Search

Walter Dean Griffin

Supervisory Patent Examiner (ID: 12156, Phone: (571)272-1447 , Office: P/1774 )

Most Active Art Unit
1764
Art Unit(s)
1797, 1754, 1109, 1106, 1764, 1774
Total Applications
1405
Issued Applications
856
Pending Applications
234
Abandoned Applications
315

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4764511 [patent_doc_number] => 20080175722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-24 [patent_title] => 'VACUUM PUMP WITH WEAR ADJUSTMENT' [patent_app_type] => utility [patent_app_number] => 11/625163 [patent_app_country] => US [patent_app_date] => 2007-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6399 [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/A1/0175/20080175722.pdf [firstpage_image] =>[orig_patent_app_number] => 11625163 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/625163
VACUUM PUMP WITH WEAR ADJUSTMENT Jan 18, 2007 Abandoned
Array ( [id] => 5186319 [patent_doc_number] => 20070164626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-19 [patent_title] => 'FUEL-CELL COMPRESSED-AIR SUPPLYING DEVICE' [patent_app_type] => utility [patent_app_number] => 11/623966 [patent_app_country] => US [patent_app_date] => 2007-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4670 [patent_no_of_claims] => 9 [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/A1/0164/20070164626.pdf [firstpage_image] =>[orig_patent_app_number] => 11623966 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/623966
FUEL-CELL COMPRESSED-AIR SUPPLYING DEVICE Jan 16, 2007 Abandoned
Array ( [id] => 5010362 [patent_doc_number] => 20070280841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-06 [patent_title] => 'Hydrodynamic thrust bearings for rotary blood pumps' [patent_app_type] => utility [patent_app_number] => 11/654216 [patent_app_country] => US [patent_app_date] => 2007-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9677 [patent_no_of_claims] => 17 [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/A1/0280/20070280841.pdf [firstpage_image] =>[orig_patent_app_number] => 11654216 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/654216
Hydrodynamic thrust bearings for rotary blood pumps Jan 15, 2007 Issued
Array ( [id] => 9272552 [patent_doc_number] => 08636478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-28 [patent_title] => 'Sensor assembly for determining fluid properties in a subsurface well' [patent_app_type] => utility [patent_app_number] => 11/651649 [patent_app_country] => US [patent_app_date] => 2007-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10392 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11651649 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/651649
Sensor assembly for determining fluid properties in a subsurface well Jan 8, 2007 Issued
Array ( [id] => 5100640 [patent_doc_number] => 20070183902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-09 [patent_title] => 'ANTI-ENTRAPMENT AND ANTI-DEAD HEAD FUNCTION' [patent_app_type] => utility [patent_app_number] => 11/609057 [patent_app_country] => US [patent_app_date] => 2006-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8153 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0183/20070183902.pdf [firstpage_image] =>[orig_patent_app_number] => 11609057 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/609057
Anti-entrapment and anti-dead head function Dec 10, 2006 Issued
Array ( [id] => 8434600 [patent_doc_number] => 08282366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-09 [patent_title] => 'Micropump' [patent_app_type] => utility [patent_app_number] => 12/086661 [patent_app_country] => US [patent_app_date] => 2006-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 6216 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12086661 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/086661
Micropump Dec 7, 2006 Issued
Array ( [id] => 184114 [patent_doc_number] => 07645124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-12 [patent_title] => 'Estimation and control of a resonant plant prone to stick-slip behavior' [patent_app_type] => utility [patent_app_number] => 11/564474 [patent_app_country] => US [patent_app_date] => 2006-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 5802 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/645/07645124.pdf [firstpage_image] =>[orig_patent_app_number] => 11564474 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/564474
Estimation and control of a resonant plant prone to stick-slip behavior Nov 28, 2006 Issued
Array ( [id] => 5122448 [patent_doc_number] => 20070234717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-11 [patent_title] => 'Alternative Methods to Generate High Pressure by Iteration in a High-Pressure Multichamber' [patent_app_type] => utility [patent_app_number] => 11/564435 [patent_app_country] => US [patent_app_date] => 2006-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5000 [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] => publications/A1/0234/20070234717.pdf [firstpage_image] =>[orig_patent_app_number] => 11564435 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/564435
Alternative Methods to Generate High Pressure by Iteration in a High-Pressure Multichamber Nov 28, 2006 Abandoned
Array ( [id] => 5094978 [patent_doc_number] => 20070116587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Volume-metering pump device' [patent_app_type] => utility [patent_app_number] => 11/603169 [patent_app_country] => US [patent_app_date] => 2006-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2235 [patent_no_of_claims] => 7 [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/A1/0116/20070116587.pdf [firstpage_image] =>[orig_patent_app_number] => 11603169 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/603169
Volume-metering pump device Nov 21, 2006 Abandoned
Array ( [id] => 5215508 [patent_doc_number] => 20070104588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-10 [patent_title] => 'Rotary pressure exchanger' [patent_app_type] => utility [patent_app_number] => 11/601632 [patent_app_country] => US [patent_app_date] => 2006-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2489 [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/A1/0104/20070104588.pdf [firstpage_image] =>[orig_patent_app_number] => 11601632 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/601632
Rotary pressure exchanger Nov 19, 2006 Abandoned
