Search

Michael A Friedhofer

Examiner (ID: 5619)

Most Active Art Unit
2832
Art Unit(s)
2109, 2112, 3621, 2832, 2833, 2104
Total Applications
2288
Issued Applications
2035
Pending Applications
50
Abandoned Applications
203

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16794257 [patent_doc_number] => 20210124074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => LONG-OFFSET ACQUISITION WITH IMPROVED LOW FREQUENCY PERFORMANCE FOR FULL WAVEFIELD INVERSION [patent_app_type] => utility [patent_app_number] => 17/065155 [patent_app_country] => US [patent_app_date] => 2020-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17065155 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/065155
LONG-OFFSET ACQUISITION WITH IMPROVED LOW FREQUENCY PERFORMANCE FOR FULL WAVEFIELD INVERSION Oct 6, 2020 Pending
Array ( [id] => 17016407 [patent_doc_number] => 11086040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Time-reversed nonlinear acoustics for wellbore integrity characterization [patent_app_type] => utility [patent_app_number] => 17/031211 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 32 [patent_no_of_words] => 10808 [patent_no_of_claims] => 16 [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] => 17031211 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/031211
Time-reversed nonlinear acoustics for wellbore integrity characterization Sep 23, 2020 Issued
Array ( [id] => 16558581 [patent_doc_number] => 20210003730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => METHOD AND APPARATUS FOR DYNAMIC ROLL COMPENSATION OF STREAMER FOR MARINE GEOPHYSICAL SURVEYING [patent_app_type] => utility [patent_app_number] => 17/029865 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17029865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/029865
Method and apparatus for dynamic roll compensation of streamer for marine geophysical surveying Sep 22, 2020 Issued
Array ( [id] => 19182206 [patent_doc_number] => 11988791 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Sparse seismic data acquisition [patent_app_type] => utility [patent_app_number] => 16/891817 [patent_app_country] => US [patent_app_date] => 2020-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 8178 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16891817 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/891817
Sparse seismic data acquisition Jun 2, 2020 Issued
Array ( [id] => 16794256 [patent_doc_number] => 20210124073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => MODIFIED SIMULTANEOUS LONG-OFFSET ACQUISITION WITH IMPROVED LOW FREQUENCY PERFORMANCE FOR FULL WAVEFIELD INVERSION [patent_app_type] => utility [patent_app_number] => 16/881992 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16881992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/881992
MODIFIED SIMULTANEOUS LONG-OFFSET ACQUISITION WITH IMPROVED LOW FREQUENCY PERFORMANCE FOR FULL WAVEFIELD INVERSION May 21, 2020 Pending
Array ( [id] => 16313033 [patent_doc_number] => 20200291771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => COMPRESSING ULTRASOUND DATA IN A DOWNHOLE TOOL [patent_app_type] => utility [patent_app_number] => 16/817215 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3850 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16817215 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817215
Compressing ultrasound data in a downhole tool Mar 11, 2020 Issued
Array ( [id] => 16993401 [patent_doc_number] => 20210231821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => APPARATUS FOR SIMULTANEOUS LOGGING FOR MULTIPOLE SONIC AND ACOUSTIC REFLECTION SURVEY [patent_app_type] => utility [patent_app_number] => 16/775045 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7034 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16775045 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/775045
APPARATUS FOR SIMULTANEOUS LOGGING FOR MULTIPOLE SONIC AND ACOUSTIC REFLECTION SURVEY Jan 27, 2020 Abandoned
Array ( [id] => 15934535 [patent_doc_number] => 20200158901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => QUALITY CONTROL AND PRECONDITIONING OF SEISMIC DATA [patent_app_type] => utility [patent_app_number] => 16/773224 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16773224 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/773224
Quality control and preconditioning of seismic data Jan 26, 2020 Issued
Array ( [id] => 16917892 [patent_doc_number] => 20210190984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Attenuation of Guided Waves Using Polarization Filtering [patent_app_type] => utility [patent_app_number] => 16/725664 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16725664 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/725664
Attenuation of guided waves using polarization filtering Dec 22, 2019 Issued
Array ( [id] => 16542530 [patent_doc_number] => 20200408945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => TARGETED ACTIVATION PARAMETERS FOR MARINE SEISMIC SOURCES [patent_app_type] => utility [patent_app_number] => 16/656288 [patent_app_country] => US [patent_app_date] => 2019-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7228 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16656288 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/656288
Targeted activation parameters for marine seismic sources Oct 16, 2019 Issued
