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] => 2728184 [patent_doc_number] => 04997486 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Method of producing a solid secondary raw material containing calcium sulfate' [patent_app_type] => 1 [patent_app_number] => 7/539772 [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] => 2072 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997486.pdf [firstpage_image] =>[orig_patent_app_number] => 539772 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/539772
Method of producing a solid secondary raw material containing calcium sulfate Jun 17, 1990 Issued
Array ( [id] => 2743612 [patent_doc_number] => 05021145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Catalyst' [patent_app_type] => 1 [patent_app_number] => 7/533443 [patent_app_country] => US [patent_app_date] => 1990-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3096 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/021/05021145.pdf [firstpage_image] =>[orig_patent_app_number] => 533443 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/533443
Catalyst Jun 4, 1990 Issued
Array ( [id] => 2834933 [patent_doc_number] => 05137571 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Method for improving thickeners for aqueous systems' [patent_app_type] => 1 [patent_app_number] => 7/533148 [patent_app_country] => US [patent_app_date] => 1990-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6171 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/137/05137571.pdf [firstpage_image] =>[orig_patent_app_number] => 533148 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/533148
Method for improving thickeners for aqueous systems Jun 4, 1990 Issued
07/530332 METAL BORIDE CERAMIC MATERIAL May 29, 1990 Abandoned
Array ( [id] => 3079297 [patent_doc_number] => 05284510 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-08 [patent_title] => 'Organic solvent based liquid composition for enhancing adherence of coatings to substrates' [patent_app_type] => 1 [patent_app_number] => 7/523810 [patent_app_country] => US [patent_app_date] => 1990-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2358 [patent_no_of_claims] => 3 [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/05/284/05284510.pdf [firstpage_image] =>[orig_patent_app_number] => 523810 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/523810
Organic solvent based liquid composition for enhancing adherence of coatings to substrates May 15, 1990 Issued
Array ( [id] => 2926074 [patent_doc_number] => 05196061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Cementitious composite that includes delignified cellulosic material and process of making it' [patent_app_type] => 1 [patent_app_number] => 7/514831 [patent_app_country] => US [patent_app_date] => 1990-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3695 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/196/05196061.pdf [firstpage_image] =>[orig_patent_app_number] => 514831 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/514831
Cementitious composite that includes delignified cellulosic material and process of making it Apr 25, 1990 Issued
07/465235 CEMENT/ASPHALT MIXTURES AND PROCESSES FOR PREPARATION OF THE SAME Apr 24, 1990 Abandoned
07/512716 HIGH HARDNESS, WEAR RESISTANT MATERIALS Apr 22, 1990 Abandoned
07/513349 BACTERIAL CELLULOSE BINDING AGENT Apr 19, 1990 Abandoned
Array ( [id] => 3455326 [patent_doc_number] => 05382287 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-17 [patent_title] => 'Clay and mica replacement with CMC in joint compound' [patent_app_type] => 1 [patent_app_number] => 7/508563 [patent_app_country] => US [patent_app_date] => 1990-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1159 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/382/05382287.pdf [firstpage_image] =>[orig_patent_app_number] => 508563 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/508563
Clay and mica replacement with CMC in joint compound Apr 12, 1990 Issued
Array ( [id] => 2699675 [patent_doc_number] => 05000788 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-19 [patent_title] => 'Method for preparing starch based corrugating adhesives using waste wash water' [patent_app_type] => 1 [patent_app_number] => 7/507822 [patent_app_country] => US [patent_app_date] => 1990-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4275 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/000/05000788.pdf [firstpage_image] =>[orig_patent_app_number] => 507822 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/507822
Method for preparing starch based corrugating adhesives using waste wash water Apr 11, 1990 Issued
07/512556 FLUORINE CONTAINING LUBRICATING COMPOSITION FOR RELATIVELY MOVING METAL SURFACES Apr 10, 1990 Abandoned
07/507662 ANIMAL LITTER AND A METHOD FOR ITS MANUFACTURE Apr 9, 1990 Abandoned
Array ( [id] => 2776068 [patent_doc_number] => 05164003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Room temperature curable surface coating and methods of producing and applying same' [patent_app_type] => 1 [patent_app_number] => 7/500779 [patent_app_country] => US [patent_app_date] => 1990-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4879 [patent_no_of_claims] => 20 [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/05/164/05164003.pdf [firstpage_image] =>[orig_patent_app_number] => 500779 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/500779
Room temperature curable surface coating and methods of producing and applying same Mar 27, 1990 Issued
Array ( [id] => 2780347 [patent_doc_number] => 05130055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Ceramic composite and process for the production thereof' [patent_app_type] => 1 [patent_app_number] => 7/500102 [patent_app_country] => US [patent_app_date] => 1990-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 21 [patent_no_of_words] => 17191 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/130/05130055.pdf [firstpage_image] =>[orig_patent_app_number] => 500102 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/500102
Ceramic composite and process for the production thereof Mar 25, 1990 Issued
07/497070 COMPOSITIONS AND METHODS OF MAKING NO MIX CEMENTS Mar 20, 1990 Abandoned
Array ( [id] => 2846222 [patent_doc_number] => 05112400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Clay thickener for use in water-based systems and joint compounds containing such compositions' [patent_app_type] => 1 [patent_app_number] => 7/489195 [patent_app_country] => US [patent_app_date] => 1990-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6073 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/112/05112400.pdf [firstpage_image] =>[orig_patent_app_number] => 489195 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/489195
Clay thickener for use in water-based systems and joint compounds containing such compositions Mar 5, 1990 Issued
Array ( [id] => 2668031 [patent_doc_number] => 05026557 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Adjuvant composition' [patent_app_type] => 1 [patent_app_number] => 7/483263 [patent_app_country] => US [patent_app_date] => 1990-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3971 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/026/05026557.pdf [firstpage_image] =>[orig_patent_app_number] => 483263 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/483263
Adjuvant composition Feb 13, 1990 Issued
Array ( [id] => 2805352 [patent_doc_number] => 05078791 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-07 [patent_title] => 'Film forming composition' [patent_app_type] => 1 [patent_app_number] => 7/475777 [patent_app_country] => US [patent_app_date] => 1990-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3195 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/078/05078791.pdf [firstpage_image] =>[orig_patent_app_number] => 475777 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/475777
Film forming composition Feb 5, 1990 Issued
Array ( [id] => 2664233 [patent_doc_number] => 04999058 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-12 [patent_title] => 'Lactitol trihydrate crystal, crystalline mixture solid containing it and process for preparing them' [patent_app_type] => 1 [patent_app_number] => 7/469342 [patent_app_country] => US [patent_app_date] => 1990-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4852 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/999/04999058.pdf [firstpage_image] =>[orig_patent_app_number] => 469342 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/469342
Lactitol trihydrate crystal, crystalline mixture solid containing it and process for preparing them Jan 23, 1990 Issued
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