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] => 2728165 [patent_doc_number] => 04997485 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Aggregate for concrete or a similar building material and a method of producing such aggregate' [patent_app_type] => 1 [patent_app_number] => 7/406457 [patent_app_country] => US [patent_app_date] => 1989-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1003 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997485.pdf [firstpage_image] =>[orig_patent_app_number] => 406457 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/406457
Aggregate for concrete or a similar building material and a method of producing such aggregate Sep 12, 1989 Issued
Array ( [id] => 2686884 [patent_doc_number] => 05019170 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-28 [patent_title] => 'Coated free aggregate usable in wood concrete technology and method of making the same' [patent_app_type] => 1 [patent_app_number] => 7/406445 [patent_app_country] => US [patent_app_date] => 1989-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1973 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/019/05019170.pdf [firstpage_image] =>[orig_patent_app_number] => 406445 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/406445
Coated free aggregate usable in wood concrete technology and method of making the same Sep 12, 1989 Issued
Array ( [id] => 2967012 [patent_doc_number] => 05194180 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Ionically conductive material and method for its preparation' [patent_app_type] => 1 [patent_app_number] => 7/404706 [patent_app_country] => US [patent_app_date] => 1989-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3994 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194180.pdf [firstpage_image] =>[orig_patent_app_number] => 404706 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/404706
Ionically conductive material and method for its preparation Sep 7, 1989 Issued
Array ( [id] => 2734109 [patent_doc_number] => 04997797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Method of effecting glass-capsule hip for ceramic formed body' [patent_app_type] => 1 [patent_app_number] => 7/404429 [patent_app_country] => US [patent_app_date] => 1989-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1950 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997797.pdf [firstpage_image] =>[orig_patent_app_number] => 404429 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/404429
Method of effecting glass-capsule hip for ceramic formed body Sep 7, 1989 Issued
Array ( [id] => 2903173 [patent_doc_number] => 05236501 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Method for producing a cementitious composition in powder form' [patent_app_type] => 1 [patent_app_number] => 7/404234 [patent_app_country] => US [patent_app_date] => 1989-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9316 [patent_no_of_claims] => 14 [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/05/236/05236501.pdf [firstpage_image] =>[orig_patent_app_number] => 404234 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/404234
Method for producing a cementitious composition in powder form Sep 6, 1989 Issued
Array ( [id] => 2862982 [patent_doc_number] => 05096666 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Rare earth and aluminium containing galvanizing bath and method' [patent_app_type] => 1 [patent_app_number] => 7/402032 [patent_app_country] => US [patent_app_date] => 1989-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2453 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096666.pdf [firstpage_image] =>[orig_patent_app_number] => 402032 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/402032
Rare earth and aluminium containing galvanizing bath and method Sep 4, 1989 Issued
Array ( [id] => 2856272 [patent_doc_number] => 05082581 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-21 [patent_title] => 'Aqueous magnetic fluid composition and process for producing thereof' [patent_app_type] => 1 [patent_app_number] => 7/400723 [patent_app_country] => US [patent_app_date] => 1989-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2688 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/082/05082581.pdf [firstpage_image] =>[orig_patent_app_number] => 400723 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/400723
Aqueous magnetic fluid composition and process for producing thereof Aug 29, 1989 Issued
Array ( [id] => 2708607 [patent_doc_number] => 05017530 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Silicon nitride sintered body and process for preparation thereof' [patent_app_type] => 1 [patent_app_number] => 7/401508 [patent_app_country] => US [patent_app_date] => 1989-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2768 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/017/05017530.pdf [firstpage_image] =>[orig_patent_app_number] => 401508 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/401508
Silicon nitride sintered body and process for preparation thereof Aug 29, 1989 Issued
Array ( [id] => 2708677 [patent_doc_number] => 05017534 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Method for the fabrication of a ceramic material by hybrid chemical process and material obtained thereby' [patent_app_type] => 1 [patent_app_number] => 7/400708 [patent_app_country] => US [patent_app_date] => 1989-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4955 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/017/05017534.pdf [firstpage_image] =>[orig_patent_app_number] => 400708 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/400708
