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
07/800876 SUPERCONDUCTOR AND METHOD OF MANUFACTURING THE SAME Nov 26, 1991 Abandoned
Array ( [id] => 2804734 [patent_doc_number] => 05147830 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-15 [patent_title] => 'Composition and method for manufacturing steel-containment equipment' [patent_app_type] => 1 [patent_app_number] => 7/798347 [patent_app_country] => US [patent_app_date] => 1991-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1792 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/147/05147830.pdf [firstpage_image] =>[orig_patent_app_number] => 798347 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/798347
Composition and method for manufacturing steel-containment equipment Nov 20, 1991 Issued
Array ( [id] => 3070679 [patent_doc_number] => 05336647 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-09 [patent_title] => 'Organoclay compositions prepared with a mixture of two organic cations and their use in non-aqueous systems' [patent_app_type] => 1 [patent_app_number] => 7/791318 [patent_app_country] => US [patent_app_date] => 1991-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7915 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/336/05336647.pdf [firstpage_image] =>[orig_patent_app_number] => 791318 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/791318
Organoclay compositions prepared with a mixture of two organic cations and their use in non-aqueous systems Nov 13, 1991 Issued
Array ( [id] => 2933326 [patent_doc_number] => 05229339 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => 'Pressure casting ceramic slurries' [patent_app_type] => 1 [patent_app_number] => 7/792330 [patent_app_country] => US [patent_app_date] => 1991-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4662 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/229/05229339.pdf [firstpage_image] =>[orig_patent_app_number] => 792330 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/792330
Pressure casting ceramic slurries Nov 11, 1991 Issued
Array ( [id] => 2958758 [patent_doc_number] => 05224595 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Package of cement mixing material' [patent_app_type] => 1 [patent_app_number] => 7/788680 [patent_app_country] => US [patent_app_date] => 1991-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6649 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/224/05224595.pdf [firstpage_image] =>[orig_patent_app_number] => 788680 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/788680
Package of cement mixing material Nov 5, 1991 Issued
Array ( [id] => 2898516 [patent_doc_number] => 05215585 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Hydration retarder' [patent_app_type] => 1 [patent_app_number] => 7/782356 [patent_app_country] => US [patent_app_date] => 1991-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1909 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/215/05215585.pdf [firstpage_image] =>[orig_patent_app_number] => 782356 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/782356
Hydration retarder Oct 24, 1991 Issued
07/781118 SINTERED CERAMIC BODY FOR A SPARK PLUG INSULATOR AND METHOD OF SINTERING THE SAME Oct 21, 1991 Abandoned
Array ( [id] => 2877966 [patent_doc_number] => 05185302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Dense skin ceramic structure and method of making the same' [patent_app_type] => 1 [patent_app_number] => 7/777476 [patent_app_country] => US [patent_app_date] => 1991-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 7136 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/185/05185302.pdf [firstpage_image] =>[orig_patent_app_number] => 777476 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/777476
Dense skin ceramic structure and method of making the same Oct 16, 1991 Issued
Array ( [id] => 3086388 [patent_doc_number] => 05278106 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Inogranic particulate material comprising fine balls of uniform size and process for producing same' [patent_app_type] => 1 [patent_app_number] => 7/774978 [patent_app_country] => US [patent_app_date] => 1991-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4778 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/278/05278106.pdf [firstpage_image] =>[orig_patent_app_number] => 774978 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/774978
Inogranic particulate material comprising fine balls of uniform size and process for producing same Oct 14, 1991 Issued
Array ( [id] => 2967648 [patent_doc_number] => 05207832 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Lightened cement grout suitable for the cementation of hydrocarbon production wells' [patent_app_type] => 1 [patent_app_number] => 7/743406 [patent_app_country] => US [patent_app_date] => 1991-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4726 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/207/05207832.pdf [firstpage_image] =>[orig_patent_app_number] => 743406 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/743406
Lightened cement grout suitable for the cementation of hydrocarbon production wells Oct 10, 1991 Issued
Array ( [id] => 2986323 [patent_doc_number] => 05212123 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Refractory materials formed from refractory grains bonded by a sialon matrix containing dispersed graphite and/or boron nitride particles and a process for the preparation of these materials' [patent_app_type] => 1 [patent_app_number] => 7/772978 [patent_app_country] => US [patent_app_date] => 1991-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4336 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212123.pdf [firstpage_image] =>[orig_patent_app_number] => 772978 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/772978
