Search

Andrew T Sever

Examiner (ID: 14654)

Most Active Art Unit
2851
Art Unit(s)
2851
Total Applications
495
Issued Applications
410
Pending Applications
7
Abandoned Applications
78

Applications

Application numberTitle of the applicationFiling DateStatus
06/665341 GOLD RECOVERY BY SULFHYDRIC-FATTY ACID FLOTATION AS APPLIED TO GOLD ORES/CYANIDATION TAILINGS Oct 25, 1984 Abandoned
Array ( [id] => 2263377 [patent_doc_number] => 04629502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-16 [patent_title] => 'Pressurized reaction of refractory ores with heat recovery' [patent_app_type] => 1 [patent_app_number] => 6/664733 [patent_app_country] => US [patent_app_date] => 1984-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2544 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/629/04629502.pdf [firstpage_image] =>[orig_patent_app_number] => 664733 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/664733
Pressurized reaction of refractory ores with heat recovery Oct 24, 1984 Issued
Array ( [id] => 2218506 [patent_doc_number] => 04591489 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-05-27 [patent_title] => 'Process for the treatment of hydrochloric acid pickles containing iron and zinc' [patent_app_type] => 1 [patent_app_number] => 6/663031 [patent_app_country] => US [patent_app_date] => 1984-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3115 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/591/04591489.pdf [firstpage_image] =>[orig_patent_app_number] => 663031 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/663031
Process for the treatment of hydrochloric acid pickles containing iron and zinc Oct 18, 1984 Issued
Array ( [id] => 2202673 [patent_doc_number] => 04544532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-10-01 [patent_title] => 'Solvent extraction' [patent_app_type] => 1 [patent_app_number] => 6/660592 [patent_app_country] => US [patent_app_date] => 1984-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13502 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/544/04544532.pdf [firstpage_image] =>[orig_patent_app_number] => 660592 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/660592
Solvent extraction Oct 14, 1984 Issued
Array ( [id] => 2290713 [patent_doc_number] => 04710367 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-01 [patent_title] => 'Process for reducing the concentration of heavy metals in geothermal brine sludge' [patent_app_type] => 1 [patent_app_number] => 6/661154 [patent_app_country] => US [patent_app_date] => 1984-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6989 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/710/04710367.pdf [firstpage_image] =>[orig_patent_app_number] => 661154 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/661154
Process for reducing the concentration of heavy metals in geothermal brine sludge Oct 14, 1984 Issued
06/660518 HYDROMETALLURGICAL METHOD FOR TREATING VALUABLE METAL RAW MATERIALS CONTAINING CHLORIDES AND FLUORIDES Oct 11, 1984 Abandoned
Array ( [id] => 2274392 [patent_doc_number] => 04610723 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-09 [patent_title] => 'Process for leaching sulphide concentrates of the tetrahedrite type containing high concentrations of arsenic and antimony' [patent_app_type] => 1 [patent_app_number] => 6/656740 [patent_app_country] => US [patent_app_date] => 1984-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1918 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/610/04610723.pdf [firstpage_image] =>[orig_patent_app_number] => 656740 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/656740
Process for leaching sulphide concentrates of the tetrahedrite type containing high concentrations of arsenic and antimony Sep 30, 1984 Issued
Array ( [id] => 2218439 [patent_doc_number] => 04578256 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-03-25 [patent_title] => 'Process for removal of poisonous gases' [patent_app_type] => 1 [patent_app_number] => 6/653093 [patent_app_country] => US [patent_app_date] => 1984-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2960 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/578/04578256.pdf [firstpage_image] =>[orig_patent_app_number] => 653093 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/653093
Process for removal of poisonous gases Sep 20, 1984 Issued
Array ( [id] => 2218973 [patent_doc_number] => 04594231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-10 [patent_title] => 'Method for removal of poisonous gases' [patent_app_type] => 1 [patent_app_number] => 6/653091 [patent_app_country] => US [patent_app_date] => 1984-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4117 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/594/04594231.pdf [firstpage_image] =>[orig_patent_app_number] => 653091 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/653091
Method for removal of poisonous gases Sep 20, 1984 Issued
Array ( [id] => 2246819 [patent_doc_number] => 04605537 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-12 [patent_title] => 'Sulfide as a hypochlorite kill agent' [patent_app_type] => 1 [patent_app_number] => 6/651087 [patent_app_country] => US [patent_app_date] => 1984-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3759 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/605/04605537.pdf [firstpage_image] =>[orig_patent_app_number] => 651087 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/651087
Sulfide as a hypochlorite kill agent Sep 16, 1984 Issued
