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] => 12881881 [patent_doc_number] => 20180185802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => Floating Dispersant Paste [patent_app_type] => utility [patent_app_number] => 15/909643 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7635 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 15909643 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/909643
Floating Dispersant Paste Feb 28, 2018 Abandoned
Array ( [id] => 12809602 [patent_doc_number] => 20180161704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => SEAMLESS FILTER BAG ASSEMBLY FOR JUICE PRESS [patent_app_type] => utility [patent_app_number] => 15/892997 [patent_app_country] => US [patent_app_date] => 2018-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15892997 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/892997
SEAMLESS FILTER BAG ASSEMBLY FOR JUICE PRESS Feb 8, 2018 Abandoned
Array ( [id] => 13382545 [patent_doc_number] => 20180242814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-30 [patent_title] => WASHING APPLIANCE HAVING A RECIRCULATION CIRCUIT [patent_app_type] => utility [patent_app_number] => 15/891628 [patent_app_country] => US [patent_app_date] => 2018-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15891628 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/891628
Washing appliance having a recirculation circuit Feb 7, 2018 Issued
Array ( [id] => 15253847 [patent_doc_number] => 20190375657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => METHOD FOR PURIFYING WATER [patent_app_type] => utility [patent_app_number] => 16/479311 [patent_app_country] => US [patent_app_date] => 2018-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16479311 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/479311
Method for purifying water Jan 17, 2018 Issued
Array ( [id] => 13250943 [patent_doc_number] => 10138150 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-11-27 [patent_title] => Methods and systems for treating vinasse [patent_app_type] => utility [patent_app_number] => 15/874728 [patent_app_country] => US [patent_app_date] => 2018-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8385 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15874728 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/874728
Methods and systems for treating vinasse Jan 17, 2018 Issued
Array ( [id] => 16451512 [patent_doc_number] => 20200360938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => ESTERQUATS FOR THE FLOTATION OF NON-SULFIDIC MINERALS AND ORES, AND METHOD [patent_app_type] => utility [patent_app_number] => 16/962411 [patent_app_country] => US [patent_app_date] => 2018-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16962411 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/962411
Esterquats for the flotation of non-sulfidic minerals and ores, and method Jan 15, 2018 Issued
Array ( [id] => 14534197 [patent_doc_number] => 20190202720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => Method for purifying food and meat processing facility liquids and process or waste waters by using a combination of metal salts and a flocculant to coagulate and then flocculate contaminants from a contaminated liquid [patent_app_type] => utility [patent_app_number] => 15/858551 [patent_app_country] => US [patent_app_date] => 2017-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1682 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15858551 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/858551
Method for purifying food and meat processing facility liquids and process or waste waters by using a combination of metal salts and a flocculant to coagulate and then flocculate contaminants from a contaminated liquid Dec 28, 2017 Abandoned
Array ( [id] => 16483792 [patent_doc_number] => 20200377393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => A method of recovering copper from a dilute metal containing solution [patent_app_type] => utility [patent_app_number] => 16/471586 [patent_app_country] => US [patent_app_date] => 2017-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5329 [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] => 16471586 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/471586
Method of recovering copper from a dilute metal containing solution Dec 18, 2017 Issued
Array ( [id] => 16053921 [patent_doc_number] => 20200188815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => ANIMAL BYPRODUCT RECOVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 15/757116 [patent_app_country] => US [patent_app_date] => 2017-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 15757116 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/757116
Animal byproduct recovery system Dec 12, 2017 Issued
Array ( [id] => 16214980 [patent_doc_number] => 10730778 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-04 [patent_title] => Method and apparatus for increasing dewatering efficiency [patent_app_type] => utility [patent_app_number] => 15/820440 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6266 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [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] => 15820440 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/820440
Method and apparatus for increasing dewatering efficiency Nov 21, 2017 Issued
