Search

David A. Reifsnyder

Examiner (ID: 18909, Phone: (571)272-1145 , Office: P/1778 )

Most Active Art Unit
1723
Art Unit(s)
2899, 1723, 1778, 1797, 1306, 1776
Total Applications
2074
Issued Applications
1659
Pending Applications
148
Abandoned Applications
274

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9183285 [patent_doc_number] => 08623216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-07 [patent_title] => 'Magnetic resin separator' [patent_app_type] => utility [patent_app_number] => 13/648981 [patent_app_country] => US [patent_app_date] => 2012-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 11446 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13648981 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/648981
Magnetic resin separator Oct 9, 2012 Issued
Array ( [id] => 9408001 [patent_doc_number] => 20140099253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-10 [patent_title] => 'METHOD AND APPARATUS FOR MAGNETIC TREAMENT OF FUEL AND FLUIDS FOR COMBUSTIION EFFICIENCY AND REDUCTION OF CARBON EMISSIONS' [patent_app_type] => utility [patent_app_number] => 13/476066 [patent_app_country] => US [patent_app_date] => 2012-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4530 [patent_no_of_claims] => 3 [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] => 13476066 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/476066
METHOD AND APPARATUS FOR MAGNETIC TREAMENT OF FUEL AND FLUIDS FOR COMBUSTIION EFFICIENCY AND REDUCTION OF CARBON EMISSIONS Oct 4, 2012 Abandoned
Array ( [id] => 8634299 [patent_doc_number] => 20130026102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-31 [patent_title] => 'REMEDIATION SYSTEM FOR TRANSITION METAL IONS AND METHOD FOR SAME' [patent_app_type] => utility [patent_app_number] => 13/633742 [patent_app_country] => US [patent_app_date] => 2012-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3709 [patent_no_of_claims] => 21 [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] => 13633742 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/633742
Remediation system for transition metal ions and method for same Oct 1, 2012 Issued
Array ( [id] => 8603229 [patent_doc_number] => 20130008541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-10 [patent_title] => 'Water Treatment and Revitalization System and Method' [patent_app_type] => utility [patent_app_number] => 13/620815 [patent_app_country] => US [patent_app_date] => 2012-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 23562 [patent_no_of_claims] => 21 [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] => 13620815 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/620815
Water treatment and revitalization system and method Sep 14, 2012 Issued
Array ( [id] => 10916032 [patent_doc_number] => 20140319052 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-30 [patent_title] => 'CLOSING VALVE UNIT FOR A CYCLONE' [patent_app_type] => utility [patent_app_number] => 14/343575 [patent_app_country] => US [patent_app_date] => 2012-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4837 [patent_no_of_claims] => 14 [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] => 14343575 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/343575
Closing valve unit for a cyclone Sep 5, 2012 Issued
Array ( [id] => 9667495 [patent_doc_number] => 20140231358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'MAGNETIC SEPARATOR, METHOD FOR OPERATION THEREOF AND USE THEREOF' [patent_app_type] => utility [patent_app_number] => 14/347839 [patent_app_country] => US [patent_app_date] => 2012-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6987 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14347839 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/347839
MAGNETIC SEPARATOR, METHOD FOR OPERATION THEREOF AND USE THEREOF Sep 3, 2012 Abandoned
Array ( [id] => 9565431 [patent_doc_number] => 20140183144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-03 [patent_title] => 'Water Treatment System and Method' [patent_app_type] => utility [patent_app_number] => 14/240396 [patent_app_country] => US [patent_app_date] => 2012-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 11911 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 24 [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] => 14240396 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/240396
Water Treatment System and Method Aug 23, 2012 Abandoned
Array ( [id] => 11249506 [patent_doc_number] => 09474991 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-25 [patent_title] => 'Water treatment system and method' [patent_app_type] => utility [patent_app_number] => 14/240398 [patent_app_country] => US [patent_app_date] => 2012-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 32 [patent_no_of_words] => 10728 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14240398 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/240398
Water treatment system and method Aug 23, 2012 Issued
Array ( [id] => 11243521 [patent_doc_number] => 09469553 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-18 [patent_title] => 'Retrofit attachments for water treatment systems' [patent_app_type] => utility [patent_app_number] => 14/240397 [patent_app_country] => US [patent_app_date] => 2012-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 32 [patent_no_of_words] => 7241 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14240397 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/240397
Retrofit attachments for water treatment systems Aug 23, 2012 Issued
Array ( [id] => 10896373 [patent_doc_number] => 08919574 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-30 [patent_title] => 'Water purifier' [patent_app_type] => utility [patent_app_number] => 13/584665 [patent_app_country] => US [patent_app_date] => 2012-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2973 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13584665 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/584665
