing refractory materials and their applications in the casting of corrosive alloys Dec 3, 1991 Issued
Array ( [id] => 3086407 [patent_doc_number] => 05278107 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Optical parts and equipment using infrared athermal glasses' [patent_app_type] => 1 [patent_app_number] => 7/800917 [patent_app_country] => US [patent_app_date] => 1991-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5763 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/278/05278107.pdf [firstpage_image] =>[orig_patent_app_number] => 800917 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/800917
Optical parts and equipment using infrared athermal glasses Nov 26, 1991 Issued
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