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] => 19440342 [patent_doc_number] => 12090573 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Fluid treatment tank having a laser welded distributor plate [patent_app_type] => utility [patent_app_number] => 16/406576 [patent_app_country] => US [patent_app_date] => 2019-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5261 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16406576 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/406576
Fluid treatment tank having a laser welded distributor plate May 7, 2019 Issued
Array ( [id] => 18980029 [patent_doc_number] => 11905189 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Method of refining and recovering barium sulfate from contaminated water sources [patent_app_type] => utility [patent_app_number] => 16/403664 [patent_app_country] => US [patent_app_date] => 2019-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6988 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16403664 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/403664
Method of refining and recovering barium sulfate from contaminated water sources May 5, 2019 Issued
Array ( [id] => 16421762 [patent_doc_number] => 20200346960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => Apparatus and Method for Wastewater Treatment [patent_app_type] => utility [patent_app_number] => 16/402468 [patent_app_country] => US [patent_app_date] => 2019-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16402468 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/402468
Apparatus and Method for Wastewater Treatment May 2, 2019 Abandoned
Array ( [id] => 17096763 [patent_doc_number] => 20210284554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => PROCESS FOR PRODUCTION OF LITHIUM BATTERY ELECTRODES FROM BRINE [patent_app_type] => utility [patent_app_number] => 16/646061 [patent_app_country] => US [patent_app_date] => 2019-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6008 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16646061 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/646061
PROCESS FOR PRODUCTION OF LITHIUM BATTERY ELECTRODES FROM BRINE Apr 28, 2019 Abandoned
Array ( [id] => 17513601 [patent_doc_number] => 11292730 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Hydrates for water desalination using iso-butane additive [patent_app_type] => utility [patent_app_number] => 16/391587 [patent_app_country] => US [patent_app_date] => 2019-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 4950 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16391587 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/391587
Hydrates for water desalination using iso-butane additive Apr 22, 2019 Issued
Array ( [id] => 17066303 [patent_doc_number] => 20210268518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => HIGH-ASH FINE COAL SLIME SEPARATION EQUIPMENT AND METHOD [patent_app_type] => utility [patent_app_number] => 17/252741 [patent_app_country] => US [patent_app_date] => 2019-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4451 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 616 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17252741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/252741
High-ash fine coal slime separation equipment and method Apr 21, 2019 Issued
Array ( [id] => 19396427 [patent_doc_number] => 12070757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Engulfed nano/micro bubbles for improved recovery of large particles in a flotation cell [patent_app_type] => utility [patent_app_number] => 16/389184 [patent_app_country] => US [patent_app_date] => 2019-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3751 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 395 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16389184 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/389184
Engulfed nano/micro bubbles for improved recovery of large particles in a flotation cell Apr 18, 2019 Issued
Array ( [id] => 15023099 [patent_doc_number] => 20190322554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => TITANIA-BASED TREATMENT SOLUTION AND METHOD OF PROMOTING PRECIPITATION AND REMOVAL OF HEAVY METALS FROM AN AQUEOUS SOURCE [patent_app_type] => utility [patent_app_number] => 16/387716 [patent_app_country] => US [patent_app_date] => 2019-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16387716 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/387716
Titania-based treatment solution and method of promoting precipitation and removal of heavy metals from an aqueous source Apr 17, 2019 Issued
Array ( [id] => 17221690 [patent_doc_number] => 11174180 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-16 [patent_title] => Removing sulphur-based contaminants and nitrogen-based contaminants from water streams [patent_app_type] => utility [patent_app_number] => 16/388594 [patent_app_country] => US [patent_app_date] => 2019-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2176 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16388594 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/388594
Removing sulphur-based contaminants and nitrogen-based contaminants from water streams Apr 17, 2019 Issued
Array ( [id] => 17221689 [patent_doc_number] => 11174179 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Flocculant, filter, and waste liquid treating method [patent_app_type] => utility [patent_app_number] => 16/388250 [patent_app_country] => US [patent_app_date] => 2019-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5279 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16388250 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/388250
