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] => 3410074
[patent_doc_number] => 05393338
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1995-02-28
[patent_title] => 'Cationic compounds useful as drainage aids and stabilizers for rosin-based sizing agents'
[patent_app_type] => 1
[patent_app_number] => 7/998212
[patent_app_country] => US
[patent_app_date] => 1992-12-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9641
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 54
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/393/05393338.pdf
[firstpage_image] =>[orig_patent_app_number] => 998212
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/998212 | Cationic compounds useful as drainage aids and stabilizers for rosin-based sizing agents | Dec 29, 1992 | Issued |
Array
(
[id] => 3087894
[patent_doc_number] => 05312604
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-05-17
[patent_title] => 'Work-up of waste materials from barium or strontium sulfide leaching'
[patent_app_type] => 1
[patent_app_number] => 7/988020
[patent_app_country] => US
[patent_app_date] => 1992-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2541
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 188
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/312/05312604.pdf
[firstpage_image] =>[orig_patent_app_number] => 988020
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/988020 | Work-up of waste materials from barium or strontium sulfide leaching | Dec 8, 1992 | Issued |
Array
(
[id] => 3105643
[patent_doc_number] => 05395439
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1995-03-07
[patent_title] => 'Bitumen based mixture for coating surfaces'
[patent_app_type] => 1
[patent_app_number] => 7/987704
[patent_app_country] => US
[patent_app_date] => 1992-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 4587
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 78
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/395/05395439.pdf
[firstpage_image] =>[orig_patent_app_number] => 987704
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/987704 | Bitumen based mixture for coating surfaces | Dec 8, 1992 | Issued |
Array
(
[id] => 3042948
[patent_doc_number] => 05324353
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-06-28
[patent_title] => 'Zinc sulfide bodies having improved optical transmittance characteristics and mechanical characteristics'
[patent_app_type] => 1
[patent_app_number] => 7/985531
[patent_app_country] => US
[patent_app_date] => 1992-12-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 1791
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 17
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/324/05324353.pdf
[firstpage_image] =>[orig_patent_app_number] => 985531
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/985531 | Zinc sulfide bodies having improved optical transmittance characteristics and mechanical characteristics | Dec 2, 1992 | Issued |
Array
(
[id] => 3058806
[patent_doc_number] => 05294249
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-03-15
[patent_title] => 'Blendpolymers'
[patent_app_type] => 1
[patent_app_number] => 7/974337
[patent_app_country] => US
[patent_app_date] => 1992-11-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3700
[patent_no_of_claims] => 20
[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/05/294/05294249.pdf
[firstpage_image] =>[orig_patent_app_number] => 974337
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/974337 | Blendpolymers | Nov 9, 1992 | Issued |
Array
(
[id] => 3056831
[patent_doc_number] => 05307046
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-04-26
[patent_title] => 'Passivating coating for metal oxide varistors'
[patent_app_type] => 1
[patent_app_number] => 7/972802
[patent_app_country] => US
[patent_app_date] => 1992-11-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2005
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 122
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/307/05307046.pdf
[firstpage_image] =>[orig_patent_app_number] => 972802
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/972802 | Passivating coating for metal oxide varistors | Nov 5, 1992 | Issued |
Array
(
[id] => 3000022
[patent_doc_number] => 05354372
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-10-11
[patent_title] => 'Undercoating composition'
[patent_app_type] => 1
[patent_app_number] => 7/972103
[patent_app_country] => US
[patent_app_date] => 1992-11-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3619
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 32
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/354/05354372.pdf
[firstpage_image] =>[orig_patent_app_number] => 972103
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/972103 | Undercoating composition | Nov 4, 1992 | Issued |
Array
(
[id] => 2886303
[patent_doc_number] => 05270023
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-12-14
[patent_title] => 'Process for producing sodium carbonate, sodium bicarbonate and associated compounds'
[patent_app_type] => 1
[patent_app_number] => 7/969061
[patent_app_country] => US
[patent_app_date] => 1992-10-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2831
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 180
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/270/05270023.pdf
[firstpage_image] =>[orig_patent_app_number] => 969061
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/969061 | Process for producing sodium carbonate, sodium bicarbonate and associated compounds | Oct 29, 1992 | Issued |
Array
(
[id] => 2889937
[patent_doc_number] => 05271911
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-12-21
[patent_title] => 'Method for removing potassium from molybdenum trioxide'
[patent_app_type] => 1
[patent_app_number] => 7/968902
[patent_app_country] => US
[patent_app_date] => 1992-10-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2042
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 79
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/271/05271911.pdf
[firstpage_image] =>[orig_patent_app_number] => 968902
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/968902 | Method for removing potassium from molybdenum trioxide | Oct 29, 1992 | Issued |
Array
(
[id] => 2999675
