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] => 5371242 [patent_doc_number] => 20090308802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-17 [patent_title] => 'Filter With Ejection Mechanism' [patent_app_type] => utility [patent_app_number] => 12/139559 [patent_app_country] => US [patent_app_date] => 2008-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5069 [patent_no_of_claims] => 19 [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] => publications/A1/0308/20090308802.pdf [firstpage_image] =>[orig_patent_app_number] => 12139559 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/139559
Filter with ejection mechanism Jun 15, 2008 Issued
Array ( [id] => 5371243 [patent_doc_number] => 20090308803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-17 [patent_title] => 'Filter With Water Separation Device' [patent_app_type] => utility [patent_app_number] => 12/139606 [patent_app_country] => US [patent_app_date] => 2008-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4978 [patent_no_of_claims] => 22 [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] => publications/A1/0308/20090308803.pdf [firstpage_image] =>[orig_patent_app_number] => 12139606 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/139606
Filter with water separation device Jun 15, 2008 Issued
Array ( [id] => 4946584 [patent_doc_number] => 20080302710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-11 [patent_title] => 'Pulsating Chlorination Machine' [patent_app_type] => utility [patent_app_number] => 12/134571 [patent_app_country] => US [patent_app_date] => 2008-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6849 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0302/20080302710.pdf [firstpage_image] =>[orig_patent_app_number] => 12134571 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/134571
Pulsating Chlorination Machine Jun 5, 2008 Abandoned
Array ( [id] => 5303297 [patent_doc_number] => 20090297949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-03 [patent_title] => 'Lithium Primary Cells' [patent_app_type] => utility [patent_app_number] => 12/129158 [patent_app_country] => US [patent_app_date] => 2008-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8144 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0297/20090297949.pdf [firstpage_image] =>[orig_patent_app_number] => 12129158 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/129158
Lithium Primary Cells May 28, 2008 Abandoned
Array ( [id] => 8292858 [patent_doc_number] => 08220642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-17 [patent_title] => 'Polysulfone-based blood treatment membrane and method of producing the same' [patent_app_type] => utility [patent_app_number] => 12/601543 [patent_app_country] => US [patent_app_date] => 2008-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 16096 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12601543 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/601543
Polysulfone-based blood treatment membrane and method of producing the same May 25, 2008 Issued
Array ( [id] => 6414330 [patent_doc_number] => 20100276377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'STRAINER ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 12/595690 [patent_app_country] => US [patent_app_date] => 2008-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7400 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 23 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0276/20100276377.pdf [firstpage_image] =>[orig_patent_app_number] => 12595690 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/595690
STRAINER ASSEMBLY Apr 30, 2008 Abandoned
Array ( [id] => 10168494 [patent_doc_number] => 09199187 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-01 [patent_title] => 'Liquid filter, assembly, system, and methods' [patent_app_type] => utility [patent_app_number] => 12/519866 [patent_app_country] => US [patent_app_date] => 2008-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 58 [patent_no_of_words] => 22896 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12519866 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/519866
Liquid filter, assembly, system, and methods Apr 24, 2008 Issued
Array ( [id] => 6239233 [patent_doc_number] => 20100133204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-03 [patent_title] => 'REUSABLE FILTERS FOR FLUID LOSS MEASUREMENTS OF DRILLING FLUIDS' [patent_app_type] => utility [patent_app_number] => 12/599886 [patent_app_country] => US [patent_app_date] => 2008-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7226 [patent_no_of_claims] => 25 [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] => publications/A1/0133/20100133204.pdf [firstpage_image] =>[orig_patent_app_number] => 12599886 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/599886
REUSABLE FILTERS FOR FLUID LOSS MEASUREMENTS OF DRILLING FLUIDS Apr 24, 2008 Abandoned
Array ( [id] => 4855996 [patent_doc_number] => 20080264846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'WATER PURIFYING APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/108359 [patent_app_country] => US [patent_app_date] => 2008-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4797 [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] => publications/A1/0264/20080264846.pdf [firstpage_image] =>[orig_patent_app_number] => 12108359 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/108359
WATER PURIFYING APPARATUS Apr 22, 2008 Abandoned
Array ( [id] => 10056321 [patent_doc_number] => 09095663 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-04 [patent_title] => 'Biological fluid filtration unit provided with an offset inlet and/or outlet member' [patent_app_type] => utility [patent_app_number] => 12/597276 [patent_app_country] => US [patent_app_date] => 2008-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3424 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12597276 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/597276
Biological fluid filtration unit provided with an offset inlet and/or outlet member Apr 21, 2008 Issued