Water purifier Aug 12, 2012 Issued
Array ( [id] => 8975890 [patent_doc_number] => 20130209320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'DYNAMIC FILTRATION SYSTEM AND ASSOCIATED METHODS' [patent_app_type] => utility [patent_app_number] => 13/584705 [patent_app_country] => US [patent_app_date] => 2012-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5473 [patent_no_of_claims] => 28 [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] => 13584705 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/584705
Dynamic filtration system and associated methods Aug 12, 2012 Issued
Array ( [id] => 10541625 [patent_doc_number] => 09266735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-23 [patent_title] => 'Separation of single-walled carbon nanotubes by self-forming density gradient ultracentrifugation' [patent_app_type] => utility [patent_app_number] => 13/507924 [patent_app_country] => US [patent_app_date] => 2012-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 6642 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13507924 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/507924
Separation of single-walled carbon nanotubes by self-forming density gradient ultracentrifugation Aug 6, 2012 Issued
Array ( [id] => 9283985 [patent_doc_number] => 08640303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-04 [patent_title] => 'Configuration of a cyclone assembly and surface cleaning apparatus having same' [patent_app_type] => utility [patent_app_number] => 13/559817 [patent_app_country] => US [patent_app_date] => 2012-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 6386 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13559817 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/559817
Configuration of a cyclone assembly and surface cleaning apparatus having same Jul 26, 2012 Issued
Array ( [id] => 10333458 [patent_doc_number] => 20150218463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'Process and Device for Treating Catalyst Discharged from Bubbling Bed Hydrogenation of Residual Oil' [patent_app_type] => utility [patent_app_number] => 14/398059 [patent_app_country] => US [patent_app_date] => 2012-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5192 [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] => 14398059 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/398059
Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil Jul 24, 2012 Issued
Array ( [id] => 8634301 [patent_doc_number] => 20130026104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-31 [patent_title] => 'MAGNETIC SEPARATION DEVICE AND METHODS' [patent_app_type] => utility [patent_app_number] => 13/554565 [patent_app_country] => US [patent_app_date] => 2012-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8488 [patent_no_of_claims] => 8 [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] => 13554565 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/554565
Magnetic separation device and methods Jul 19, 2012 Issued
Array ( [id] => 10580163 [patent_doc_number] => 09302276 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-05 [patent_title] => 'Particle separation device' [patent_app_type] => utility [patent_app_number] => 13/550927 [patent_app_country] => US [patent_app_date] => 2012-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2856 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13550927 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/550927
Particle separation device Jul 16, 2012 Issued
Array ( [id] => 11829039 [patent_doc_number] => 09725775 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-08 [patent_title] => 'Diffuser' [patent_app_type] => utility [patent_app_number] => 14/235122 [patent_app_country] => US [patent_app_date] => 2012-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2660 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14235122 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/235122
Diffuser Jul 15, 2012 Issued
Array ( [id] => 9223753 [patent_doc_number] => 20140018529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-16 [patent_title] => 'NUCLEIC ACID ISOLATION AND PURIFICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/547078 [patent_app_country] => US [patent_app_date] => 2012-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6411 [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] => 13547078 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/547078
NUCLEIC ACID ISOLATION AND PURIFICATION SYSTEM Jul 11, 2012 Abandoned
Array ( [id] => 9117754 [patent_doc_number] => 20130284676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'APPARATUS FOR SELF-EXTRACTING CELLS USING MAGNETIC FIELD AND METHOD FOR SELF-EXTRACTING CELLS USING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/546187 [patent_app_country] => US [patent_app_date] => 2012-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3425 [patent_no_of_claims] => 11 [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] => 13546187 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/546187
Apparatus for self-extracting cells using magnetic field and method for self-extracting cells using the same Jul 10, 2012 Issued
Array ( [id] => 10515182 [patent_doc_number] => 09242213 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-01-26 [patent_title] => 'Forward osmosis using magnetic nanoparticle draw solutions' [patent_app_type] => utility [patent_app_number] => 13/507538 [patent_app_country] => US [patent_app_date] => 2012-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4265 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13507538 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/507538
Forward osmosis using magnetic nanoparticle draw solutions Jul 5, 2012 Issued
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