Search

Mark Cavanna

Examiner (ID: 8994, Phone: (571)272-2579 , Office: P/2915 )

Most Active Art Unit
2914
Art Unit(s)
2915, 2914
Total Applications
2207
Issued Applications
2173
Pending Applications
0
Abandoned Applications
33

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1327824 [patent_doc_number] => 06588501 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-08 [patent_title] => 'Method and apparatus to reduce hydrostatic pressure in sub sea risers using buoyant spheres' [patent_app_type] => B1 [patent_app_number] => 10/259550 [patent_app_country] => US [patent_app_date] => 2002-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3715 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/588/06588501.pdf [firstpage_image] =>[orig_patent_app_number] => 10259550 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/259550
Method and apparatus to reduce hydrostatic pressure in sub sea risers using buoyant spheres Sep 26, 2002 Issued
Array ( [id] => 6733091 [patent_doc_number] => 20030010726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-16 [patent_title] => 'Water well filter device and method of filtering air that enters into a water well' [patent_app_type] => new [patent_app_number] => 10/171528 [patent_app_country] => US [patent_app_date] => 2002-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2774 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0010/20030010726.pdf [firstpage_image] =>[orig_patent_app_number] => 10171528 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/171528
Water well filter device and method of filtering air that enters into a water well Jun 11, 2002 Issued
Array ( [id] => 1325206 [patent_doc_number] => 06591905 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-07-15 [patent_title] => 'Orienting whipstock seat, and method for seating a whipstock' [patent_app_type] => B2 [patent_app_number] => 09/938168 [patent_app_country] => US [patent_app_date] => 2001-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4753 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/591/06591905.pdf [firstpage_image] =>[orig_patent_app_number] => 09938168 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/938168
Orienting whipstock seat, and method for seating a whipstock Aug 22, 2001 Issued
Array ( [id] => 5870200 [patent_doc_number] => 20020046835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-25 [patent_title] => 'Formation testing while drilling apparatus with axially and spirally mounted ports' [patent_app_type] => new [patent_app_number] => 09/930618 [patent_app_country] => US [patent_app_date] => 2001-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5761 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0046/20020046835.pdf [firstpage_image] =>[orig_patent_app_number] => 09930618 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/930618
Formation testing while drilling apparatus with axially and spirally mounted ports Aug 14, 2001 Issued
Array ( [id] => 1325415 [patent_doc_number] => 06591922 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-15 [patent_title] => 'Pantograph underreamer and method for forming a well bore cavity' [patent_app_type] => B1 [patent_app_number] => 09/929568 [patent_app_country] => US [patent_app_date] => 2001-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2620 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/591/06591922.pdf [firstpage_image] =>[orig_patent_app_number] => 09929568 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/929568
Pantograph underreamer and method for forming a well bore cavity Aug 12, 2001 Issued
Array ( [id] => 1349671 [patent_doc_number] => 06564874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-05-20 [patent_title] => 'Technique for facilitating the pumping of fluids by lowering fluid viscosity' [patent_app_type] => B2 [patent_app_number] => 09/903240 [patent_app_country] => US [patent_app_date] => 2001-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2308 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/564/06564874.pdf [firstpage_image] =>[orig_patent_app_number] => 09903240 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/903240
Technique for facilitating the pumping of fluids by lowering fluid viscosity Jul 10, 2001 Issued
Array ( [id] => 5885278 [patent_doc_number] => 20020011339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-31 [patent_title] => 'Through-tubing multilateral system' [patent_app_type] => new [patent_app_number] => 09/898794 [patent_app_country] => US [patent_app_date] => 2001-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1862 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0011/20020011339.pdf [firstpage_image] =>[orig_patent_app_number] => 09898794 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/898794
Expandable tubing joint and through-tubing multilateral completion method Jul 2, 2001 Issued
Array ( [id] => 6752923 [patent_doc_number] => 20030000699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-02 [patent_title] => 'APPARATUS AND METHOD FOR GRAVEL PACKING AN INTERVAL OF A WELLBORE' [patent_app_type] => new [patent_app_number] => 09/893761 [patent_app_country] => US [patent_app_date] => 2001-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6458 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0000/20030000699.pdf [firstpage_image] =>[orig_patent_app_number] => 09893761 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/893761
Apparatus and method for gravel packing an interval of a wellbore Jun 26, 2001 Issued