Refractory materials formed from refractory grains bonded by a sialon matrix containing dispersed graphite and/or boron nitride particles and a process for the preparation of these materials Oct 7, 1991 Issued
Array ( [id] => 2855094 [patent_doc_number] => 05166106 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-24 [patent_title] => 'Silicon-containing material having at least one densification aid including alumina' [patent_app_type] => 1 [patent_app_number] => 7/773051 [patent_app_country] => US [patent_app_date] => 1991-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6102 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/166/05166106.pdf [firstpage_image] =>[orig_patent_app_number] => 773051 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/773051
Silicon-containing material having at least one densification aid including alumina Oct 7, 1991 Issued
Array ( [id] => 2834971 [patent_doc_number] => 05137573 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Coating composition' [patent_app_type] => 1 [patent_app_number] => 7/771885 [patent_app_country] => US [patent_app_date] => 1991-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5464 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/137/05137573.pdf [firstpage_image] =>[orig_patent_app_number] => 771885 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/771885
Coating composition Oct 6, 1991 Issued
Array ( [id] => 2971280 [patent_doc_number] => 05194408 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Sintered ceramic microwave heating susceptor' [patent_app_type] => 1 [patent_app_number] => 7/766532 [patent_app_country] => US [patent_app_date] => 1991-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 7323 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194408.pdf [firstpage_image] =>[orig_patent_app_number] => 766532 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/766532
Sintered ceramic microwave heating susceptor Sep 26, 1991 Issued
Array ( [id] => 2799369 [patent_doc_number] => 05139975 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-18 [patent_title] => 'Sintering arrangement for enhancing removal of carbon from ceramic substrate laminates' [patent_app_type] => 1 [patent_app_number] => 7/757782 [patent_app_country] => US [patent_app_date] => 1991-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5091 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/139/05139975.pdf [firstpage_image] =>[orig_patent_app_number] => 757782 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/757782
Sintering arrangement for enhancing removal of carbon from ceramic substrate laminates Sep 10, 1991 Issued
Array ( [id] => 2934311 [patent_doc_number] => 05189132 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-23 [patent_title] => 'Polymeric hydridochlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture' [patent_app_type] => 1 [patent_app_number] => 7/759035 [patent_app_country] => US [patent_app_date] => 1991-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4564 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/189/05189132.pdf [firstpage_image] =>[orig_patent_app_number] => 759035 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/759035
Polymeric hydridochlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture Sep 4, 1991 Issued
Array ( [id] => 2889145 [patent_doc_number] => 05271871 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-21 [patent_title] => 'Conductive material and process for preparing the same' [patent_app_type] => 1 [patent_app_number] => 7/754501 [patent_app_country] => US [patent_app_date] => 1991-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 7549 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/271/05271871.pdf [firstpage_image] =>[orig_patent_app_number] => 754501 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/754501
Conductive material and process for preparing the same Sep 2, 1991 Issued
Array ( [id] => 2914346 [patent_doc_number] => 05192363 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-09 [patent_title] => 'Paper sizing compositions' [patent_app_type] => 1 [patent_app_number] => 7/753401 [patent_app_country] => US [patent_app_date] => 1991-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4354 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/192/05192363.pdf [firstpage_image] =>[orig_patent_app_number] => 753401 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/753401
Paper sizing compositions Aug 29, 1991 Issued
Array ( [id] => 2936954 [patent_doc_number] => 05190898 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Pourable molding compound containing sinterable powders' [patent_app_type] => 1 [patent_app_number] => 7/747572 [patent_app_country] => US [patent_app_date] => 1991-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5460 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/190/05190898.pdf [firstpage_image] =>[orig_patent_app_number] => 747572 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/747572
Pourable molding compound containing sinterable powders Aug 19, 1991 Issued
Array ( [id] => 2958763 [patent_doc_number] => 05273828 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Coating liquids for forming conductive coatings' [patent_app_type] => 1 [patent_app_number] => 7/746402 [patent_app_country] => US [patent_app_date] => 1991-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 17913 [patent_no_of_claims] => 4 [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/05/273/05273828.pdf [firstpage_image] =>[orig_patent_app_number] => 746402 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/746402
Coating liquids for forming conductive coatings Aug 15, 1991 Issued
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