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
07/428711 TRANSLUCENT SILICON-OXY-CARBIDE GLASS AND ARTICLES Oct 29, 1989 Abandoned
Array ( [id] => 2747981 [patent_doc_number] => 05030592 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-09 [patent_title] => 'Highly dense cordierite and method of manufacturing same' [patent_app_type] => 1 [patent_app_number] => 7/427407 [patent_app_country] => US [patent_app_date] => 1989-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3634 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/030/05030592.pdf [firstpage_image] =>[orig_patent_app_number] => 427407 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/427407
Highly dense cordierite and method of manufacturing same Oct 25, 1989 Issued
Array ( [id] => 2778175 [patent_doc_number] => 05092930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-03 [patent_title] => 'Method for making insoluble heavy metals contained in fly ash discharged from incinerator' [patent_app_type] => 1 [patent_app_number] => 7/432721 [patent_app_country] => US [patent_app_date] => 1989-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5098 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/092/05092930.pdf [firstpage_image] =>[orig_patent_app_number] => 432721 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432721
Method for making insoluble heavy metals contained in fly ash discharged from incinerator Oct 22, 1989 Issued
Array ( [id] => 2671781 [patent_doc_number] => 05073525 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Lightweight tundish refractory composition' [patent_app_type] => 1 [patent_app_number] => 7/425633 [patent_app_country] => US [patent_app_date] => 1989-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6523 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/073/05073525.pdf [firstpage_image] =>[orig_patent_app_number] => 425633 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/425633
Lightweight tundish refractory composition Oct 22, 1989 Issued
07/424950 CASTING COMPOSITION Oct 22, 1989 Abandoned
Array ( [id] => 2778192 [patent_doc_number] => 05092931 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-03 [patent_title] => 'Method for making insoluble heavy metals contained in fly ash discharged from incinerator' [patent_app_type] => 1 [patent_app_number] => 7/442331 [patent_app_country] => US [patent_app_date] => 1989-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3800 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/092/05092931.pdf [firstpage_image] =>[orig_patent_app_number] => 442331 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/442331
Method for making insoluble heavy metals contained in fly ash discharged from incinerator Oct 22, 1989 Issued
Array ( [id] => 2584835 [patent_doc_number] => 04969953 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Alcohol mixture for plasticizer and method for producing the same' [patent_app_type] => 1 [patent_app_number] => 7/423986 [patent_app_country] => US [patent_app_date] => 1989-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6331 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969953.pdf [firstpage_image] =>[orig_patent_app_number] => 423986 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/423986
Alcohol mixture for plasticizer and method for producing the same Oct 18, 1989 Issued
Array ( [id] => 2645112 [patent_doc_number] => 04980320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Vanadium garnet materials' [patent_app_type] => 1 [patent_app_number] => 7/423177 [patent_app_country] => US [patent_app_date] => 1989-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1887 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/980/04980320.pdf [firstpage_image] =>[orig_patent_app_number] => 423177 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/423177
Vanadium garnet materials Oct 17, 1989 Issued
Array ( [id] => 2699372 [patent_doc_number] => 04992103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Cementitious compositions' [patent_app_type] => 1 [patent_app_number] => 7/423632 [patent_app_country] => US [patent_app_date] => 1989-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2445 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/992/04992103.pdf [firstpage_image] =>[orig_patent_app_number] => 423632 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/423632
Cementitious compositions Oct 17, 1989 Issued
Array ( [id] => 2839827 [patent_doc_number] => 05171736 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-15 [patent_title] => 'Preceramic organosilicon-boron polymers' [patent_app_type] => 1 [patent_app_number] => 7/421586 [patent_app_country] => US [patent_app_date] => 1989-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7026 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/171/05171736.pdf [firstpage_image] =>[orig_patent_app_number] => 421586 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/421586
Preceramic organosilicon-boron polymers Oct 15, 1989 Issued
Array ( [id] => 2817925 [patent_doc_number] => 05116418 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Process for making structural aggregate pigments' [patent_app_type] => 1 [patent_app_number] => 7/420388 [patent_app_country] => US [patent_app_date] => 1989-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15898 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/116/05116418.pdf [firstpage_image] =>[orig_patent_app_number] => 420388 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/420388