Array ( [id] => 6091211 [patent_doc_number] => 20020050359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-02 [patent_title] => 'Drilling method' [patent_app_type] => new [patent_app_number] => 09/891115 [patent_app_country] => US [patent_app_date] => 2001-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1418 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20020050359.pdf [firstpage_image] =>[orig_patent_app_number] => 09891115 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/891115
Drilling method and measurement-while-drilling apparatus and shock tool Jun 24, 2001 Issued
Array ( [id] => 1333304 [patent_doc_number] => 06581698 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-24 [patent_title] => 'Drilling device and method for drilling a well' [patent_app_type] => B1 [patent_app_number] => 09/763305 [patent_app_country] => US [patent_app_date] => 2001-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7267 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/581/06581698.pdf [firstpage_image] =>[orig_patent_app_number] => 09763305 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/763305
Drilling device and method for drilling a well May 20, 2001 Issued
Array ( [id] => 6379602 [patent_doc_number] => 20020179302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-05 [patent_title] => 'Method of controlling proppant flowback in a well' [patent_app_type] => new [patent_app_number] => 09/860206 [patent_app_country] => US [patent_app_date] => 2001-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3400 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20020179302.pdf [firstpage_image] =>[orig_patent_app_number] => 09860206 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/860206
Method of controlling proppant flowback in a well May 17, 2001 Issued
Array ( [id] => 1392273 [patent_doc_number] => 06520263 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-18 [patent_title] => 'Retaining apparatus for use in a wellhead assembly and method for using the same' [patent_app_type] => B2 [patent_app_number] => 09/861426 [patent_app_country] => US [patent_app_date] => 2001-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5481 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/520/06520263.pdf [firstpage_image] =>[orig_patent_app_number] => 09861426 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/861426
Retaining apparatus for use in a wellhead assembly and method for using the same May 17, 2001 Issued
Array ( [id] => 1377881 [patent_doc_number] => 06533045 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Portable drilling rig' [patent_app_type] => B1 [patent_app_number] => 09/847269 [patent_app_country] => US [patent_app_date] => 2001-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 23 [patent_no_of_words] => 5912 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/533/06533045.pdf [firstpage_image] =>[orig_patent_app_number] => 09847269 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/847269
Portable drilling rig May 1, 2001 Issued
Array ( [id] => 1327831 [patent_doc_number] => 06588502 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-07-08 [patent_title] => 'Well pressure activated pack-off head' [patent_app_type] => B2 [patent_app_number] => 09/841671 [patent_app_country] => US [patent_app_date] => 2001-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4075 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/588/06588502.pdf [firstpage_image] =>[orig_patent_app_number] => 09841671 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/841671
Well pressure activated pack-off head Apr 23, 2001 Issued
Array ( [id] => 1392122 [patent_doc_number] => 06520256 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-18 [patent_title] => 'Method and apparatus for cementing an air drilled well' [patent_app_type] => B2 [patent_app_number] => 09/839521 [patent_app_country] => US [patent_app_date] => 2001-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3140 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/520/06520256.pdf [firstpage_image] =>[orig_patent_app_number] => 09839521 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/839521
Method and apparatus for cementing an air drilled well Apr 19, 2001 Issued
Array ( [id] => 1388034 [patent_doc_number] => 06523612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-25 [patent_title] => 'Method and apparatus for cleaning wellbore casing' [patent_app_type] => B2 [patent_app_number] => 09/824319 [patent_app_country] => US [patent_app_date] => 2001-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3106 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/523/06523612.pdf [firstpage_image] =>[orig_patent_app_number] => 09824319 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/824319
Method and apparatus for cleaning wellbore casing Apr 1, 2001 Issued
Array ( [id] => 5900013 [patent_doc_number] => 20020139582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-03 [patent_title] => 'Starter rod for use in back reaming' [patent_app_type] => new [patent_app_number] => 09/824369 [patent_app_country] => US [patent_app_date] => 2001-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2298 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0139/20020139582.pdf [firstpage_image] =>[orig_patent_app_number] => 09824369 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/824369
Starter rod for use in back reaming Apr 1, 2001 Abandoned
09/743779 Drill string retrieving apparatus Mar 1, 2001 Abandoned
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