Search

Keith Ferguson

Examiner (ID: 14372, Phone: (571)272-7865 , Office: P/2647 )

Most Active Art Unit
2648
Art Unit(s)
2746, 2744, 2683, 2618, 2647, 2617, 2648, 2608, 2601
Total Applications
1959
Issued Applications
1662
Pending Applications
120
Abandoned Applications
201

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1377956 [patent_doc_number] => 06533050 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-03-18 [patent_title] => 'Excavation bit for a drilling apparatus' [patent_app_type] => B2 [patent_app_number] => 09/829006 [patent_app_country] => US [patent_app_date] => 2001-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 24 [patent_no_of_words] => 8220 [patent_no_of_claims] => 23 [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] => patents/06/533/06533050.pdf [firstpage_image] =>[orig_patent_app_number] => 09829006 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/829006
Excavation bit for a drilling apparatus Apr 9, 2001 Issued
Array ( [id] => 1321148 [patent_doc_number] => 06595294 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-22 [patent_title] => 'Method and device for gas lifted wells' [patent_app_type] => B1 [patent_app_number] => 09/719979 [patent_app_country] => US [patent_app_date] => 2001-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 4888 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/595/06595294.pdf [firstpage_image] =>[orig_patent_app_number] => 09719979 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/719979
Method and device for gas lifted wells Apr 3, 2001 Issued
Array ( [id] => 5899884 [patent_doc_number] => 20020139540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-03 [patent_title] => 'Method and apparatus for downhole tubular expansion' [patent_app_type] => new [patent_app_number] => 09/818119 [patent_app_country] => US [patent_app_date] => 2001-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3672 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0139/20020139540.pdf [firstpage_image] =>[orig_patent_app_number] => 09818119 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/818119
Method and apparatus for downhole tubular expansion Mar 26, 2001 Issued
Array ( [id] => 7063018 [patent_doc_number] => 20010042620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-22 [patent_title] => 'Water well filter apparatus' [patent_app_type] => new [patent_app_number] => 09/812154 [patent_app_country] => US [patent_app_date] => 2001-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5383 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0042/20010042620.pdf [firstpage_image] =>[orig_patent_app_number] => 09812154 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/812154
Water well filter apparatus Mar 18, 2001 Issued
Array ( [id] => 6946701 [patent_doc_number] => 20010020551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-09-13 [patent_title] => 'Rotary drag-type drill bits and methods of designing such bits' [patent_app_type] => new [patent_app_number] => 09/802999 [patent_app_country] => US [patent_app_date] => 2001-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5562 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0020/20010020551.pdf [firstpage_image] =>[orig_patent_app_number] => 09802999 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/802999
Rotary drag-type drill bits and methods of designing such bits Mar 8, 2001 Abandoned
Array ( [id] => 6410974 [patent_doc_number] => 20020125006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-12 [patent_title] => 'Apparatus and method for gravel packing an interval of a wellbore' [patent_app_type] => new [patent_app_number] => 09/800199 [patent_app_country] => US [patent_app_date] => 2001-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7293 [patent_no_of_claims] => 106 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0125/20020125006.pdf [firstpage_image] =>[orig_patent_app_number] => 09800199 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/800199
Apparatus and method for gravel packing an interval of a wellbore Mar 5, 2001 Issued
Array ( [id] => 6455491 [patent_doc_number] => 20020020535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-21 [patent_title] => 'Reservoir communication with a wellbore' [patent_app_type] => new [patent_app_number] => 09/797209 [patent_app_country] => US [patent_app_date] => 2001-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9350 [patent_no_of_claims] => 79 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0020/20020020535.pdf [firstpage_image] =>[orig_patent_app_number] => 09797209 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/797209
Reservoir communication with a wellbore Feb 28, 2001 Issued
Array ( [id] => 7104584 [patent_doc_number] => 20010004025 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-06-21 [patent_title] => 'Device for drilling and draining holes in soil or rock' [patent_app_type] => new-utility [patent_app_number] => 09/783099 [patent_app_country] => US [patent_app_date] => 2001-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4250 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0004/20010004025.pdf [firstpage_image] =>[orig_patent_app_number] => 09783099 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/783099
Device for drilling and draining holes in soil or rock Feb 14, 2001 Issued
Array ( [id] => 1359416 [patent_doc_number] => 06554066 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-29 [patent_title] => 'Gas separator with automatic level control' [patent_app_type] => B2 [patent_app_number] => 09/768009 [patent_app_country] => US [patent_app_date] => 2001-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4675 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/554/06554066.pdf [firstpage_image] =>[orig_patent_app_number] => 09768009 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/768009
Gas separator with automatic level control Jan 23, 2001 Issued
Array ( [id] => 7039856 [patent_doc_number] => 20010004936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-06-28 [patent_title] => 'Resilient well cement compositions and methods' [patent_app_type] => new-utility [patent_app_number] => 09/767554 [patent_app_country] => US [patent_app_date] => 2001-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4352 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0004/20010004936.pdf [firstpage_image] =>[orig_patent_app_number] => 09767554 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/767554