Method for the fabrication of a ceramic material by hybrid chemical process and material obtained thereby Aug 29, 1989 Issued
Array ( [id] => 2656479 [patent_doc_number] => 04971934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-20 [patent_title] => 'Refractory composition' [patent_app_type] => 1 [patent_app_number] => 7/397587 [patent_app_country] => US [patent_app_date] => 1989-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3177 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/971/04971934.pdf [firstpage_image] =>[orig_patent_app_number] => 397587 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/397587
Refractory composition Aug 22, 1989 Issued
Array ( [id] => 2681884 [patent_doc_number] => 05045513 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-03 [patent_title] => 'Sintered body of silicon nitride and its manufacture' [patent_app_type] => 1 [patent_app_number] => 7/393726 [patent_app_country] => US [patent_app_date] => 1989-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3281 [patent_no_of_claims] => 4 [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/05/045/05045513.pdf [firstpage_image] =>[orig_patent_app_number] => 393726 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/393726
Sintered body of silicon nitride and its manufacture Aug 14, 1989 Issued
Array ( [id] => 2687049 [patent_doc_number] => 05064472 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-12 [patent_title] => 'Composition' [patent_app_type] => 1 [patent_app_number] => 7/394306 [patent_app_country] => US [patent_app_date] => 1989-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7055 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/064/05064472.pdf [firstpage_image] =>[orig_patent_app_number] => 394306 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/394306
Composition Aug 13, 1989 Issued
07/389778 POROUS DIELECTRIC COMPOSITIONS Aug 3, 1989 Abandoned
Array ( [id] => 2713448 [patent_doc_number] => 05053370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'Aluminum oxide ceramics having improved mechanical properties' [patent_app_type] => 1 [patent_app_number] => 7/386549 [patent_app_country] => US [patent_app_date] => 1989-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3379 [patent_no_of_claims] => 23 [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/05/053/05053370.pdf [firstpage_image] =>[orig_patent_app_number] => 386549 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/386549
Aluminum oxide ceramics having improved mechanical properties Jul 26, 1989 Issued
Array ( [id] => 2873061 [patent_doc_number] => 05185039 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Hydraulic composition' [patent_app_type] => 1 [patent_app_number] => 7/382772 [patent_app_country] => US [patent_app_date] => 1989-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7629 [patent_no_of_claims] => 7 [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/05/185/05185039.pdf [firstpage_image] =>[orig_patent_app_number] => 382772 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/382772
Hydraulic composition Jul 19, 1989 Issued
Array ( [id] => 2591032 [patent_doc_number] => 04975121 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [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] => 7/379368 [patent_app_country] => US [patent_app_date] => 1989-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2796 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/975/04975121.pdf [firstpage_image] =>[orig_patent_app_number] => 379368 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/379368
Durability improving agent for cement-hydraulic-set substances, method of improving same, and cement-hydraulic-set substances improved in durability Jul 12, 1989 Issued
07/373061 FIBER-REINFORCED AND PARTICLE-DISPERSION REINFORCED MULLITE COMPOSITE MATERIAL AND METHOD OF PRODUCING THE SAME Jun 28, 1989 Abandoned
Array ( [id] => 2596404 [patent_doc_number] => 04948429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-14 [patent_title] => 'Method of controlling air entrainment in concrete compositions' [patent_app_type] => 1 [patent_app_number] => 7/366908 [patent_app_country] => US [patent_app_date] => 1989-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2707 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/948/04948429.pdf [firstpage_image] =>[orig_patent_app_number] => 366908 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/366908
Method of controlling air entrainment in concrete compositions Jun 13, 1989 Issued
Array ( [id] => 2787738 [patent_doc_number] => 05100844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-31 [patent_title] => 'Preceramic compositions and ceramic products' [patent_app_type] => 1 [patent_app_number] => 7/363486 [patent_app_country] => US [patent_app_date] => 1989-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1910 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/100/05100844.pdf [firstpage_image] =>[orig_patent_app_number] => 363486 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/363486
Preceramic compositions and ceramic products Jun 7, 1989 Issued
Array ( [id] => 2703050 [patent_doc_number] => 05017230 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Asphalt additive compositions' [patent_app_type] => 1 [patent_app_number] => 7/361185 [patent_app_country] => US [patent_app_date] => 1989-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12163 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/017/05017230.pdf [firstpage_image] =>[orig_patent_app_number] => 361185 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/361185
Asphalt additive compositions Jun 4, 1989 Issued
Menu