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 number | Title of the application | Filing Date | Status |
---|---|---|---|
Array
(
[id] => 3085677
[patent_doc_number] => 05312483
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-05-17
[patent_title] => 'Adhesion of asphalt to aggregates'
[patent_app_type] => 1
[patent_app_number] => 7/815835
[patent_app_country] => US
[patent_app_date] => 1991-12-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 5128
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 123
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/312/05312483.pdf
[firstpage_image] =>[orig_patent_app_number] => 815835
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/815835 | Adhesion of asphalt to aggregates | Dec 26, 1991 | Issued |
07/776242 | PRODUCTION OF ACID SOLUBLE TITANIA | Dec 26, 1991 | Abandoned |
Array
(
[id] => 2944419
[patent_doc_number] => 05262136
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-11-16
[patent_title] => 'Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides'
[patent_app_type] => 1
[patent_app_number] => 7/778871
[patent_app_country] => US
[patent_app_date] => 1991-12-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2059
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 91
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/262/05262136.pdf
[firstpage_image] =>[orig_patent_app_number] => 778871
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/778871 | Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides | Dec 23, 1991 | Issued |
Array
(
[id] => 2941482
[patent_doc_number] => 05180428
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-19
[patent_title] => 'In situ rejuvenation of aged and cracked asphalt pavement'
[patent_app_type] => 1
[patent_app_number] => 7/814066
[patent_app_country] => US
[patent_app_date] => 1991-12-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1959
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 153
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/180/05180428.pdf
[firstpage_image] =>[orig_patent_app_number] => 814066
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/814066 | In situ rejuvenation of aged and cracked asphalt pavement | Dec 23, 1991 | Issued |
Array
(
[id] => 3036152
[patent_doc_number] => 05286289
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-02-15
[patent_title] => 'Combination iron stain and coating for masonry concrete and like material and method of forming the same'
[patent_app_type] => 1
[patent_app_number] => 7/811659
[patent_app_country] => US
[patent_app_date] => 1991-12-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2489
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 221
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/286/05286289.pdf
[firstpage_image] =>[orig_patent_app_number] => 811659
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/811659 | Combination iron stain and coating for masonry concrete and like material and method of forming the same | Dec 22, 1991 | Issued |
Array
(
[id] => 2978758
[patent_doc_number] => 05250276
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-10-05
[patent_title] => 'Method for preparing ferric chloride'
[patent_app_type] => 1
[patent_app_number] => 7/811313
[patent_app_country] => US
[patent_app_date] => 1991-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1685
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 110
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/250/05250276.pdf
[firstpage_image] =>[orig_patent_app_number] => 811313
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/811313 | Method for preparing ferric chloride | Dec 19, 1991 | Issued |
Array
(
[id] => 2910369
[patent_doc_number] => 05205864
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-27
[patent_title] => 'Inorganic based strippable coatings for isolating hazardous materials and method for making and using the same'
[patent_app_type] => 1
[patent_app_number] => 7/811362
[patent_app_country] => US
[patent_app_date] => 1991-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1655
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 77
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/205/05205864.pdf
[firstpage_image] =>[orig_patent_app_number] => 811362
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/811362 | Inorganic based strippable coatings for isolating hazardous materials and method for making and using the same | Dec 19, 1991 | Issued |
Array
(
[id] => 3796873
[patent_doc_number] => 05830266
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-11-03
[patent_title] => 'Slow burning alcohol-free nitrocellulose'
[patent_app_type] => 1
[patent_app_number] => 7/811336
[patent_app_country] => US
[patent_app_date] => 1991-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1931
[patent_no_of_claims] => 12
[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/05/830/05830266.pdf
[firstpage_image] =>[orig_patent_app_number] => 811336
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/811336 | Slow burning alcohol-free nitrocellulose | Dec 19, 1991 | Issued |
Array
(
[id] => 2999709
[patent_doc_number] => 05330569
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-07-19
[patent_title] => 'Industrial asphalts'
[patent_app_type] => 1
[patent_app_number] => 7/809655
[patent_app_country] => US
[patent_app_date] => 1991-12-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 7214
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/330/05330569.pdf
[firstpage_image] =>[orig_patent_app_number] => 809655
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/809655 | Industrial asphalts | Dec 17, 1991 | Issued |
Array
(
[id] => 2938504
[patent_doc_number] => 05254320
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-10-19
[patent_title] => 'Method for roasting sulphide ores'
[patent_app_type] => 1
[patent_app_number] => 7/808720
[patent_app_country] => US
[patent_app_date] => 1991-12-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3141
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 140
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/254/05254320.pdf