Flocculant, filter, and waste liquid treating method Apr 17, 2019 Issued
Array ( [id] => 19273579 [patent_doc_number] => 12023687 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Froth flotation apparatus [patent_app_type] => utility [patent_app_number] => 17/057174 [patent_app_country] => US [patent_app_date] => 2019-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2578 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17057174 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/057174
Froth flotation apparatus Apr 11, 2019 Issued
Array ( [id] => 14628421 [patent_doc_number] => 20190227578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => Image Processing For Improving Coagulation And Flocculation [patent_app_type] => utility [patent_app_number] => 16/372548 [patent_app_country] => US [patent_app_date] => 2019-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16372548 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/372548
Image processing for improving coagulation and flocculation Apr 1, 2019 Issued
Array ( [id] => 17006913 [patent_doc_number] => 20210238074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => METHOD FOR OPERATING A WASTEWATER TREATMENT PLANT FOR PHOSPHORUS TREATMENT OF EFFLUENT [patent_app_type] => utility [patent_app_number] => 17/052013 [patent_app_country] => US [patent_app_date] => 2019-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17052013 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/052013
METHOD FOR OPERATING A WASTEWATER TREATMENT PLANT FOR PHOSPHORUS TREATMENT OF EFFLUENT Mar 28, 2019 Abandoned
Array ( [id] => 16985391 [patent_doc_number] => 11072546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-27 [patent_title] => Decomplexation of chelated hardness at high pH [patent_app_type] => utility [patent_app_number] => 16/368505 [patent_app_country] => US [patent_app_date] => 2019-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3744 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16368505 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/368505
Decomplexation of chelated hardness at high pH Mar 27, 2019 Issued
Array ( [id] => 16612561 [patent_doc_number] => 20210031214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => Method and system for separating a precipitate from a liquid [patent_app_type] => utility [patent_app_number] => 17/042571 [patent_app_country] => US [patent_app_date] => 2019-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17042571 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/042571
Method and system for separating a precipitate from a liquid Mar 24, 2019 Abandoned
Array ( [id] => 16459597 [patent_doc_number] => 10842925 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-24 [patent_title] => Low resistance microfabricated filter [patent_app_type] => utility [patent_app_number] => 16/353919 [patent_app_country] => US [patent_app_date] => 2019-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 40 [patent_no_of_words] => 13563 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16353919 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/353919
Low resistance microfabricated filter Mar 13, 2019 Issued
Array ( [id] => 14467433 [patent_doc_number] => 20190185359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => METHOD FOR TREATING WASTEWATER USING A PORTABLE, NON-BIOLOGICAL, CYCLIC SEWAGE TREATMENT PLANT [patent_app_type] => utility [patent_app_number] => 16/283747 [patent_app_country] => US [patent_app_date] => 2019-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16283747 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/283747
Method for treating wastewater using a portable, non-biological, cyclic sewage treatment plant Feb 22, 2019 Issued
Array ( [id] => 14929523 [patent_doc_number] => 20190300399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => Methods for Flocculating Suspended Solid Particles or Dissolved Solids Using Biobased Renewable Flocculants [patent_app_type] => utility [patent_app_number] => 16/282512 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6778 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16282512 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/282512
Methods for Flocculating Suspended Solid Particles or Dissolved Solids Using Biobased Renewable Flocculants Feb 21, 2019 Abandoned
Array ( [id] => 14467431 [patent_doc_number] => 20190185358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => REMOVAL AND INHIBITION OF SCALE AND INHIBITION OF CORROSION BY USE OF MOSS [patent_app_type] => utility [patent_app_number] => 16/281445 [patent_app_country] => US [patent_app_date] => 2019-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16281445 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/281445
REMOVAL AND INHIBITION OF SCALE AND INHIBITION OF CORROSION BY USE OF MOSS Feb 20, 2019 Abandoned
Array ( [id] => 18412394 [patent_doc_number] => 11666924 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Apparatus and methods for selectively transmitting objects [patent_app_type] => utility [patent_app_number] => 16/277904 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 21909 [patent_no_of_claims] => 59 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 326 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16277904 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/277904
Apparatus and methods for selectively transmitting objects Feb 14, 2019 Issued
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