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] => 2632543 [patent_doc_number] => 04952539 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Method for the manufacture of transparent aluminum oxide ceramic' [patent_app_type] => 1 [patent_app_number] => 7/302189 [patent_app_country] => US [patent_app_date] => 1989-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4034 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/952/04952539.pdf [firstpage_image] =>[orig_patent_app_number] => 302189 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/302189
Method for the manufacture of transparent aluminum oxide ceramic Jan 22, 1989 Issued
Array ( [id] => 2632543 [patent_doc_number] => 04952539 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Method for the manufacture of transparent aluminum oxide ceramic' [patent_app_type] => 1 [patent_app_number] => 7/302189 [patent_app_country] => US [patent_app_date] => 1989-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4034 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/952/04952539.pdf [firstpage_image] =>[orig_patent_app_number] => 302189 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/302189
Method for the manufacture of transparent aluminum oxide ceramic Jan 22, 1989 Issued
Array ( [id] => 2620140 [patent_doc_number] => 04956121 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Dimethylacetamide mica and vermiculite suspensions' [patent_app_type] => 1 [patent_app_number] => 7/296954 [patent_app_country] => US [patent_app_date] => 1989-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3281 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/956/04956121.pdf [firstpage_image] =>[orig_patent_app_number] => 296954 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/296954
Dimethylacetamide mica and vermiculite suspensions Jan 16, 1989 Issued
07/293846 CERAMIC COMPOSITE COATING Jan 4, 1989 Abandoned
Array ( [id] => 2573395 [patent_doc_number] => 04973359 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-27 [patent_title] => 'Surface treatment chemical and bath for forming hydrophilic coatings and method of surface-treating aluminum members' [patent_app_type] => 1 [patent_app_number] => 7/293290 [patent_app_country] => US [patent_app_date] => 1989-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8178 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/973/04973359.pdf [firstpage_image] =>[orig_patent_app_number] => 293290 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/293290
Surface treatment chemical and bath for forming hydrophilic coatings and method of surface-treating aluminum members Jan 3, 1989 Issued
Array ( [id] => 2468694 [patent_doc_number] => 04878947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-07 [patent_title] => 'Method for manufacture of porous refractory articles' [patent_app_type] => 1 [patent_app_number] => 7/290815 [patent_app_country] => US [patent_app_date] => 1988-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4003 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/878/04878947.pdf [firstpage_image] =>[orig_patent_app_number] => 290815 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/290815
Method for manufacture of porous refractory articles Dec 21, 1988 Issued
07/285572 METAL BORIDE CERAMIC MATERIAL Dec 15, 1988 Abandoned
Array ( [id] => 2738369 [patent_doc_number] => 05011532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-30 [patent_title] => 'Dispersed systems and method of manufacture' [patent_app_type] => 1 [patent_app_number] => 7/283742 [patent_app_country] => US [patent_app_date] => 1988-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4174 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/011/05011532.pdf [firstpage_image] =>[orig_patent_app_number] => 283742 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/283742
Dispersed systems and method of manufacture Dec 12, 1988 Issued
Array ( [id] => 2551578 [patent_doc_number] => 04960467 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-02 [patent_title] => 'Dermal substance collection device' [patent_app_type] => 1 [patent_app_number] => 7/283347 [patent_app_country] => US [patent_app_date] => 1988-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 6818 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/960/04960467.pdf [firstpage_image] =>[orig_patent_app_number] => 283347 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/283347
Dermal substance collection device Dec 11, 1988 Issued
07/280558 LOW-VISCOSITY CEMENT COMPOSITION Dec 5, 1988 Abandoned
Array ( [id] => 2762144 [patent_doc_number] => 04994421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-19 [patent_title] => 'Electro-optical polycrystalline barium lanthanum titanium niobate' [patent_app_type] => 1 [patent_app_number] => 7/278994 [patent_app_country] => US [patent_app_date] => 1988-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2338 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/994/04994421.pdf [firstpage_image] =>[orig_patent_app_number] => 278994 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/278994
Electro-optical polycrystalline barium lanthanum titanium niobate Dec 1, 1988 Issued
Array ( [id] => 2728124 [patent_doc_number] => 04997483 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Stabilizing bituminous material' [patent_app_type] => 1 [patent_app_number] => 7/276202 [patent_app_country] => US [patent_app_date] => 1988-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1379 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997483.pdf [firstpage_image] =>[orig_patent_app_number] => 276202 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/276202
Stabilizing bituminous material Nov 22, 1988 Issued
07/274617 CEMENTITIOUS COMPOSITE AND PROCESS OF MAKING SAME Nov 21, 1988 Abandoned
Array ( [id] => 2586573 [patent_doc_number] => 04963515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-16 [patent_title] => 'Lightweight hydrogel-bound aggregate shapes and process for producing same' [patent_app_type] => 1 [patent_app_number] => 7/273208 [patent_app_country] => US [patent_app_date] => 1988-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8370 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/963/04963515.pdf [firstpage_image] =>[orig_patent_app_number] => 273208 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/273208
Lightweight hydrogel-bound aggregate shapes and process for producing same Nov 17, 1988 Issued
Array ( [id] => 2706203 [patent_doc_number] => 04981821 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-01 [patent_title] => 'Low temperature binder compound for refractory aggregates and refractory products of improved cold strength' [patent_app_type] => 1 [patent_app_number] => 7/271657 [patent_app_country] => US [patent_app_date] => 1988-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4465 [patent_no_of_claims] => 68 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/981/04981821.pdf [firstpage_image] =>[orig_patent_app_number] => 271657 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/271657
Low temperature binder compound for refractory aggregates and refractory products of improved cold strength Nov 15, 1988 Issued
Array ( [id] => 2623877 [patent_doc_number] => 04956315 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Whisker reinforced ceramics and a method of clad/hot isostatic pressing same' [patent_app_type] => 1 [patent_app_number] => 7/272200 [patent_app_country] => US [patent_app_date] => 1988-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4321 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/956/04956315.pdf [firstpage_image] =>[orig_patent_app_number] => 272200 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/272200
Whisker reinforced ceramics and a method of clad/hot isostatic pressing same Nov 15, 1988 Issued
07/266872 SI3N4-A12O3 COMPOSITE SINTERED BODIES AND METHOD OF PRODUCING THE SAME Nov 2, 1988 Abandoned
Array ( [id] => 2693488 [patent_doc_number] => 04990470 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'High-strength and high-toughness sinter and process for producing the same' [patent_app_type] => 1 [patent_app_number] => 7/265254 [patent_app_country] => US [patent_app_date] => 1988-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 7332 [patent_no_of_claims] => 4 [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/04/990/04990470.pdf [firstpage_image] =>[orig_patent_app_number] => 265254 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/265254
High-strength and high-toughness sinter and process for producing the same Oct 30, 1988 Issued
07/265283 FLUORINE CONTAINING LUBRICATING COMPOSITION FOR RELATIVELY MOVING METAL SURFACES Oct 25, 1988 Abandoned
Array ( [id] => 2705406 [patent_doc_number] => 05001088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-19 [patent_title] => 'Method for producing porous form bodies' [patent_app_type] => 1 [patent_app_number] => 7/262479 [patent_app_country] => US [patent_app_date] => 1988-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3391 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/001/05001088.pdf [firstpage_image] =>[orig_patent_app_number] => 262479 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/262479
Method for producing porous form bodies Oct 24, 1988 Issued
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