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] => 9272981 [patent_doc_number] => 08636907 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-01-28 [patent_title] => 'Sealed magnetic filter for hazardous operations and easy clean service' [patent_app_type] => utility [patent_app_number] => 13/890602 [patent_app_country] => US [patent_app_date] => 2013-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2757 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13890602 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/890602
Sealed magnetic filter for hazardous operations and easy clean service May 8, 2013 Issued
Array ( [id] => 10560721 [patent_doc_number] => 09284382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-15 [patent_title] => 'Apparatus for continuously processing lignocellulosic material' [patent_app_type] => utility [patent_app_number] => 13/889662 [patent_app_country] => US [patent_app_date] => 2013-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4044 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13889662 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/889662
Apparatus for continuously processing lignocellulosic material May 7, 2013 Issued
Array ( [id] => 9177927 [patent_doc_number] => 20130319912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-05 [patent_title] => 'MAGNETIC SEPARATION OF PARTICLES INCLUDING ONE-STEP-CONDITIONING OF A PULP' [patent_app_type] => utility [patent_app_number] => 13/866613 [patent_app_country] => US [patent_app_date] => 2013-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8145 [patent_no_of_claims] => 13 [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] => 13866613 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/866613
Magnetic separation of particles including one-step-conditioning of a pulp Apr 18, 2013 Issued
Array ( [id] => 8973271 [patent_doc_number] => 20130206701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'METHOD OF TRANSPORTING MAGNETIC PARTICLES' [patent_app_type] => utility [patent_app_number] => 13/852367 [patent_app_country] => US [patent_app_date] => 2013-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7558 [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] => 13852367 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/852367
Method of transporting magnetic particles Mar 27, 2013 Issued
Array ( [id] => 11183345 [patent_doc_number] => 09414727 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-16 [patent_title] => 'Low energy sweeper system' [patent_app_type] => utility [patent_app_number] => 13/834192 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 34 [patent_no_of_words] => 7039 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13834192 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/834192
Low energy sweeper system Mar 14, 2013 Issued
Array ( [id] => 9602547 [patent_doc_number] => 20140199229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'COMPOSITIONS, METHODS, AND SYSTEMS FOR SEPARATING CARBON-BASED NANOSTRUCTURES' [patent_app_type] => utility [patent_app_number] => 13/827478 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 17058 [patent_no_of_claims] => 18 [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] => 13827478 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/827478
Compositions, methods, and systems for separating carbon-based nanostructures Mar 13, 2013 Issued
Array ( [id] => 10634768 [patent_doc_number] => 09352256 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-31 [patent_title] => 'Filtration systems and methods for filtering particles of a predetermined substance' [patent_app_type] => utility [patent_app_number] => 13/804447 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3087 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13804447 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/804447
Filtration systems and methods for filtering particles of a predetermined substance Mar 13, 2013 Issued
Array ( [id] => 9037818 [patent_doc_number] => 20130240456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'DEVICE AND METHOD FOR LABEL-FREE SEPARATION OF MATERIAL USING MAGNETIC FIELD' [patent_app_type] => utility [patent_app_number] => 13/800162 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 66 [patent_figures_cnt] => 66 [patent_no_of_words] => 19612 [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] => 13800162 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/800162
DEVICE AND METHOD FOR LABEL-FREE SEPARATION OF MATERIAL USING MAGNETIC FIELD Mar 12, 2013
Array ( [id] => 9177971 [patent_doc_number] => 20130319956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-05 [patent_title] => 'APPARATUS, SYSTEM AND METHOD FOR SEPARATING SOLIDS IN SUBMERSIBLE PUMP APPLICATIONS' [patent_app_type] => utility [patent_app_number] => 13/787143 [patent_app_country] => US [patent_app_date] => 2013-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3435 [patent_no_of_claims] => 24 [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] => 13787143 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/787143
APPARATUS, SYSTEM AND METHOD FOR SEPARATING SOLIDS IN SUBMERSIBLE PUMP APPLICATIONS Mar 5, 2013 Abandoned
Array ( [id] => 11197485 [patent_doc_number] => 09427681 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-30 [patent_title] => 'Multi-purpose self-cleaning filter system' [patent_app_type] => utility [patent_app_number] => 13/783631 [patent_app_country] => US [patent_app_date] => 2013-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5829 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13783631 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/783631
Multi-purpose self-cleaning filter system Mar 3, 2013 Issued