Array ( [id] => 16787404 [patent_doc_number] => 10989827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Seismic node deployment system [patent_app_type] => utility [patent_app_number] => 16/571886 [patent_app_country] => US [patent_app_date] => 2019-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 13649 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16571886 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/571886
Seismic node deployment system Sep 15, 2019 Issued
Array ( [id] => 18719364 [patent_doc_number] => 11796703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Method and system for downhole object location and orientation determination [patent_app_type] => utility [patent_app_number] => 16/561631 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 10683 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16561631 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/561631
Method and system for downhole object location and orientation determination Sep 4, 2019 Issued
Array ( [id] => 15591003 [patent_doc_number] => 20200072036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => CEMENT BONDING EVALUATION WITH A SONIC-LOGGING-WHILE-DRILLING TOOL [patent_app_type] => utility [patent_app_number] => 16/557255 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7228 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16557255 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/557255
Cement bonding evaluation with a sonic-logging-while-drilling tool Aug 29, 2019 Issued
Array ( [id] => 18316149 [patent_doc_number] => 11630225 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Simultaneous seismic refraction and tomography [patent_app_type] => utility [patent_app_number] => 16/547919 [patent_app_country] => US [patent_app_date] => 2019-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4201 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16547919 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/547919
Simultaneous seismic refraction and tomography Aug 21, 2019 Issued
Array ( [id] => 17999011 [patent_doc_number] => 11500113 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Spectral noise separation and cancellation from distributed acoustic sensing acoustic data [patent_app_type] => utility [patent_app_number] => 16/547143 [patent_app_country] => US [patent_app_date] => 2019-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 6221 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16547143 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/547143
Spectral noise separation and cancellation from distributed acoustic sensing acoustic data Aug 20, 2019 Issued
Array ( [id] => 15592933 [patent_doc_number] => 20200073001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => SEPARATION OF BLENDED MARINE SEISMIC SURVEY DATA ACQUIRED WITH SIMULTANEOUS MULTI-SOURCE ACTUATION [patent_app_type] => utility [patent_app_number] => 16/533173 [patent_app_country] => US [patent_app_date] => 2019-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16533173 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/533173
Separation of blended marine seismic survey data acquired with simultaneous multi-source actuation Aug 5, 2019 Issued
Array ( [id] => 18965395 [patent_doc_number] => 11899152 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Acoustic ranging apparatus and methods [patent_app_type] => utility [patent_app_number] => 16/516999 [patent_app_country] => US [patent_app_date] => 2019-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 8270 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16516999 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/516999
Acoustic ranging apparatus and methods Jul 18, 2019 Issued
Array ( [id] => 17316182 [patent_doc_number] => 20210405231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => DE-SPIKING DISTRIBUTED ACOUSTIC SENSOR SEISMIC PROFILE [patent_app_type] => utility [patent_app_number] => 16/649802 [patent_app_country] => US [patent_app_date] => 2019-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7741 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16649802 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/649802
De-spiking distributed acoustic sensor seismic profile May 22, 2019 Issued
Array ( [id] => 14749579 [patent_doc_number] => 20190257963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => METHODS AND APPARATUS FOR CONFIRMATION TIME BREAK (CTB) DETERMINATION AND SHOTPOINT IN-SITU RECORDING IN SEISMIC ELECTRONIC DETONATORS [patent_app_type] => utility [patent_app_number] => 16/397456 [patent_app_country] => US [patent_app_date] => 2019-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16397456 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/397456
METHODS AND APPARATUS FOR CONFIRMATION TIME BREAK (CTB) DETERMINATION AND SHOTPOINT IN-SITU RECORDING IN SEISMIC ELECTRONIC DETONATORS Apr 28, 2019 Abandoned
Array ( [id] => 18576897 [patent_doc_number] => 11733418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => P/S wave measurement and compensation [patent_app_type] => utility [patent_app_number] => 16/393681 [patent_app_country] => US [patent_app_date] => 2019-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 16 [patent_no_of_words] => 10393 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16393681 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/393681
P/S wave measurement and compensation Apr 23, 2019 Issued
Menu