Array ( [id] => 2176180 [patent_doc_number] => 04557905 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-10 [patent_title] => 'Leaching and washing a flocculated slurry having a fiber content' [patent_app_type] => 1 [patent_app_number] => 6/649921 [patent_app_country] => US [patent_app_date] => 1984-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2587 [patent_no_of_claims] => 21 [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/04/557/04557905.pdf [firstpage_image] =>[orig_patent_app_number] => 649921 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/649921
Leaching and washing a flocculated slurry having a fiber content Sep 12, 1984 Issued
06/645425 PROCESS FOR FORMING SOLID SOLUTIONS Aug 28, 1984 Abandoned
Array ( [id] => 2220087 [patent_doc_number] => 04582691 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-04-15 [patent_title] => 'Process for separating Fe(III) from an aqueous solution of metallic salts and a process for separating Fe(III) from an organic extraction solvent' [patent_app_type] => 1 [patent_app_number] => 6/643714 [patent_app_country] => US [patent_app_date] => 1984-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6413 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/582/04582691.pdf [firstpage_image] =>[orig_patent_app_number] => 643714 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/643714
Process for separating Fe(III) from an aqueous solution of metallic salts and a process for separating Fe(III) from an organic extraction solvent Aug 23, 1984 Issued
Array ( [id] => 2230010 [patent_doc_number] => 04600435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-15 [patent_title] => 'Solvent extraction of cobalt (II) from sulfate solutions with cobalt extractants' [patent_app_type] => 1 [patent_app_number] => 6/643998 [patent_app_country] => US [patent_app_date] => 1984-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2831 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/600/04600435.pdf [firstpage_image] =>[orig_patent_app_number] => 643998 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/643998
Solvent extraction of cobalt (II) from sulfate solutions with cobalt extractants Aug 23, 1984 Issued
06/640503 PROCESS FOR RECOVERING GOLD AND SILVER FROM REFRACTORY ORES Aug 12, 1984 Abandoned
Array ( [id] => 2442581 [patent_doc_number] => 04721606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-26 [patent_title] => 'Recovery of metal values from spent catalysts' [patent_app_type] => 1 [patent_app_number] => 6/640241 [patent_app_country] => US [patent_app_date] => 1984-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9137 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/721/04721606.pdf [firstpage_image] =>[orig_patent_app_number] => 640241 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/640241
Recovery of metal values from spent catalysts Aug 12, 1984 Issued
Array ( [id] => 2284490 [patent_doc_number] => 04587110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-05-06 [patent_title] => 'Process of recovering copper and of optionally recovering silver and gold by a leaching of oxide- and sulfide-containing materials with water-soluble cyanides' [patent_app_type] => 1 [patent_app_number] => 6/639370 [patent_app_country] => US [patent_app_date] => 1984-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3177 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/587/04587110.pdf [firstpage_image] =>[orig_patent_app_number] => 639370 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/639370
Process of recovering copper and of optionally recovering silver and gold by a leaching of oxide- and sulfide-containing materials with water-soluble cyanides Aug 7, 1984 Issued
Array ( [id] => 2252207 [patent_doc_number] => 04563213 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-01-07 [patent_title] => 'Extraction and stripping cobalt values' [patent_app_type] => 1 [patent_app_number] => 6/637652 [patent_app_country] => US [patent_app_date] => 1984-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3091 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/563/04563213.pdf [firstpage_image] =>[orig_patent_app_number] => 637652 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/637652
Extraction and stripping cobalt values Aug 1, 1984 Issued
Array ( [id] => 2308221 [patent_doc_number] => 04637832 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-20 [patent_title] => 'Process for purifying solutions of zinc sulphate' [patent_app_type] => 1 [patent_app_number] => 6/636815 [patent_app_country] => US [patent_app_date] => 1984-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5534 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/637/04637832.pdf [firstpage_image] =>[orig_patent_app_number] => 636815 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/636815
Process for purifying solutions of zinc sulphate Jul 31, 1984 Issued
Array ( [id] => 2240608 [patent_doc_number] => 04622165 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-11-11 [patent_title] => 'Liquid crystal mixture of a liquid crystal compound having a smectic C phase and an optically active compound' [patent_app_type] => 1 [patent_app_number] => 6/635263 [patent_app_country] => US [patent_app_date] => 1984-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1515 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/622/04622165.pdf [firstpage_image] =>[orig_patent_app_number] => 635263 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/635263
Liquid crystal mixture of a liquid crystal compound having a smectic C phase and an optically active compound Jul 26, 1984 Issued
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