Array ( [id] => 12725365 [patent_doc_number] => 20180133622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => Thickener Feed Dilution System [patent_app_type] => utility [patent_app_number] => 15/815474 [patent_app_country] => US [patent_app_date] => 2017-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15815474 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/815474
Thickener Feed Dilution System Nov 15, 2017 Abandoned
Array ( [id] => 14834269 [patent_doc_number] => 20190275535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => INTERFACE DETECTION DEVICE AND SYSTEM FOR DISPERSED MULTI-PHASE FLUIDS [patent_app_type] => utility [patent_app_number] => 16/346789 [patent_app_country] => US [patent_app_date] => 2017-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7869 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16346789 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/346789
Interface detection device and system for dispersed multi-phase fluids Nov 2, 2017 Issued
Array ( [id] => 12681577 [patent_doc_number] => 20180119025 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-03 [patent_title] => Layer-Separation Method of Spent Caustic Solution [patent_app_type] => utility [patent_app_number] => 15/796941 [patent_app_country] => US [patent_app_date] => 2017-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6004 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15796941 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/796941
Layer-separation method of spent caustic solution Oct 29, 2017 Issued
Array ( [id] => 12706387 [patent_doc_number] => 20180127295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-10 [patent_title] => SLUDGE SEPARATION DEVICE AND METHOD FOR ITS USE [patent_app_type] => utility [patent_app_number] => 15/789028 [patent_app_country] => US [patent_app_date] => 2017-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15789028 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/789028
Sludge separation device and method for its use Oct 19, 2017 Issued
Array ( [id] => 14655451 [patent_doc_number] => 20190234854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => CLASSIFICATION PARTICLE SIZE DISTRIBUTION MODIFICATION TECHNIQUE BASED ON HYDROPHOBIC MEDIA FOR ENHANCED FLUIDIZED BED FLOTATION SEPARATION [patent_app_type] => utility [patent_app_number] => 16/339216 [patent_app_country] => US [patent_app_date] => 2017-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 16339216 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/339216
CLASSIFICATION PARTICLE SIZE DISTRIBUTION MODIFICATION TECHNIQUE BASED ON HYDROPHOBIC MEDIA FOR ENHANCED FLUIDIZED BED FLOTATION SEPARATION Oct 3, 2017 Pending
Array ( [id] => 16368950 [patent_doc_number] => 10800690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => Portable liquid recovery system with optional preliminary processor and feed [patent_app_type] => utility [patent_app_number] => 15/715158 [patent_app_country] => US [patent_app_date] => 2017-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 10171 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15715158 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/715158
Portable liquid recovery system with optional preliminary processor and feed Sep 25, 2017 Issued
Array ( [id] => 14099863 [patent_doc_number] => 20190091607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => SECONDARY-PHASE SEPARATION APPARATUS AND A METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 15/713295 [patent_app_country] => US [patent_app_date] => 2017-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15713295 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/713295
Secondary-phase separation apparatus and a method thereof Sep 21, 2017 Issued
Array ( [id] => 12260468 [patent_doc_number] => 20180079664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'Wastewater Odor Control' [patent_app_type] => utility [patent_app_number] => 15/710265 [patent_app_country] => US [patent_app_date] => 2017-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6965 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15710265 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/710265
Wastewater Odor Control Sep 19, 2017 Abandoned
Array ( [id] => 12117643 [patent_doc_number] => 20180001230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'SYSTEM AND METHOD FOR SEPARATING LIQUID MIXTURES' [patent_app_type] => utility [patent_app_number] => 15/709403 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5148 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15709403 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/709403
SYSTEM AND METHOD FOR SEPARATING LIQUID MIXTURES Sep 18, 2017 Abandoned
Array ( [id] => 12120016 [patent_doc_number] => 20180003602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'PROCESS AND DEVICE FOR SEPARATING BIOLOGICAL PARTICLES CONTAINED IN A FLUID BY MEANS OF FILTRATION' [patent_app_type] => utility [patent_app_number] => 15/707993 [patent_app_country] => US [patent_app_date] => 2017-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6350 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15707993 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/707993
Process and device for separating biological particles contained in a fluid by means of filtration Sep 17, 2017 Issued
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