Search

Peter Keyworth

Examiner (ID: 3941, Phone: (571)270-3479 , Office: P/1777 )

Most Active Art Unit
1777
Art Unit(s)
1777, 1776
Total Applications
975
Issued Applications
484
Pending Applications
150
Abandoned Applications
357

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18279004 [patent_doc_number] => 20230094476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => METHOD FOR REDUCING CORROSION FATIGUE OF EVAPORATING TUBE IN BOILER [patent_app_type] => utility [patent_app_number] => 17/909986 [patent_app_country] => US [patent_app_date] => 2020-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3872 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17909986 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/909986
METHOD FOR REDUCING CORROSION FATIGUE OF EVAPORATING TUBE IN BOILER Sep 1, 2020 Pending
Array ( [id] => 16673359 [patent_doc_number] => 20210062122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => METHOD AND SYSTEM FOR REMOVING INSOLUBLE SOLIDS MID-EVAPORATION FROM A CORN DRY MILLING PROCESS [patent_app_type] => utility [patent_app_number] => 17/002855 [patent_app_country] => US [patent_app_date] => 2020-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8795 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17002855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/002855
Method and system for removing insoluble solids mid-evaporation from a corn dry milling process Aug 25, 2020 Issued
Array ( [id] => 16915576 [patent_doc_number] => 20210188668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => METHOD AND SYSTEM FOR TREATING HIGH SALINITY WATER [patent_app_type] => utility [patent_app_number] => 17/001465 [patent_app_country] => US [patent_app_date] => 2020-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17001465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/001465
Method and system for treating high salinity water Aug 23, 2020 Issued
Array ( [id] => 18709025 [patent_doc_number] => 20230331611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => METHOD OF VISIBLE-LIGHT PHOTOCATALYSIS COMBINED WITH CLO2 OXIDATION FOR HIGHLY EFFICIENT REMOVAL OF ORGANIC POLLUTANTS IN WASTEWATER [patent_app_type] => utility [patent_app_number] => 17/781551 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17781551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/781551
METHOD OF VISIBLE-LIGHT PHOTOCATALYSIS COMBINED WITH CLO2 OXIDATION FOR HIGHLY EFFICIENT REMOVAL OF ORGANIC POLLUTANTS IN WASTEWATER Aug 18, 2020 Abandoned
Array ( [id] => 17790661 [patent_doc_number] => 20220249752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => DIALYSIS SYSTEM HAVING FIXED WATER PREPARATION UNITS [patent_app_type] => utility [patent_app_number] => 17/630327 [patent_app_country] => US [patent_app_date] => 2020-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17630327 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/630327
Dialysis system having fixed water preparation units Jul 27, 2020 Issued
Array ( [id] => 16467224 [patent_doc_number] => 20200368761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => FLOTATION LINE [patent_app_type] => utility [patent_app_number] => 16/933633 [patent_app_country] => US [patent_app_date] => 2020-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16933633 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/933633
Flotation line Jul 19, 2020 Issued
Array ( [id] => 18871055 [patent_doc_number] => 11858840 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Method and apparatus for treatment of an animal processing wastewater stream [patent_app_type] => utility [patent_app_number] => 16/924751 [patent_app_country] => US [patent_app_date] => 2020-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4379 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16924751 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/924751
Method and apparatus for treatment of an animal processing wastewater stream Jul 8, 2020 Issued
Array ( [id] => 16539780 [patent_doc_number] => 20200406193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => Methods and Systems for Leak Detection in a Dialysis System [patent_app_type] => utility [patent_app_number] => 16/922779 [patent_app_country] => US [patent_app_date] => 2020-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16922779 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/922779
Methods and Systems for Leak Detection in a Dialysis System Jul 6, 2020 Abandoned
Array ( [id] => 17563022 [patent_doc_number] => 20220127171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => METHOD FOR SYNERGISTIC DEGRADATION TREATMENT OF POLYSACCHARIDE-CONTAINING POLYMER WASTEWATER BY CONTROLLABLE -OH RADICAL [patent_app_type] => utility [patent_app_number] => 17/421626 [patent_app_country] => US [patent_app_date] => 2020-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17421626 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421626
Method for synergistic degradation treatment of polysaccharide-containing polymer wastewater by controllable--OH radical Jul 2, 2020 Issued
Array ( [id] => 17761317 [patent_doc_number] => 20220234929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => METHOD FOR REALIZING SLUDGE SAFE DISPOSAL AND RESOURCE RECOVERY THROUGH SLUDGE LIQUEFACTION AND STRATIFICATION [patent_app_type] => utility [patent_app_number] => 17/614383 [patent_app_country] => US [patent_app_date] => 2020-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17614383 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/614383
