Search

David A. Reifsnyder

Examiner (ID: 13912)

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] => 7501985 [patent_doc_number] => 08034245 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-10-11 [patent_title] => 'Method of driving liquid flow at or near the free surface using magnetic microparticles' [patent_app_type] => utility [patent_app_number] => 12/174781 [patent_app_country] => US [patent_app_date] => 2008-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 9383 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/034/08034245.pdf [firstpage_image] =>[orig_patent_app_number] => 12174781 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/174781
Method of driving liquid flow at or near the free surface using magnetic microparticles Jul 16, 2008 Issued
Array ( [id] => 5293311 [patent_doc_number] => 20090008237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-08 [patent_title] => 'Device for producing active material for lithium secondary battery and method for producing active material for lithium secondary battery, method for manufacturing electrode for lithium secondary battery, and method for manufacturing lithium secondary battery' [patent_app_type] => utility [patent_app_number] => 12/216372 [patent_app_country] => US [patent_app_date] => 2008-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2627 [patent_no_of_claims] => 16 [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/A1/0008/20090008237.pdf [firstpage_image] =>[orig_patent_app_number] => 12216372 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/216372
Device for producing active material for lithium secondary battery and method for producing active material for lithium secondary battery, method for manufacturing electrode for lithium secondary battery, and method for manufacturing lithium secondary battery Jul 1, 2008 Abandoned
Array ( [id] => 7534691 [patent_doc_number] => 08048313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-01 [patent_title] => 'Method and apparatus for preventing scale deposits and removing contaminants from fluid columns' [patent_app_type] => utility [patent_app_number] => 12/215745 [patent_app_country] => US [patent_app_date] => 2008-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 19828 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/048/08048313.pdf [firstpage_image] =>[orig_patent_app_number] => 12215745 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/215745
Method and apparatus for preventing scale deposits and removing contaminants from fluid columns Jun 28, 2008 Issued
Array ( [id] => 6389676 [patent_doc_number] => 20100163468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-01 [patent_title] => 'WATER TREATMENT APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/452349 [patent_app_country] => US [patent_app_date] => 2008-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8539 [patent_no_of_claims] => 8 [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/A1/0163/20100163468.pdf [firstpage_image] =>[orig_patent_app_number] => 12452349 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/452349
WATER TREATMENT APPARATUS Jun 26, 2008 Abandoned
Array ( [id] => 8244429 [patent_doc_number] => 08202352 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-19 [patent_title] => 'Wetted wall cyclone system and methods' [patent_app_type] => utility [patent_app_number] => 12/163265 [patent_app_country] => US [patent_app_date] => 2008-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 9322 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/202/08202352.pdf [firstpage_image] =>[orig_patent_app_number] => 12163265 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/163265
Wetted wall cyclone system and methods Jun 26, 2008 Issued
Array ( [id] => 7739218 [patent_doc_number] => 08105493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-31 [patent_title] => 'Aggregation and dispersion methods of magnetic particles, separation and detection methods using the same and detection kit' [patent_app_type] => utility [patent_app_number] => 12/147216 [patent_app_country] => US [patent_app_date] => 2008-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 9188 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/105/08105493.pdf [firstpage_image] =>[orig_patent_app_number] => 12147216 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/147216
Aggregation and dispersion methods of magnetic particles, separation and detection methods using the same and detection kit Jun 25, 2008 Issued
Array ( [id] => 8590194 [patent_doc_number] => 08348064 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-08 [patent_title] => 'Multi-cyclone sediment filter' [patent_app_type] => utility [patent_app_number] => 12/665299 [patent_app_country] => US [patent_app_date] => 2008-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4243 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12665299 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/665299
Multi-cyclone sediment filter Jun 19, 2008 Issued
Array ( [id] => 5299732 [patent_doc_number] => 20090294384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-03 [patent_title] => 'REMOVAL OF BITUMEN FROM SLURRY USING A SCAVENGING GAS' [patent_app_type] => utility [patent_app_number] => 12/132165 [patent_app_country] => US [patent_app_date] => 2008-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 11327 [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] => publications/A1/0294/20090294384.pdf [firstpage_image] =>[orig_patent_app_number] => 12132165 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/132165
REMOVAL OF BITUMEN FROM SLURRY USING A SCAVENGING GAS Jun 2, 2008 Abandoned
Array ( [id] => 7723858 [patent_doc_number] => 08097128 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-01-17 [patent_title] => 'Method and apparatus for purifying water' [patent_app_type] => utility [patent_app_number] => 12/156217 [patent_app_country] => US [patent_app_date] => 2008-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 20935 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/097/08097128.pdf [firstpage_image] =>[orig_patent_app_number] => 12156217 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/156217
Method and apparatus for purifying water May 30, 2008 Issued
Array ( [id] => 5490747 [patent_doc_number] => 20090291818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Centrifugal device and method for fluid component separation' [patent_app_type] => utility [patent_app_number] => 12/154389 [patent_app_country] => US [patent_app_date] => 2008-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2363 [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/A1/0291/20090291818.pdf [firstpage_image] =>[orig_patent_app_number] => 12154389 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/154389
