Search

David P Porta

Supervisory Patent Examiner (ID: 12383, Phone: (571)272-2444 , Office: P/2884 )

Most Active Art Unit
2506
Art Unit(s)
2884, 2899, 2878, 2882, 3621, 2876, 2506
Total Applications
1617
Issued Applications
1310
Pending Applications
166
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2563658 [patent_doc_number] => 04945073 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-31 [patent_title] => 'High hardness, wear resistant materials' [patent_app_type] => 1 [patent_app_number] => 7/403209 [patent_app_country] => US [patent_app_date] => 1989-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 9321 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/945/04945073.pdf [firstpage_image] =>[orig_patent_app_number] => 403209 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/403209
High hardness, wear resistant materials Aug 31, 1989 Issued
Array ( [id] => 2663676 [patent_doc_number] => 05034064 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-23 [patent_title] => 'Production process of high-purity lactulose syrup' [patent_app_type] => 1 [patent_app_number] => 7/401300 [patent_app_country] => US [patent_app_date] => 1989-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3724 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/034/05034064.pdf [firstpage_image] =>[orig_patent_app_number] => 401300 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/401300
Production process of high-purity lactulose syrup Aug 30, 1989 Issued
Array ( [id] => 2971266 [patent_doc_number] => 05194407 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Molten metal-resistant ceramic fiber-containing composition' [patent_app_type] => 1 [patent_app_number] => 7/379342 [patent_app_country] => US [patent_app_date] => 1989-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4281 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194407.pdf [firstpage_image] =>[orig_patent_app_number] => 379342 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/379342
Molten metal-resistant ceramic fiber-containing composition Aug 27, 1989 Issued
Array ( [id] => 2736601 [patent_doc_number] => 05028263 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'Suspension of water-soluble polymers in aqueous media containing dissolved salts' [patent_app_type] => 1 [patent_app_number] => 7/396265 [patent_app_country] => US [patent_app_date] => 1989-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6270 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/028/05028263.pdf [firstpage_image] =>[orig_patent_app_number] => 396265 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/396265
Suspension of water-soluble polymers in aqueous media containing dissolved salts Aug 20, 1989 Issued
Array ( [id] => 2632575 [patent_doc_number] => 04977112 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-11 [patent_title] => 'Silicon nitride sintered body and a method of producing the same' [patent_app_type] => 1 [patent_app_number] => 7/394305 [patent_app_country] => US [patent_app_date] => 1989-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 8707 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/977/04977112.pdf [firstpage_image] =>[orig_patent_app_number] => 394305 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/394305
Silicon nitride sintered body and a method of producing the same Aug 15, 1989 Issued
Array ( [id] => 3475567 [patent_doc_number] => 05456745 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-10 [patent_title] => 'Flexible, hydrophilic gel film, the process for its production and the use of it' [patent_app_type] => 1 [patent_app_number] => 7/392813 [patent_app_country] => US [patent_app_date] => 1989-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 19 [patent_no_of_words] => 9558 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/456/05456745.pdf [firstpage_image] =>[orig_patent_app_number] => 392813 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/392813
Flexible, hydrophilic gel film, the process for its production and the use of it Aug 10, 1989 Issued
07/389499 PROCESS AND ARRANGEMENT FOR PREPARING A SOLUTION OF CELLULOSE Aug 3, 1989 Abandoned
Array ( [id] => 2888835 [patent_doc_number] => 05271854 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-21 [patent_title] => 'High temperature lubricant containing carboxylated styrene-butadiene latex' [patent_app_type] => 1 [patent_app_number] => 7/393064 [patent_app_country] => US [patent_app_date] => 1989-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1401 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/271/05271854.pdf [firstpage_image] =>[orig_patent_app_number] => 393064 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/393064
High temperature lubricant containing carboxylated styrene-butadiene latex Aug 3, 1989 Issued
Array ( [id] => 2704396 [patent_doc_number] => 05017304 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Liquid-crystalline polymer' [patent_app_type] => 1 [patent_app_number] => 7/383261 [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] => 2523 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/017/05017304.pdf [firstpage_image] =>[orig_patent_app_number] => 383261 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/383261
Liquid-crystalline polymer Jul 19, 1989 Issued
Array ( [id] => 2738113 [patent_doc_number] => 05002612 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Process for manufacturing tagatose' [patent_app_type] => 1 [patent_app_number] => 7/381892 [patent_app_country] => US [patent_app_date] => 1989-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4828 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/002/05002612.pdf [firstpage_image] =>[orig_patent_app_number] => 381892 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/381892
Process for manufacturing tagatose Jul 18, 1989 Issued