Array ( [id] => 8363118 [patent_doc_number] => 08252181 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-28 [patent_title] => 'Horizontal ore filter with replaceable filter elements' [patent_app_type] => utility [patent_app_number] => 12/078209 [patent_app_country] => US [patent_app_date] => 2008-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 24 [patent_no_of_words] => 4389 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 534 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12078209 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/078209
Horizontal ore filter with replaceable filter elements Mar 27, 2008 Issued
Array ( [id] => 4714591 [patent_doc_number] => 20080237113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'SPIN-ON FILTER CARTRIDGE' [patent_app_type] => utility [patent_app_number] => 12/055690 [patent_app_country] => US [patent_app_date] => 2008-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3278 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0237/20080237113.pdf [firstpage_image] =>[orig_patent_app_number] => 12055690 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/055690
SPIN-ON FILTER CARTRIDGE Mar 25, 2008 Abandoned
Array ( [id] => 4883495 [patent_doc_number] => 20080257827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-23 [patent_title] => 'USE OF SILICON-CONTAINING POLYMERS TO IMPROVE RED MUD FLOCCULATION IN THE BAYER PROCESS' [patent_app_type] => utility [patent_app_number] => 12/052415 [patent_app_country] => US [patent_app_date] => 2008-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11704 [patent_no_of_claims] => 38 [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] => publications/A1/0257/20080257827.pdf [firstpage_image] =>[orig_patent_app_number] => 12052415 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/052415
USE OF SILICON-CONTAINING POLYMERS TO IMPROVE RED MUD FLOCCULATION IN THE BAYER PROCESS Mar 19, 2008 Abandoned
Array ( [id] => 4816530 [patent_doc_number] => 20080223789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-18 [patent_title] => 'MATERIAL AND A METHOD FOR REMOVING OXO-ANIONS AND METAL CATIONS FROM A LIQUID' [patent_app_type] => utility [patent_app_number] => 12/046667 [patent_app_country] => US [patent_app_date] => 2008-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1450 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0223/20080223789.pdf [firstpage_image] =>[orig_patent_app_number] => 12046667 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/046667
MATERIAL AND A METHOD FOR REMOVING OXO-ANIONS AND METAL CATIONS FROM A LIQUID Mar 11, 2008 Abandoned
Array ( [id] => 5511687 [patent_doc_number] => 20090211991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-27 [patent_title] => 'Filtering a dispersed phase (e.g. oil) from a continuous liquid (e.g. water) of a dispersion' [patent_app_type] => utility [patent_app_number] => 12/072424 [patent_app_country] => US [patent_app_date] => 2008-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3910 [patent_no_of_claims] => 21 [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] => publications/A1/0211/20090211991.pdf [firstpage_image] =>[orig_patent_app_number] => 12072424 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/072424
Filtering a dispersed phase (e.g. oil) from a continuous liquid (e.g. water) of a dispersion Feb 24, 2008 Abandoned
Array ( [id] => 5334114 [patent_doc_number] => 20090050578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-26 [patent_title] => 'FORMED FILTER ELEMENT' [patent_app_type] => utility [patent_app_number] => 12/036022 [patent_app_country] => US [patent_app_date] => 2008-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11688 [patent_no_of_claims] => 83 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20090050578.pdf [firstpage_image] =>[orig_patent_app_number] => 12036022 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/036022
FORMED FILTER ELEMENT Feb 21, 2008 Abandoned
Array ( [id] => 4672993 [patent_doc_number] => 20080210621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'Filter for cleaning machines' [patent_app_type] => utility [patent_app_number] => 12/030721 [patent_app_country] => US [patent_app_date] => 2008-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5008 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0210/20080210621.pdf [firstpage_image] =>[orig_patent_app_number] => 12030721 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/030721
Filter for cleaning machines Feb 12, 2008 Issued
Array ( [id] => 6239178 [patent_doc_number] => 20100133183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-03 [patent_title] => 'FILTRATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/525938 [patent_app_country] => US [patent_app_date] => 2008-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7374 [patent_no_of_claims] => 16 [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] => publications/A1/0133/20100133183.pdf [firstpage_image] =>[orig_patent_app_number] => 12525938 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/525938
Filtration system Feb 3, 2008 Issued
Array ( [id] => 4842830 [patent_doc_number] => 20080179238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-31 [patent_title] => 'Liquid Filler Cartridge, and an Engine Subassembly Including Such a Cartridge' [patent_app_type] => utility [patent_app_number] => 12/020337 [patent_app_country] => US [patent_app_date] => 2008-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4349 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20080179238.pdf [firstpage_image] =>[orig_patent_app_number] => 12020337 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/020337
Liquid filter cartridge, and an engine subassembly including such a cartridge Jan 24, 2008 Issued
Array ( [id] => 5352697 [patent_doc_number] => 20090184041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-23 [patent_title] => 'Fluid filter with clear shell portion' [patent_app_type] => utility [patent_app_number] => 12/009965 [patent_app_country] => US [patent_app_date] => 2008-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3937 [patent_no_of_claims] => 20 [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] => publications/A1/0184/20090184041.pdf [firstpage_image] =>[orig_patent_app_number] => 12009965 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/009965
Fluid filter with clear shell portion Jan 22, 2008 Abandoned
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