Search

David A Reifsnyder

Examiner (ID: 13912, Phone: (571)272-1145 , Office: P/1778 )

Most Active Art Unit
1723
Art Unit(s)
1723, 1778, 2899, 1797, 1776, 1306
Total Applications
2074
Issued Applications
1658
Pending Applications
148
Abandoned Applications
274

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12283987 [patent_doc_number] => 09931645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-03 [patent_title] => Centrifuge basket for a screen centrifuge [patent_app_type] => utility [patent_app_number] => 14/618340 [patent_app_country] => US [patent_app_date] => 2015-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3231 [patent_no_of_claims] => 18 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14618340 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/618340
Centrifuge basket for a screen centrifuge Feb 9, 2015 Issued
Array ( [id] => 11017168 [patent_doc_number] => 20160214120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-28 [patent_title] => 'STABILITY CONTROL SYSTEM FOR A HYDROCYCLONE' [patent_app_type] => utility [patent_app_number] => 14/617890 [patent_app_country] => US [patent_app_date] => 2015-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4520 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14617890 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/617890
Stability control system for a hydrocyclone Feb 8, 2015 Issued
Array ( [id] => 10071130 [patent_doc_number] => 09109478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-18 [patent_title] => 'Method and apparatus for a parallel bypass filtration system for internal combustion engines and similar systems' [patent_app_type] => utility [patent_app_number] => 14/610918 [patent_app_country] => US [patent_app_date] => 2015-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 7461 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14610918 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/610918
Method and apparatus for a parallel bypass filtration system for internal combustion engines and similar systems Jan 29, 2015 Issued
Array ( [id] => 10251713 [patent_doc_number] => 20150136709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-21 [patent_title] => 'WATER TREATMENT SYSTEMS AND METHODS' [patent_app_type] => utility [patent_app_number] => 14/607973 [patent_app_country] => US [patent_app_date] => 2015-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11701 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14607973 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/607973
Water treatment systems and methods Jan 27, 2015 Issued
Array ( [id] => 10318373 [patent_doc_number] => 20150203376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-23 [patent_title] => 'DEVICES AND METHODS FOR MONITORING WATER FLOW THROUGH A CHLORINE-GENERATING OR OTHER ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/598742 [patent_app_country] => US [patent_app_date] => 2015-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2753 [patent_no_of_claims] => 30 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14598742 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/598742
Devices and methods for monitoring water flow through a chlorine-generating or other assembly Jan 15, 2015 Issued
Array ( [id] => 10294322 [patent_doc_number] => 20150179321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'CONTROLLED LIQUID/SOLID MOBILITY USING EXTERNAL FIELDS ON LUBRICANT-IMPREGNATED SURFACES' [patent_app_type] => utility [patent_app_number] => 14/576879 [patent_app_country] => US [patent_app_date] => 2014-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11619 [patent_no_of_claims] => 29 [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] => 14576879 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/576879
CONTROLLED LIQUID/SOLID MOBILITY USING EXTERNAL FIELDS ON LUBRICANT-IMPREGNATED SURFACES Dec 18, 2014 Abandoned
Array ( [id] => 13814227 [patent_doc_number] => 10183874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-22 [patent_title] => Water purification system with active vibration [patent_app_type] => utility [patent_app_number] => 14/575998 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 11625 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14575998 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/575998
Water purification system with active vibration Dec 17, 2014 Issued
Array ( [id] => 10274451 [patent_doc_number] => 20150159448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-11 [patent_title] => 'MAGNETIC METAL EXTRACTOR FROM DRILLING FLUID' [patent_app_type] => utility [patent_app_number] => 14/566658 [patent_app_country] => US [patent_app_date] => 2014-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 8231 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14566658 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/566658
MAGNETIC METAL EXTRACTOR FROM DRILLING FLUID Dec 9, 2014 Abandoned
Array ( [id] => 11342703 [patent_doc_number] => 09527091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-12-27 [patent_title] => 'Hydroclone with improved cleaning assembly' [patent_app_type] => utility [patent_app_number] => 14/428056 [patent_app_country] => US [patent_app_date] => 2014-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 3425 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14428056 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/428056
Hydroclone with improved cleaning assembly Dec 2, 2014 Issued
Array ( [id] => 10642380 [patent_doc_number] => 09359233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-07 [patent_title] => 'Method and apparatus for preventing scale deposits and removing contaminants from fluid columns' [patent_app_type] => utility [patent_app_number] => 14/558433 [patent_app_country] => US [patent_app_date] => 2014-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 12883 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14558433 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/558433
Method and apparatus for preventing scale deposits and removing contaminants from fluid columns Dec 1, 2014 Issued
