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] => 2851382 [patent_doc_number] => 05084103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-28 [patent_title] => 'Strength enhancing additive for certain portland cements' [patent_app_type] => 1 [patent_app_number] => 7/561754 [patent_app_country] => US [patent_app_date] => 1990-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7609 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/084/05084103.pdf [firstpage_image] =>[orig_patent_app_number] => 561754 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561754
Strength enhancing additive for certain portland cements Aug 1, 1990 Issued
07/558253 PRODUCING IMPROVED HIGH TC SUPERCONDUCTOR BULK COMPOSITES Jul 23, 1990 Abandoned
Array ( [id] => 2706671 [patent_doc_number] => 05055432 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-08 [patent_title] => 'Process for preparing a nitridable silicon-containing material having at least one densification aid including alumina, and the material resulting therefrom' [patent_app_type] => 1 [patent_app_number] => 7/557379 [patent_app_country] => US [patent_app_date] => 1990-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6144 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/055/05055432.pdf [firstpage_image] =>[orig_patent_app_number] => 557379 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/557379
Process for preparing a nitridable silicon-containing material having at least one densification aid including alumina, and the material resulting therefrom Jul 23, 1990 Issued
Array ( [id] => 2813153 [patent_doc_number] => 05079198 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-07 [patent_title] => 'Ceramic phase in sintered silicon nitride containing cerium, aluminum, and iron' [patent_app_type] => 1 [patent_app_number] => 7/557543 [patent_app_country] => US [patent_app_date] => 1990-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5450 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/079/05079198.pdf [firstpage_image] =>[orig_patent_app_number] => 557543 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/557543
Ceramic phase in sintered silicon nitride containing cerium, aluminum, and iron Jul 23, 1990 Issued
Array ( [id] => 2894918 [patent_doc_number] => 05183787 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-02 [patent_title] => 'Amphoteric ceramic microwave heating susceptor compositions with metal salt moderators' [patent_app_type] => 1 [patent_app_number] => 7/557853 [patent_app_country] => US [patent_app_date] => 1990-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 9637 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/183/05183787.pdf [firstpage_image] =>[orig_patent_app_number] => 557853 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/557853
Amphoteric ceramic microwave heating susceptor compositions with metal salt moderators Jul 22, 1990 Issued
Array ( [id] => 2946451 [patent_doc_number] => 05180693 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-19 [patent_title] => 'Process for the production of a composite of metal oxides, composite powders of metal oxides and ceramic materials' [patent_app_type] => 1 [patent_app_number] => 7/556078 [patent_app_country] => US [patent_app_date] => 1990-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2384 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/180/05180693.pdf [firstpage_image] =>[orig_patent_app_number] => 556078 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/556078
Process for the production of a composite of metal oxides, composite powders of metal oxides and ceramic materials Jul 19, 1990 Issued
Array ( [id] => 2859706 [patent_doc_number] => 05096497 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Cement composition' [patent_app_type] => 1 [patent_app_number] => 7/476372 [patent_app_country] => US [patent_app_date] => 1990-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1581 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096497.pdf [firstpage_image] =>[orig_patent_app_number] => 476372 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/476372
Cement composition Jul 17, 1990 Issued
Array ( [id] => 2834563 [patent_doc_number] => 05120684 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Pressure assisted technique for forming self-supporting composite bodies and articles formed thereby' [patent_app_type] => 1 [patent_app_number] => 7/551289 [patent_app_country] => US [patent_app_date] => 1990-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5424 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120684.pdf [firstpage_image] =>[orig_patent_app_number] => 551289 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551289
Pressure assisted technique for forming self-supporting composite bodies and articles formed thereby Jul 11, 1990 Issued
07/549054 MOISTURE GETTING COMPOSITION FOR HERMETIC MICROELECTRONIC DEVICES Jul 5, 1990 Abandoned
Array ( [id] => 2828757 [patent_doc_number] => 05128286 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Boron-containing, silicon nitride-based ceramic shaped body' [patent_app_type] => 1 [patent_app_number] => 7/539177 [patent_app_country] => US [patent_app_date] => 1990-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11404 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/128/05128286.pdf [firstpage_image] =>[orig_patent_app_number] => 539177 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/539177
Boron-containing, silicon nitride-based ceramic shaped body Jun 17, 1990 Issued
Array ( [id] => 2806452 [patent_doc_number] => 05085707 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Defined and delaminated kaolin product' [patent_app_type] => 1 [patent_app_number] => 7/537979 [patent_app_country] => US [patent_app_date] => 1990-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5251 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/085/05085707.pdf [firstpage_image] =>[orig_patent_app_number] => 537979 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/537979
Defined and delaminated kaolin product Jun 13, 1990 Issued
07/499393 WATER-CONTAINING, HARDENABLE FOAM COMPOSITIONS WITH INORGANIC COMPONENTS AND PROCESS FOR THEIR PREPARATION Jun 10, 1990 Abandoned
07/536368 FLUID LOSS CONTROL ADDITIVES FOR OIL WELL CEMENTING COMPOSITIONS Jun 10, 1990 Abandoned
Array ( [id] => 2789810 [patent_doc_number] => 05102836 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Ceramic materials with low thermal conductivity and low coefficients of thermal expansion' [patent_app_type] => 1 [patent_app_number] => 7/533143 [patent_app_country] => US [patent_app_date] => 1990-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 9156 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/102/05102836.pdf [firstpage_image] =>[orig_patent_app_number] => 533143 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/533143
Ceramic materials with low thermal conductivity and low coefficients of thermal expansion Jun 5, 1990 Issued
Array ( [id] => 2802675 [patent_doc_number] => 05145813 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Process for manufacturing organic silazane polymers and ceramics therefrom' [patent_app_type] => 1 [patent_app_number] => 7/527109 [patent_app_country] => US [patent_app_date] => 1990-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6748 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/145/05145813.pdf [firstpage_image] =>[orig_patent_app_number] => 527109 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/527109
Process for manufacturing organic silazane polymers and ceramics therefrom May 21, 1990 Issued
Array ( [id] => 2885197 [patent_doc_number] => 05214009 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-25 [patent_title] => 'Sialon containing ceramic sinter' [patent_app_type] => 1 [patent_app_number] => 7/525781 [patent_app_country] => US [patent_app_date] => 1990-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5653 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/214/05214009.pdf [firstpage_image] =>[orig_patent_app_number] => 525781 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/525781
Sialon containing ceramic sinter May 20, 1990 Issued
07/527033 COMPOSITION AND METHOD FOR MANUFACTURING STEEL-CONTAINMENT EQUIPMENT May 20, 1990 Abandoned
Array ( [id] => 2713306 [patent_doc_number] => 05053361 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'Setter tile for use in sintering of ceramic substrate laminates' [patent_app_type] => 1 [patent_app_number] => 7/523949 [patent_app_country] => US [patent_app_date] => 1990-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5098 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/053/05053361.pdf [firstpage_image] =>[orig_patent_app_number] => 523949 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/523949
Setter tile for use in sintering of ceramic substrate laminates May 15, 1990 Issued
Array ( [id] => 2944863 [patent_doc_number] => 05221336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Method of casting a reactive metal against a surface formed from an improved slurry containing yttria' [patent_app_type] => 1 [patent_app_number] => 7/523120 [patent_app_country] => US [patent_app_date] => 1990-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 8051 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/221/05221336.pdf [firstpage_image] =>[orig_patent_app_number] => 523120 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/523120
Method of casting a reactive metal against a surface formed from an improved slurry containing yttria May 13, 1990 Issued
07/517977 COATING COMPOSITION Apr 30, 1990 Abandoned
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