Search

David J. Bagnell

Supervisory Patent Examiner (ID: 18850, Phone: (571)272-6999 , Office: P/3672 )

Most Active Art Unit
3506
Art Unit(s)
3506, 3672, 3625, 2899
Total Applications
1485
Issued Applications
1249
Pending Applications
111
Abandoned Applications
125

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3908334 [patent_doc_number] => RE036362 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Polymer liners in rod pumping wells' [patent_app_type] => 2 [patent_app_number] => 9/069646 [patent_app_country] => US [patent_app_date] => 1998-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1723 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/036/RE036362.pdf [firstpage_image] =>[orig_patent_app_number] => 069646 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/069646
Polymer liners in rod pumping wells Apr 28, 1998 Issued
Array ( [id] => 3917865 [patent_doc_number] => 05975219 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Method for controlling entry of a drillstem into a wellbore to minimize surge pressure' [patent_app_type] => 1 [patent_app_number] => 9/066116 [patent_app_country] => US [patent_app_date] => 1998-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 7436 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/975/05975219.pdf [firstpage_image] =>[orig_patent_app_number] => 066116 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/066116
Method for controlling entry of a drillstem into a wellbore to minimize surge pressure Apr 22, 1998 Issued
Array ( [id] => 3905238 [patent_doc_number] => 05944124 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Composite material structures having reduced signal attentuation' [patent_app_type] => 1 [patent_app_number] => 8/965782 [patent_app_country] => US [patent_app_date] => 1997-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 9700 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/944/05944124.pdf [firstpage_image] =>[orig_patent_app_number] => 965782 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/965782
Composite material structures having reduced signal attentuation Nov 6, 1997 Issued
Array ( [id] => 3970012 [patent_doc_number] => 05860483 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-19 [patent_title] => 'Method for installing electronic equipment below soft earth surface' [patent_app_type] => 1 [patent_app_number] => 8/968911 [patent_app_country] => US [patent_app_date] => 1997-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 3483 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/860/05860483.pdf [firstpage_image] =>[orig_patent_app_number] => 968911 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/968911
Method for installing electronic equipment below soft earth surface Nov 5, 1997 Issued
Array ( [id] => 3923517 [patent_doc_number] => 05871050 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Well completion method' [patent_app_type] => 1 [patent_app_number] => 8/933461 [patent_app_country] => US [patent_app_date] => 1997-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3796 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/871/05871050.pdf [firstpage_image] =>[orig_patent_app_number] => 933461 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/933461
Well completion method Sep 17, 1997 Issued
Array ( [id] => 3786240 [patent_doc_number] => 05829525 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Bypass tool' [patent_app_type] => 1 [patent_app_number] => 8/932520 [patent_app_country] => US [patent_app_date] => 1997-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3818 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/829/05829525.pdf [firstpage_image] =>[orig_patent_app_number] => 932520 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/932520
Bypass tool Sep 17, 1997 Issued
Array ( [id] => 3853806 [patent_doc_number] => 05823254 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Well completion tool' [patent_app_type] => 1 [patent_app_number] => 8/936480 [patent_app_country] => US [patent_app_date] => 1997-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3865 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 435 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/823/05823254.pdf [firstpage_image] =>[orig_patent_app_number] => 936480 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/936480
Well completion tool Sep 17, 1997 Issued
Array ( [id] => 3917046 [patent_doc_number] => 05938288 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns' [patent_app_type] => 1 [patent_app_number] => 8/849876 [patent_app_country] => US [patent_app_date] => 1997-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4241 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/938/05938288.pdf [firstpage_image] =>[orig_patent_app_number] => 849876 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/849876
Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns Sep 4, 1997 Issued
Array ( [id] => 4036594 [patent_doc_number] => 05931540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Drive system having a pin drive chain for a cutting machine for underground mining' [patent_app_type] => 1 [patent_app_number] => 8/906510 [patent_app_country] => US [patent_app_date] => 1997-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3204 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/931/05931540.pdf [firstpage_image] =>[orig_patent_app_number] => 906510 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/906510
Drive system having a pin drive chain for a cutting machine for underground mining Aug 4, 1997 Issued
Array ( [id] => 3947858 [patent_doc_number] => 05884715 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Method and apparatus for injecting drilling waste into a well while drilling' [patent_app_type] => 1 [patent_app_number] => 8/904797 [patent_app_country] => US [patent_app_date] => 1997-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1427 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/884/05884715.pdf [firstpage_image] =>[orig_patent_app_number] => 904797 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/904797