[patent_doc_number] => 05330567
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-07-19
[patent_title] => 'Process and arrangement for preparing a solution of cellulose'
[patent_app_type] => 1
[patent_app_number] => 7/998774
[patent_app_country] => US
[patent_app_date] => 1992-10-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 2482
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 259
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/330/05330567.pdf
[firstpage_image] =>[orig_patent_app_number] => 998774
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/998774 | Process and arrangement for preparing a solution of cellulose | Oct 27, 1992 | Issued |
Array
(
[id] => 2887166
[patent_doc_number] => 05271767
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-12-21
[patent_title] => 'Odor-free hot-mix asphalt composition'
[patent_app_type] => 1
[patent_app_number] => 7/961495
[patent_app_country] => US
[patent_app_date] => 1992-10-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6263
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 63
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/271/05271767.pdf
[firstpage_image] =>[orig_patent_app_number] => 961495
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/961495 | Odor-free hot-mix asphalt composition | Oct 15, 1992 | Issued |
07/960920 | AGGREGATES AND STRUCTURES INCLUDING SAME | Oct 12, 1992 | Abandoned |
Array
(
[id] => 3082067
[patent_doc_number] => 05277883
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-01-11
[patent_title] => 'Recovery of metal values from aqueous solutions'
[patent_app_type] => 1
[patent_app_number] => 7/959530
[patent_app_country] => US
[patent_app_date] => 1992-10-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3479
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 146
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/277/05277883.pdf
[firstpage_image] =>[orig_patent_app_number] => 959530
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/959530 | Recovery of metal values from aqueous solutions | Oct 12, 1992 | Issued |
07/950700 | METHOD AND DEVICE FOR PICKLING THE EDGE PORTIONS OF A SHEET IMMERSED IN A REACTIVE SOLUTION, IN PARTICULAR A HOT ROLLED SHEET | Sep 24, 1992 | Abandoned |
Array
(
[id] => 2926205
[patent_doc_number] => 05246488
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-09-21
[patent_title] => 'Temporary rust resisting coating composition'
[patent_app_type] => 1
[patent_app_number] => 7/946163
[patent_app_country] => US
[patent_app_date] => 1992-09-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2420
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 236
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/246/05246488.pdf
[firstpage_image] =>[orig_patent_app_number] => 946163
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/946163 | Temporary rust resisting coating composition | Sep 16, 1992 | Issued |
Array
(
[id] => 3087758
[patent_doc_number] => 05290525
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-03-01
[patent_title] => 'Removal of base metals and cyanide from gold-barren CIP solutions'
[patent_app_type] => 1
[patent_app_number] => 7/945018
[patent_app_country] => US
[patent_app_date] => 1992-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2074
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 55
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/290/05290525.pdf
[firstpage_image] =>[orig_patent_app_number] => 945018
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/945018 | Removal of base metals and cyanide from gold-barren CIP solutions | Sep 13, 1992 | Issued |
Array
(
[id] => 3062173
[patent_doc_number] => 05294416
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-03-15
[patent_title] => 'Process for the preparation of HBN'
[patent_app_type] => 1
[patent_app_number] => 7/943768
[patent_app_country] => US
[patent_app_date] => 1992-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2405
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 94
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/294/05294416.pdf
[firstpage_image] =>[orig_patent_app_number] => 943768
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/943768 | Process for the preparation of HBN | Sep 10, 1992 | Issued |
Array
(
[id] => 2941228
[patent_doc_number] => 05261965
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-11-16
[patent_title] => 'Semiconductor wafer cleaning using condensed-phase processing'
[patent_app_type] => 1
[patent_app_number] => 7/937232
[patent_app_country] => US
[patent_app_date] => 1992-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 5672
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 88
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/261/05261965.pdf
[firstpage_image] =>[orig_patent_app_number] => 937232
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/937232 | Semiconductor wafer cleaning using condensed-phase processing | Aug 27, 1992 | Issued |
Array
(
[id] => 3027950
[patent_doc_number] => 05300145
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-04-05
[patent_title] => 'Low amylopectin starch'
[patent_app_type] => 1
[patent_app_number] => 7/937794
[patent_app_country] => US
[patent_app_date] => 1992-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 7971
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 8
[patent_words_short_claim] => 30
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/300/05300145.pdf
[firstpage_image] =>[orig_patent_app_number] => 937794
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/937794 | Low amylopectin starch | Aug 27, 1992 | Issued |
Array
(
[id] => 2978705
[patent_doc_number] => 05250273
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-10-05
[patent_title] => 'Hydrometallurgical leaching process and apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/933904
[patent_app_country] => US
[patent_app_date] => 1992-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 9130
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 80
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/250/05250273.pdf
[firstpage_image] =>[orig_patent_app_number] => 933904
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/933904 | Hydrometallurgical leaching process and apparatus | Aug 26, 1992 | Issued |