Array ( [id] => 10290441 [patent_doc_number] => 20150175440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'GRAYWATER SEPARATION DEVICE' [patent_app_type] => utility [patent_app_number] => 14/555319 [patent_app_country] => US [patent_app_date] => 2014-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 8671 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 12 [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] => 14555319 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/555319
Graywater separation device Nov 25, 2014 Issued
Array ( [id] => 11634320 [patent_doc_number] => 09656276 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-05-23 [patent_title] => 'De-sanding tank with conical bottom' [patent_app_type] => utility [patent_app_number] => 14/546156 [patent_app_country] => US [patent_app_date] => 2014-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2650 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14546156 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/546156
De-sanding tank with conical bottom Nov 17, 2014 Issued
Array ( [id] => 10192170 [patent_doc_number] => 09221064 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-29 [patent_title] => 'Sorting two-dimensional nanomaterials by thickness' [patent_app_type] => utility [patent_app_number] => 14/528729 [patent_app_country] => US [patent_app_date] => 2014-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 36 [patent_no_of_words] => 18143 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14528729 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/528729
Sorting two-dimensional nanomaterials by thickness Oct 29, 2014 Issued
Array ( [id] => 10229921 [patent_doc_number] => 20150114915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'Velocity Reducing Pool Filter Port' [patent_app_type] => utility [patent_app_number] => 14/526299 [patent_app_country] => US [patent_app_date] => 2014-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 3673 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [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] => 14526299 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/526299
Velocity reducing pool filter port Oct 27, 2014 Issued
Array ( [id] => 10076570 [patent_doc_number] => 09114405 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'Sorting two-dimensional nanomaterials by thickness' [patent_app_type] => utility [patent_app_number] => 14/507240 [patent_app_country] => US [patent_app_date] => 2014-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 12922 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14507240 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/507240
Sorting two-dimensional nanomaterials by thickness Oct 5, 2014 Issued
Array ( [id] => 10743467 [patent_doc_number] => 20160089617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-31 [patent_title] => 'EXTENDED RESIDENCE TIME CENTRIFUGAL CONTACTOR DESIGN MODIFICATION AND CENTRIFUGAL CONTACTOR VANE PLATE VALVING APPARATUS FOR EXTENDING MIXING ZONE RESIDENCE TIME' [patent_app_type] => utility [patent_app_number] => 14/501898 [patent_app_country] => US [patent_app_date] => 2014-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9064 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14501898 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/501898
Extended residence time centrifugal contactor design modification and centrifugal contactor vane plate valving apparatus for extending mixing zone residence time Sep 29, 2014 Issued
Array ( [id] => 10291094 [patent_doc_number] => 20150176093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'METHODS AND SYSTEMS FOR PROCESSING A REACTION PRODUCT MIXTURE OF CELLULOSIC BIOMASS MATERIAL' [patent_app_type] => utility [patent_app_number] => 14/485906 [patent_app_country] => US [patent_app_date] => 2014-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 19311 [patent_no_of_claims] => 25 [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] => 14485906 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/485906
Methods and systems for processing a reaction product mixture of cellulosic biomass material Sep 14, 2014 Issued
Array ( [id] => 11930036 [patent_doc_number] => 09797022 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-24 [patent_title] => 'Methods and systems for processing a reaction product mixture of cellulosic biomass material' [patent_app_type] => utility [patent_app_number] => 14/485859 [patent_app_country] => US [patent_app_date] => 2014-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 19257 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14485859 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/485859
Methods and systems for processing a reaction product mixture of cellulosic biomass material Sep 14, 2014 Issued
Array ( [id] => 11025519 [patent_doc_number] => 20160222474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-04 [patent_title] => 'METHOD AND INSTALLATION FOR PURIFYING A LIQUID PRODUCT' [patent_app_type] => utility [patent_app_number] => 15/021657 [patent_app_country] => US [patent_app_date] => 2014-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4772 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 16 [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] => 15021657 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/021657
METHOD AND INSTALLATION FOR PURIFYING A LIQUID PRODUCT Sep 11, 2014 Abandoned
Array ( [id] => 10974118 [patent_doc_number] => 20140377152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-25 [patent_title] => 'COPPER RECOVERY APPARATUS AND COPPER RECOVERY METHOD' [patent_app_type] => utility [patent_app_number] => 14/477988 [patent_app_country] => US [patent_app_date] => 2014-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 12605 [patent_no_of_claims] => 5 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14477988 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/477988
Copper recovery apparatus and copper recovery method Sep 4, 2014 Issued
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