Method and apparatus for injecting drilling waste into a well while drilling Jul 31, 1997 Issued
Array ( [id] => 3967151 [patent_doc_number] => 05904408 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'Rotary cutter and mounting arrangement for cutting tools' [patent_app_type] => 1 [patent_app_number] => 8/899973 [patent_app_country] => US [patent_app_date] => 1997-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2045 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/904/05904408.pdf [firstpage_image] =>[orig_patent_app_number] => 899973 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/899973
Rotary cutter and mounting arrangement for cutting tools Jul 23, 1997 Issued
Array ( [id] => 3912119 [patent_doc_number] => 05937953 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Soil sampling tool with unique vent-and-seal features and related method' [patent_app_type] => 1 [patent_app_number] => 8/898506 [patent_app_country] => US [patent_app_date] => 1997-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 23 [patent_no_of_words] => 6996 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937953.pdf [firstpage_image] =>[orig_patent_app_number] => 898506 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/898506
Soil sampling tool with unique vent-and-seal features and related method Jul 21, 1997 Issued
Array ( [id] => 3962509 [patent_doc_number] => 05957539 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Process for excavating a cavity in a thin salt layer' [patent_app_type] => 1 [patent_app_number] => 8/895983 [patent_app_country] => US [patent_app_date] => 1997-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2433 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/957/05957539.pdf [firstpage_image] =>[orig_patent_app_number] => 895983 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/895983
Process for excavating a cavity in a thin salt layer Jul 16, 1997 Issued
Array ( [id] => 3968287 [patent_doc_number] => 05984028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Converted dual-acting hydraulic drilling jar' [patent_app_type] => 1 [patent_app_number] => 8/893207 [patent_app_country] => US [patent_app_date] => 1997-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3526 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/984/05984028.pdf [firstpage_image] =>[orig_patent_app_number] => 893207 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/893207
Converted dual-acting hydraulic drilling jar Jul 14, 1997 Issued
Array ( [id] => 3884094 [patent_doc_number] => 05893611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-13 [patent_title] => 'Roofing removal apparatus' [patent_app_type] => 1 [patent_app_number] => 8/892556 [patent_app_country] => US [patent_app_date] => 1997-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1937 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/893/05893611.pdf [firstpage_image] =>[orig_patent_app_number] => 892556 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/892556
Roofing removal apparatus Jul 13, 1997 Issued
Array ( [id] => 3955692 [patent_doc_number] => 05947199 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Method of monitoring a mineral reservoir' [patent_app_type] => 1 [patent_app_number] => 8/889698 [patent_app_country] => US [patent_app_date] => 1997-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 3405 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/947/05947199.pdf [firstpage_image] =>[orig_patent_app_number] => 889698 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/889698
Method of monitoring a mineral reservoir Jul 7, 1997 Issued
Array ( [id] => 3981170 [patent_doc_number] => 05921632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Method and apparatus for extending the cutter drum of a boring machine' [patent_app_type] => 1 [patent_app_number] => 8/887069 [patent_app_country] => US [patent_app_date] => 1997-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 8292 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/921/05921632.pdf [firstpage_image] =>[orig_patent_app_number] => 887069 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/887069
Method and apparatus for extending the cutter drum of a boring machine Jul 1, 1997 Issued
Array ( [id] => 4031144 [patent_doc_number] => 05911284 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-15 [patent_title] => 'Downhole mud motor' [patent_app_type] => 1 [patent_app_number] => 8/885377 [patent_app_country] => US [patent_app_date] => 1997-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2286 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/911/05911284.pdf [firstpage_image] =>[orig_patent_app_number] => 885377 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/885377
Downhole mud motor Jun 29, 1997 Issued
Array ( [id] => 3754377 [patent_doc_number] => 05848642 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-15 [patent_title] => 'Device for coil tubing operations' [patent_app_type] => 1 [patent_app_number] => 8/809906 [patent_app_country] => US [patent_app_date] => 1997-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1300 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/848/05848642.pdf [firstpage_image] =>[orig_patent_app_number] => 809906 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/809906
Device for coil tubing operations Jun 17, 1997 Issued
Array ( [id] => 3938332 [patent_doc_number] => 05934761 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Boring machine having hydrostatic bearings' [patent_app_type] => 1 [patent_app_number] => 8/874337 [patent_app_country] => US [patent_app_date] => 1997-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 957 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/934/05934761.pdf [firstpage_image] =>[orig_patent_app_number] => 874337 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/874337
Boring machine having hydrostatic bearings Jun 12, 1997 Issued
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