Resilient well cement compositions and methods Jan 22, 2001 Issued
Array ( [id] => 1264274 [patent_doc_number] => 06651740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-11-25 [patent_title] => 'System for use in a subterranean environment to vent gas for improved production of a desired fluid' [patent_app_type] => B2 [patent_app_number] => 09/766739 [patent_app_country] => US [patent_app_date] => 2001-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1691 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/651/06651740.pdf [firstpage_image] =>[orig_patent_app_number] => 09766739 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/766739
System for use in a subterranean environment to vent gas for improved production of a desired fluid Jan 21, 2001 Issued
Array ( [id] => 1446141 [patent_doc_number] => 06453994 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Buoyant water pump system' [patent_app_type] => B1 [patent_app_number] => 09/759079 [patent_app_country] => US [patent_app_date] => 2001-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2676 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/453/06453994.pdf [firstpage_image] =>[orig_patent_app_number] => 09759079 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/759079
Buoyant water pump system Jan 11, 2001 Issued
Array ( [id] => 1404082 [patent_doc_number] => 06505693 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-14 [patent_title] => 'Soil sampler' [patent_app_type] => B1 [patent_app_number] => 09/743669 [patent_app_country] => US [patent_app_date] => 2001-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4253 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/505/06505693.pdf [firstpage_image] =>[orig_patent_app_number] => 09743669 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/743669
Soil sampler Jan 9, 2001 Issued
Array ( [id] => 6892924 [patent_doc_number] => 20010015290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-23 [patent_title] => 'Hardfacing rock bit cones for erosion protection' [patent_app_type] => new [patent_app_number] => 09/757297 [patent_app_country] => US [patent_app_date] => 2001-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6368 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0015/20010015290.pdf [firstpage_image] =>[orig_patent_app_number] => 09757297 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/757297
Hardfacing rock bit cones for erosion protection Jan 8, 2001 Abandoned
Array ( [id] => 1483380 [patent_doc_number] => 06427774 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-06 [patent_title] => 'Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge' [patent_app_type] => B1 [patent_app_number] => 09/755228 [patent_app_country] => US [patent_app_date] => 2001-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 8870 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/427/06427774.pdf [firstpage_image] =>[orig_patent_app_number] => 09755228 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/755228
Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge Jan 4, 2001 Issued
Array ( [id] => 1349782 [patent_doc_number] => 06564883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-05-20 [patent_title] => 'Rib-mounted logging-while-drilling (LWD) sensors' [patent_app_type] => B2 [patent_app_number] => 09/727929 [patent_app_country] => US [patent_app_date] => 2000-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 8650 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/564/06564883.pdf [firstpage_image] =>[orig_patent_app_number] => 09727929 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/727929
Rib-mounted logging-while-drilling (LWD) sensors Nov 29, 2000 Issued
Array ( [id] => 6590027 [patent_doc_number] => 20020062963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-30 [patent_title] => 'Flow-operated valve' [patent_app_type] => new [patent_app_number] => 09/725779 [patent_app_country] => US [patent_app_date] => 2000-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2570 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20020062963.pdf [firstpage_image] =>[orig_patent_app_number] => 09725779 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/725779
Flow-operated valve Nov 28, 2000 Issued
Array ( [id] => 1514095 [patent_doc_number] => 06499539 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-31 [patent_title] => 'Process for reducing the adsorption of polymers onto rock matrix' [patent_app_type] => B1 [patent_app_number] => 09/721653 [patent_app_country] => US [patent_app_date] => 2000-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2731 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/499/06499539.pdf [firstpage_image] =>[orig_patent_app_number] => 09721653 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/721653
Process for reducing the adsorption of polymers onto rock matrix Nov 26, 2000 Issued
Array ( [id] => 1362393 [patent_doc_number] => 06550538 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-22 [patent_title] => 'Communication with a downhole tool' [patent_app_type] => B1 [patent_app_number] => 09/717979 [patent_app_country] => US [patent_app_date] => 2000-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4344 [patent_no_of_claims] => 69 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/550/06550538.pdf [firstpage_image] =>[orig_patent_app_number] => 09717979 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/717979
Communication with a downhole tool Nov 20, 2000 Issued
Array ( [id] => 1339948 [patent_doc_number] => 06575250 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-10 [patent_title] => 'Expanding a tubular element in a wellbore' [patent_app_type] => B1 [patent_app_number] => 09/713279 [patent_app_country] => US [patent_app_date] => 2000-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1054 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/575/06575250.pdf [firstpage_image] =>[orig_patent_app_number] => 09713279 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/713279
Expanding a tubular element in a wellbore Nov 14, 2000 Issued
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