Method for realizing sludge safe disposal and resource recovery through sludge liquefaction and stratification Jun 30, 2020 Issued
Array ( [id] => 16947988 [patent_doc_number] => 20210206679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => APPARATUS AND METHOD FOR TREATING FLUORINE-CONTAINING WASTEWATER [patent_app_type] => utility [patent_app_number] => 16/918140 [patent_app_country] => US [patent_app_date] => 2020-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16918140 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/918140
APPARATUS AND METHOD FOR TREATING FLUORINE-CONTAINING WASTEWATER Jun 30, 2020 Abandoned
Array ( [id] => 16359863 [patent_doc_number] => 20200316614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => FLOTATION SEPARATION OF FINE COAL PARTICLES FROM ASH-FORMING PARTICLES [patent_app_type] => utility [patent_app_number] => 16/909452 [patent_app_country] => US [patent_app_date] => 2020-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16909452 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/909452
Flotation separation of fine coal particles from ash-forming particles Jun 22, 2020 Issued
Array ( [id] => 17081017 [patent_doc_number] => 20210276023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => ALKYL THIOETHER ETHYL HYDROXAMIC ACID BENEFICIATION REAGENT AND PREPARATION METHOD AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 15/734226 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734226 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734226
ALKYL THIOETHER ETHYL HYDROXAMIC ACID BENEFICIATION REAGENT AND PREPARATION METHOD AND APPLICATION THEREOF Jun 18, 2020 Abandoned
Array ( [id] => 17291367 [patent_doc_number] => 20210387206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => SYSTEM AND METHOD FOR SATURATION OF A MULTICOMPONENT MEDIUM WITH ACTIVE MICROBUBBLES [patent_app_type] => utility [patent_app_number] => 16/903143 [patent_app_country] => US [patent_app_date] => 2020-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16903143 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/903143
System and method for saturation of a multicomponent medium with active microbubbles Jun 15, 2020 Issued
Array ( [id] => 16328533 [patent_doc_number] => 20200299499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => MULTIVALENT CATION-CONTAINING COPOLYMER, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF TO TREATING AQUEOUS DISPERSIONS [patent_app_type] => utility [patent_app_number] => 16/893131 [patent_app_country] => US [patent_app_date] => 2020-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16893131 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/893131
Multivalent cation-containing copolymer, process for production thereof and use thereof to treating aqueous dispersions Jun 3, 2020 Issued
Array ( [id] => 17452898 [patent_doc_number] => 11267742 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Built-in micro-interface papermaking wastewater treatment system and wastewater treatment method thereof [patent_app_type] => utility [patent_app_number] => 17/432969 [patent_app_country] => US [patent_app_date] => 2020-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4583 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17432969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432969
Built-in micro-interface papermaking wastewater treatment system and wastewater treatment method thereof May 26, 2020 Issued
Array ( [id] => 17134703 [patent_doc_number] => 11136249 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-10-05 [patent_title] => Destabilization and separation of high stable colloids [patent_app_type] => utility [patent_app_number] => 16/883484 [patent_app_country] => US [patent_app_date] => 2020-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 5166 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16883484 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/883484
Destabilization and separation of high stable colloids May 25, 2020 Issued
Array ( [id] => 16762225 [patent_doc_number] => 20210107806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => METHODS AND SYSTEMS FOR PRODUCING TREATED BRINES [patent_app_type] => utility [patent_app_number] => 16/878804 [patent_app_country] => US [patent_app_date] => 2020-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16878804 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/878804
METHODS AND SYSTEMS FOR PRODUCING TREATED BRINES May 19, 2020 Abandoned
Array ( [id] => 16452366 [patent_doc_number] => 20200361792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => APPARATUS TO REMOVE HARMFUL CHEMICAL SPECIES FROM INDUSTRIAL WASTEWATER USING IRON-BASED PRODUCTS [patent_app_type] => utility [patent_app_number] => 16/875169 [patent_app_country] => US [patent_app_date] => 2020-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16875169 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/875169
Apparatus to remove harmful chemical species from industrial wastewater using iron-based products May 14, 2020 Issued
Array ( [id] => 17775678 [patent_doc_number] => 20220242027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => MELT FILTER [patent_app_type] => utility [patent_app_number] => 17/611798 [patent_app_country] => US [patent_app_date] => 2020-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17611798 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/611798
MELT FILTER Apr 29, 2020 Abandoned
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