Centrifugal device and method for fluid component separation May 21, 2008 Issued
Array ( [id] => 4504104 [patent_doc_number] => 07914689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-29 [patent_title] => 'Apparatus and method for separating and concentrating fluids containing multiple components' [patent_app_type] => utility [patent_app_number] => 12/123132 [patent_app_country] => US [patent_app_date] => 2008-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 13029 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/914/07914689.pdf [firstpage_image] =>[orig_patent_app_number] => 12123132 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/123132
Apparatus and method for separating and concentrating fluids containing multiple components May 18, 2008 Issued
Array ( [id] => 5313229 [patent_doc_number] => 20090277827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-12 [patent_title] => 'Liquids rebalancer' [patent_app_type] => utility [patent_app_number] => 12/152075 [patent_app_country] => US [patent_app_date] => 2008-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 331 [patent_no_of_claims] => 1 [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/A1/0277/20090277827.pdf [firstpage_image] =>[orig_patent_app_number] => 12152075 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/152075
Liquids rebalancer May 11, 2008 Abandoned
Array ( [id] => 9285573 [patent_doc_number] => 08641899 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-04 [patent_title] => 'Method and apparatus for removing metal cuttings from an oil well drilling mud stream' [patent_app_type] => utility [patent_app_number] => 12/117045 [patent_app_country] => US [patent_app_date] => 2008-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2503 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [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] => 12117045 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/117045
Method and apparatus for removing metal cuttings from an oil well drilling mud stream May 7, 2008 Issued
Array ( [id] => 5464283 [patent_doc_number] => 20090324483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-31 [patent_title] => 'Separation of carbon nanotubes into chirally enriched fractions' [patent_app_type] => utility [patent_app_number] => 12/150813 [patent_app_country] => US [patent_app_date] => 2008-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3752 [patent_no_of_claims] => 13 [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/A1/0324/20090324483.pdf [firstpage_image] =>[orig_patent_app_number] => 12150813 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/150813
Separation of carbon nanotubes into chirally enriched fractions Apr 29, 2008 Issued
Array ( [id] => 8351516 [patent_doc_number] => 08246843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-21 [patent_title] => 'Process and device for the separation of oil/water mixtures' [patent_app_type] => utility [patent_app_number] => 12/595918 [patent_app_country] => US [patent_app_date] => 2008-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3899 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12595918 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/595918
Process and device for the separation of oil/water mixtures Apr 15, 2008 Issued
Array ( [id] => 7526921 [patent_doc_number] => 08043512 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-25 [patent_title] => 'Fluid treatment arrangements and methods' [patent_app_type] => utility [patent_app_number] => 12/101392 [patent_app_country] => US [patent_app_date] => 2008-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 9614 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/043/08043512.pdf [firstpage_image] =>[orig_patent_app_number] => 12101392 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/101392
Fluid treatment arrangements and methods Apr 10, 2008 Issued
Array ( [id] => 6238123 [patent_doc_number] => 20100132799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-03 [patent_title] => 'Vessel, Dispensing Devices, Kits And Methods For Containing Fluids' [patent_app_type] => utility [patent_app_number] => 12/595344 [patent_app_country] => US [patent_app_date] => 2008-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5919 [patent_no_of_claims] => 49 [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/A1/0132/20100132799.pdf [firstpage_image] =>[orig_patent_app_number] => 12595344 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/595344
Vessel, dispensing devices, kits and methods for containing fluids Apr 9, 2008 Issued
Array ( [id] => 9073757 [patent_doc_number] => 08551333 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-08 [patent_title] => 'Particle-based microfluidic device for providing high magnetic field gradients' [patent_app_type] => utility [patent_app_number] => 12/594179 [patent_app_country] => US [patent_app_date] => 2008-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6507 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 12594179 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/594179
Particle-based microfluidic device for providing high magnetic field gradients Apr 6, 2008 Issued
Array ( [id] => 8211026 [patent_doc_number] => 08191715 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-05 [patent_title] => 'Centrifugal force-based microfluidic device and microfluidic system including the same' [patent_app_type] => utility [patent_app_number] => 12/056345 [patent_app_country] => US [patent_app_date] => 2008-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 11188 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/191/08191715.pdf [firstpage_image] =>[orig_patent_app_number] => 12056345 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/056345
Centrifugal force-based microfluidic device and microfluidic system including the same Mar 26, 2008 Issued
Array ( [id] => 4789050 [patent_doc_number] => 20080290023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-27 [patent_title] => 'Induced vortex particle separator' [patent_app_type] => utility [patent_app_number] => 12/078168 [patent_app_country] => US [patent_app_date] => 2008-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2900 [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/A1/0290/20080290023.pdf [firstpage_image] =>[orig_patent_app_number] => 12078168 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/078168
Induced vortex particle separator Mar 26, 2008 Issued
Menu