[firstpage_image] =>[orig_patent_app_number] => 808720
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/808720 | Method for roasting sulphide ores | Dec 16, 1991 | Issued |
Array
(
[id] => 2960481
[patent_doc_number] => 05201946
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-13
[patent_title] => 'Liquid spray mask and method'
[patent_app_type] => 1
[patent_app_number] => 7/808737
[patent_app_country] => US
[patent_app_date] => 1991-12-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 4874
[patent_no_of_claims] => 1
[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/05/201/05201946.pdf
[firstpage_image] =>[orig_patent_app_number] => 808737
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/808737 | Liquid spray mask and method | Dec 16, 1991 | Issued |
07/809210 | ZINC SULFIDE BODIES HAVING IMPROVED OPTICAL TRANSMITTANCE CHARACTERISTICS AND MECHANICAL CHARACTERISTICS | Dec 15, 1991 | Abandoned |
Array
(
[id] => 2905263
[patent_doc_number] => 05215945
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-01
[patent_title] => 'High hardness, wear resistant materials'
[patent_app_type] => 1
[patent_app_number] => 7/807806
[patent_app_country] => US
[patent_app_date] => 1991-12-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 13904
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 11
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/215/05215945.pdf
[firstpage_image] =>[orig_patent_app_number] => 807806
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/807806 | High hardness, wear resistant materials | Dec 12, 1991 | Issued |
Array
(
[id] => 2975355
[patent_doc_number] => 05256608
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-10-26
[patent_title] => 'High hardness, wear resistant materials'
[patent_app_type] => 1
[patent_app_number] => 7/806984
[patent_app_country] => US
[patent_app_date] => 1991-12-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 13919
[patent_no_of_claims] => 33
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/256/05256608.pdf
[firstpage_image] =>[orig_patent_app_number] => 806984
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/806984 | High hardness, wear resistant materials | Dec 12, 1991 | Issued |
Array
(
[id] => 2941201
[patent_doc_number] => 05223460
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-29
[patent_title] => 'High hardness, wear resistant materials'
[patent_app_type] => 1
[patent_app_number] => 7/806983
[patent_app_country] => US
[patent_app_date] => 1991-12-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 13921
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 129
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/223/05223460.pdf
[firstpage_image] =>[orig_patent_app_number] => 806983
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/806983 | High hardness, wear resistant materials | Dec 12, 1991 | Issued |
Array
(
[id] => 2944820
[patent_doc_number] => 05223652
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-29
[patent_title] => 'Key and keyboard'
[patent_app_type] => 1
[patent_app_number] => 7/804966
[patent_app_country] => US
[patent_app_date] => 1991-12-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 2098
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 86
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/223/05223652.pdf
[firstpage_image] =>[orig_patent_app_number] => 804966
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/804966 | Key and keyboard | Dec 10, 1991 | Issued |
Array
(
[id] => 3022633
[patent_doc_number] => 05342449
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-08-30
[patent_title] => 'Process for the decontamination of toxic, heavy-metal containing soils'
[patent_app_type] => 1
[patent_app_number] => 7/804065
[patent_app_country] => US
[patent_app_date] => 1991-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 9147
[patent_no_of_claims] => 64
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 150
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/342/05342449.pdf
[firstpage_image] =>[orig_patent_app_number] => 804065
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/804065 | Process for the decontamination of toxic, heavy-metal containing soils | Dec 8, 1991 | Issued |
Array
(
[id] => 3084224
[patent_doc_number] => 05290351
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-03-01
[patent_title] => 'Composition for rendering waste substances harmless'
[patent_app_type] => 1
[patent_app_number] => 7/804310
[patent_app_country] => US
[patent_app_date] => 1991-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2379
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 39
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/290/05290351.pdf
[firstpage_image] =>[orig_patent_app_number] => 804310
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/804310 | Composition for rendering waste substances harmless | Dec 8, 1991 | Issued |
Array
(
[id] => 3011332
[patent_doc_number] => 05288317
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-02-22
[patent_title] => 'Dissolving method'
[patent_app_type] => 1
[patent_app_number] => 7/803969
[patent_app_country] => US
[patent_app_date] => 1991-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 3493
[patent_no_of_claims] => 5
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[patent_words_short_claim] => 100
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/288/05288317.pdf
[firstpage_image] =>[orig_patent_app_number] => 803969
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/803969 | Dissolving method | Dec 8, 1991 | Issued |
Array
(
[id] => 2933047
[patent_doc_number] => 05223035
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-29
[patent_title] => 'Pozzolan blends'
[patent_app_type] => 1
[patent_app_number] => 7/804359
[patent_app_country] => US
[patent_app_date] => 1991-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3548
[patent_no_of_claims] => 15
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/223/05223035.pdf
[firstpage_image] =>[orig_patent_app_number] => 804359
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/804359 | Pozzolan blends | Dec 8, 1991 | Issued |