Array ( [id] => 4650864 [patent_doc_number] => 20080038120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-14 [patent_title] => 'TWO STAGE CONICAL LIQUID RING PUMP HAVING REMOVABLE MANIFOLD, SHIMS AND FIRST AND SECOND STAGE HEAD O-RING RECEIVING BOSS' [patent_app_type] => utility [patent_app_number] => 11/561186 [patent_app_country] => US [patent_app_date] => 2006-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3116 [patent_no_of_claims] => 12 [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/A1/0038/20080038120.pdf [firstpage_image] =>[orig_patent_app_number] => 11561186 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/561186
TWO STAGE CONICAL LIQUID RING PUMP HAVING REMOVABLE MANIFOLD, SHIMS AND FIRST AND SECOND STAGE HEAD O-RING RECEIVING BOSS Nov 16, 2006 Abandoned
Array ( [id] => 4660013 [patent_doc_number] => 20080250920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-16 [patent_title] => 'Hydrostatic Piston Machine' [patent_app_type] => utility [patent_app_number] => 12/093163 [patent_app_country] => US [patent_app_date] => 2006-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4727 [patent_no_of_claims] => 13 [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/A1/0250/20080250920.pdf [firstpage_image] =>[orig_patent_app_number] => 12093163 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/093163
Hydrostatic Piston Machine Nov 8, 2006 Abandoned
Array ( [id] => 6505966 [patent_doc_number] => 20100229626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-16 [patent_title] => 'Apparatus for Detecting a Flammable Atmosphere Within a Compressor, in Particular a Vacuum Pump' [patent_app_type] => utility [patent_app_number] => 12/086743 [patent_app_country] => US [patent_app_date] => 2006-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4255 [patent_no_of_claims] => 39 [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/A1/0229/20100229626.pdf [firstpage_image] =>[orig_patent_app_number] => 12086743 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/086743
Apparatus for detecting a flammable atmosphere within a compressor, in particular a vacuum pump Nov 8, 2006 Issued
Array ( [id] => 4987993 [patent_doc_number] => 20070154332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Vapor Recovery Pump' [patent_app_type] => utility [patent_app_number] => 11/557339 [patent_app_country] => US [patent_app_date] => 2006-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3745 [patent_no_of_claims] => 17 [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/A1/0154/20070154332.pdf [firstpage_image] =>[orig_patent_app_number] => 11557339 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/557339
Vapor recovery pump Nov 6, 2006 Issued
Array ( [id] => 5098132 [patent_doc_number] => 20070181392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-09 [patent_title] => 'GAS STRUT PROTECTIVE COVER' [patent_app_type] => utility [patent_app_number] => 11/552189 [patent_app_country] => US [patent_app_date] => 2006-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1284 [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] => publications/A1/0181/20070181392.pdf [firstpage_image] =>[orig_patent_app_number] => 11552189 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/552189
GAS STRUT PROTECTIVE COVER Oct 23, 2006 Abandoned
Array ( [id] => 5117497 [patent_doc_number] => 20070139211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-21 [patent_title] => 'SENSOR SYSTEM FOR A POSITIVE DISPLACEMENT PUMP' [patent_app_type] => utility [patent_app_number] => 11/550202 [patent_app_country] => US [patent_app_date] => 2006-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4181 [patent_no_of_claims] => 31 [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/A1/0139/20070139211.pdf [firstpage_image] =>[orig_patent_app_number] => 11550202 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/550202
Sensor system for a positive displacement pump Oct 16, 2006 Issued
Array ( [id] => 4982347 [patent_doc_number] => 20070086905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-19 [patent_title] => 'Brushless motor and fluid pump having the same' [patent_app_type] => utility [patent_app_number] => 11/546914 [patent_app_country] => US [patent_app_date] => 2006-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2948 [patent_no_of_claims] => 7 [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/A1/0086/20070086905.pdf [firstpage_image] =>[orig_patent_app_number] => 11546914 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/546914
Brushless motor and fluid pump having the same Oct 12, 2006 Abandoned
Array ( [id] => 6269801 [patent_doc_number] => 20100254830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-07 [patent_title] => 'Magnetically driven micro-pumping method using external rotating stirrer' [patent_app_type] => utility [patent_app_number] => 11/545189 [patent_app_country] => US [patent_app_date] => 2006-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3713 [patent_no_of_claims] => 20 [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] => publications/A1/0254/20100254830.pdf [firstpage_image] =>[orig_patent_app_number] => 11545189 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/545189
Magnetically driven micro-pumping method using external rotating stirrer Oct 9, 2006 Abandoned
Array ( [id] => 8624492 [patent_doc_number] => 08356985 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-22 [patent_title] => 'Safe over-center pump/motor' [patent_app_type] => utility [patent_app_number] => 11/540089 [patent_app_country] => US [patent_app_date] => 2006-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 21 [patent_no_of_words] => 9618 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 9 [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] => 11540089 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/540089
Safe over-center pump/motor Sep 28, 2006 Issued
Array ( [id] => 5132999 [patent_doc_number] => 20070074626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-05 [patent_title] => 'Distribution system for a hydrostatic piston machine' [patent_app_type] => utility [patent_app_number] => 11/528503 [patent_app_country] => US [patent_app_date] => 2006-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2166 [patent_no_of_claims] => 4 [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/A1/0074/20070074626.pdf [firstpage_image] =>[orig_patent_app_number] => 11528503 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/528503
Distribution system for a hydrostatic piston machine Sep 27, 2006 Abandoned
Menu