Array ( [id] => 2657987 [patent_doc_number] => 04962134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-09 [patent_title] => 'Dental impression material' [patent_app_type] => 1 [patent_app_number] => 7/380017 [patent_app_country] => US [patent_app_date] => 1989-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 229 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/962/04962134.pdf [firstpage_image] =>[orig_patent_app_number] => 380017 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/380017
Dental impression material Jul 13, 1989 Issued
Array ( [id] => 2657987 [patent_doc_number] => 04962134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-09 [patent_title] => 'Dental impression material' [patent_app_type] => 1 [patent_app_number] => 7/380017 [patent_app_country] => US [patent_app_date] => 1989-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 229 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/962/04962134.pdf [firstpage_image] =>[orig_patent_app_number] => 380017 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/380017
Abrasive roll and method of producing the same Jul 13, 1989 Issued
Array ( [id] => 2657987 [patent_doc_number] => 04962134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-09 [patent_title] => 'Dental impression material' [patent_app_type] => 1 [patent_app_number] => 7/380017 [patent_app_country] => US [patent_app_date] => 1989-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 229 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/962/04962134.pdf [firstpage_image] =>[orig_patent_app_number] => 380017 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/380017
Abrasive roll and method of producing the same Jul 13, 1989 Issued
Array ( [id] => 2657987 [patent_doc_number] => 04962134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-09 [patent_title] => 'Dental impression material' [patent_app_type] => 1 [patent_app_number] => 7/380017 [patent_app_country] => US [patent_app_date] => 1989-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 229 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/962/04962134.pdf [firstpage_image] =>[orig_patent_app_number] => 380017 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/380017
Dental impression material Jul 13, 1989 Issued
Array ( [id] => 2664055 [patent_doc_number] => 04904477 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Spray dried ibuprofen compositions' [patent_app_type] => 1 [patent_app_number] => 7/378480 [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] => 5981 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/904/04904477.pdf [firstpage_image] =>[orig_patent_app_number] => 378480 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/378480
Spray dried ibuprofen compositions Jul 12, 1989 Issued
Array ( [id] => 2662962 [patent_doc_number] => 05047088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Method for crystallization of fructose' [patent_app_type] => 1 [patent_app_number] => 7/374172 [patent_app_country] => US [patent_app_date] => 1989-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4952 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/047/05047088.pdf [firstpage_image] =>[orig_patent_app_number] => 374172 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/374172
Method for crystallization of fructose Jun 29, 1989 Issued
Array ( [id] => 2737388 [patent_doc_number] => 05022925 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Composition for preparing artificial stone materials' [patent_app_type] => 1 [patent_app_number] => 7/381740 [patent_app_country] => US [patent_app_date] => 1989-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2937 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/022/05022925.pdf [firstpage_image] =>[orig_patent_app_number] => 381740 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/381740
Composition for preparing artificial stone materials Jun 12, 1989 Issued
Array ( [id] => 2590368 [patent_doc_number] => 04964915 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-23 [patent_title] => 'Sizing composition, a method for the preparation thereof and a method of use' [patent_app_type] => 1 [patent_app_number] => 7/364049 [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] => 4489 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/964/04964915.pdf [firstpage_image] =>[orig_patent_app_number] => 364049 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/364049
Sizing composition, a method for the preparation thereof and a method of use Jun 7, 1989 Issued
Array ( [id] => 2575410 [patent_doc_number] => 04973465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-27 [patent_title] => 'Microcrystals comprising an active substance having an affinity for phospholipids, and at least one phospholipid, process of preparation' [patent_app_type] => 1 [patent_app_number] => 7/364481 [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] => 7902 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/973/04973465.pdf [firstpage_image] =>[orig_patent_app_number] => 364481 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/364481
Microcrystals comprising an active substance having an affinity for phospholipids, and at least one phospholipid, process of preparation Jun 7, 1989 Issued
Array ( [id] => 2561467 [patent_doc_number] => 04900359 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-13 [patent_title] => 'Cellular concrete' [patent_app_type] => 1 [patent_app_number] => 7/361827 [patent_app_country] => US [patent_app_date] => 1989-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6499 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/900/04900359.pdf [firstpage_image] =>[orig_patent_app_number] => 361827 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/361827
Cellular concrete May 31, 1989 Issued
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