Array ( [id] => 10483843 [patent_doc_number] => 20150368862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-24 [patent_title] => 'RAW-MATERIAL SUPPLY DEVICE AND BIOMASS SEPARATION DEVICE' [patent_app_type] => utility [patent_app_number] => 14/764585 [patent_app_country] => US [patent_app_date] => 2013-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4828 [patent_no_of_claims] => 6 [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] => 14764585 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/764585
Raw-material supply device and biomass separation device Feb 27, 2013 Issued
Array ( [id] => 11894332 [patent_doc_number] => 09764252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-09-19 [patent_title] => 'System and method to treat a multiphase stream' [patent_app_type] => utility [patent_app_number] => 14/380589 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4129 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [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] => 14380589 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/380589
System and method to treat a multiphase stream Feb 24, 2013 Issued
Array ( [id] => 9860744 [patent_doc_number] => 20150040761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-12 [patent_title] => 'HYDROCYCLONE WITH FINE MATERIAL REDUCTION IN THE CYCLONE UNDERFLOW' [patent_app_type] => utility [patent_app_number] => 14/377423 [patent_app_country] => US [patent_app_date] => 2013-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2970 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [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] => 14377423 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/377423
HYDROCYCLONE WITH FINE MATERIAL REDUCTION IN THE CYCLONE UNDERFLOW Feb 7, 2013 Abandoned
Array ( [id] => 9976894 [patent_doc_number] => 09023200 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-05 [patent_title] => 'Rotary-drum type magnetic separator' [patent_app_type] => utility [patent_app_number] => 13/982335 [patent_app_country] => US [patent_app_date] => 2013-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6454 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13982335 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/982335
Rotary-drum type magnetic separator Feb 4, 2013 Issued
Array ( [id] => 9473819 [patent_doc_number] => 20140131282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-15 [patent_title] => 'MAGNETIC PARTICLE CONTROL SYSTEM AND A METHOD FOR CONTROLLING MAGNETIC PARTICLE USING THEREOF' [patent_app_type] => utility [patent_app_number] => 13/755473 [patent_app_country] => US [patent_app_date] => 2013-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5275 [patent_no_of_claims] => 11 [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] => 13755473 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/755473
Magnetic particle control system and a method for controlling magnetic particle using thereof Jan 30, 2013 Issued
Array ( [id] => 8850573 [patent_doc_number] => 20130140248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'SYSTEMS, DEVICES AND METHODS FOR HIGH VOLUME FLUID FILTERING' [patent_app_type] => utility [patent_app_number] => 13/756008 [patent_app_country] => US [patent_app_date] => 2013-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8439 [patent_no_of_claims] => 24 [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] => 13756008 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/756008
Systems, devices and methods for high volume fluid filtering Jan 30, 2013 Issued
Array ( [id] => 8946902 [patent_doc_number] => 20130192682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-01 [patent_title] => 'APPARATUS AND METHOD FOR MAGNETICALLY CONDITIONING FLUIDS' [patent_app_type] => utility [patent_app_number] => 13/748817 [patent_app_country] => US [patent_app_date] => 2013-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6800 [patent_no_of_claims] => 15 [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] => 13748817 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/748817
APPARATUS AND METHOD FOR MAGNETICALLY CONDITIONING FLUIDS Jan 23, 2013 Abandoned
Array ( [id] => 10971300 [patent_doc_number] => 20140374334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-25 [patent_title] => 'FILTER DEVICE AND FILTER ELEMENT FOR SUCH A FILTER DEVICE' [patent_app_type] => utility [patent_app_number] => 13/261935 [patent_app_country] => US [patent_app_date] => 2013-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1885 [patent_no_of_claims] => 12 [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] => 13261935 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/261935
FILTER DEVICE AND FILTER ELEMENT FOR SUCH A FILTER DEVICE Jan 16, 2013 Abandoned
Array ( [id] => 9454416 [patent_doc_number] => 08715419 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-06 [patent_title] => 'Method for treating, pressing and washing biomass' [patent_app_type] => utility [patent_app_number] => 13/740680 [patent_app_country] => US [patent_app_date] => 2013-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4631 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13740680 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/740680
Method for treating, pressing and washing biomass Jan 13, 2013 Issued
Array ( [id] => 9600435 [patent_doc_number] => 20140197116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'Systems, devices and methods for high volume fluid filtering' [patent_app_type] => utility [patent_app_number] => 13/694859 [patent_app_country] => US [patent_app_date] => 2013-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8419 [patent_no_of_claims] => 24 [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] => 13694859 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/694859
Systems, devices and methods for high volume fluid filtering Jan 10, 2013 Abandoned
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