Process for making structural aggregate pigments Oct 11, 1989 Issued
07/419244 SUPERCONDUCTIVE PHOTOCONDUCTIVE-SUBSTANCE OF THE LA-CU-O SYSTEM AND A METHOD FOR PRODUCING THE SAME Oct 9, 1989 Abandoned
Array ( [id] => 2688063 [patent_doc_number] => 04990190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Strength enhancing additive for certain portland cements' [patent_app_type] => 1 [patent_app_number] => 7/418071 [patent_app_country] => US [patent_app_date] => 1989-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6048 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/990/04990190.pdf [firstpage_image] =>[orig_patent_app_number] => 418071 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/418071
Strength enhancing additive for certain portland cements Oct 5, 1989 Issued
Array ( [id] => 2699448 [patent_doc_number] => 05067981 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Method for rendering toxic waste harmless' [patent_app_type] => 1 [patent_app_number] => 7/413335 [patent_app_country] => US [patent_app_date] => 1989-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1078 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/067/05067981.pdf [firstpage_image] =>[orig_patent_app_number] => 413335 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/413335
Method for rendering toxic waste harmless Sep 26, 1989 Issued
Array ( [id] => 2960889 [patent_doc_number] => 05273941 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Fiber reinforced silicon carbide ceramics and method of producing the same' [patent_app_type] => 1 [patent_app_number] => 7/415311 [patent_app_country] => US [patent_app_date] => 1989-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5084 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/273/05273941.pdf [firstpage_image] =>[orig_patent_app_number] => 415311 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/415311
Fiber reinforced silicon carbide ceramics and method of producing the same Sep 26, 1989 Issued
Array ( [id] => 2979007 [patent_doc_number] => 05204296 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Process for injection molding ceramics' [patent_app_type] => 1 [patent_app_number] => 7/412957 [patent_app_country] => US [patent_app_date] => 1989-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2840 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/204/05204296.pdf [firstpage_image] =>[orig_patent_app_number] => 412957 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/412957
Process for injection molding ceramics Sep 25, 1989 Issued
Array ( [id] => 2706254 [patent_doc_number] => 05013696 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-07 [patent_title] => 'Preparation of high uniformity polycrystalline ceramics by presintering, hot isostatic pressing and sintering and the resulting ceramic' [patent_app_type] => 1 [patent_app_number] => 7/412237 [patent_app_country] => US [patent_app_date] => 1989-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5621 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/013/05013696.pdf [firstpage_image] =>[orig_patent_app_number] => 412237 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/412237
Preparation of high uniformity polycrystalline ceramics by presintering, hot isostatic pressing and sintering and the resulting ceramic Sep 24, 1989 Issued
Array ( [id] => 2728106 [patent_doc_number] => 04997482 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Coating composition containing hydrolyzed silicate esters and other metal oxide precursors' [patent_app_type] => 1 [patent_app_number] => 7/411753 [patent_app_country] => US [patent_app_date] => 1989-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7603 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997482.pdf [firstpage_image] =>[orig_patent_app_number] => 411753 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/411753
Coating composition containing hydrolyzed silicate esters and other metal oxide precursors Sep 24, 1989 Issued
Array ( [id] => 2739313 [patent_doc_number] => 05002677 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Flexible high energy magnetic blend compositions based on ferrite particles in highly saturated nitrile rubber and methods of processing the same' [patent_app_type] => 1 [patent_app_number] => 7/409491 [patent_app_country] => US [patent_app_date] => 1989-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 10094 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/002/05002677.pdf [firstpage_image] =>[orig_patent_app_number] => 409491 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/409491
Flexible high energy magnetic blend compositions based on ferrite particles in highly saturated nitrile rubber and methods of processing the same Sep 18, 1989 Issued
Array ( [id] => 2765652 [patent_doc_number] => 05006492 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Preceramic compositions and ceramic products' [patent_app_type] => 1 [patent_app_number] => 7/409036 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3479 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/006/05006492.pdf [firstpage_image] =>[orig_patent_app_number] => 409036 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/409036
Preceramic compositions and ceramic products Sep 17, 1989 Issued
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