Search

Robert R. Koehler

Examiner (ID: 149)

Most Active Art Unit
1775
Art Unit(s)
1742, 1775, 1734
Total Applications
589
Issued Applications
522
Pending Applications
29
Abandoned Applications
38

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14073501 [patent_doc_number] => 20190085638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => DOUBLE HEAD DRILLING DEVICE AND METHOD FOR PRODUCING A BORE [patent_app_type] => utility [patent_app_number] => 16/112428 [patent_app_country] => US [patent_app_date] => 2018-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16112428 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/112428
Double head drilling device and method for producing a bore Aug 23, 2018 Issued
Array ( [id] => 16583430 [patent_doc_number] => 20210017832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => METHOD FOR KILLING OIL AND GAS WELLS [patent_app_type] => utility [patent_app_number] => 16/639601 [patent_app_country] => US [patent_app_date] => 2018-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16639601 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/639601
Method for killing oil and gas wells Aug 22, 2018 Issued
Array ( [id] => 13958925 [patent_doc_number] => 20190055806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => HEAT SOURCES AND ALLOYS FOR USE IN DOWN-HOLE APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/104923 [patent_app_country] => US [patent_app_date] => 2018-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16104923 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/104923
Heat sources and alloys for use in down-hole applications Aug 18, 2018 Issued
Array ( [id] => 13577703 [patent_doc_number] => 20180340400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => SYSTEM AND METHOD FOR ROTATING CASING STRING [patent_app_type] => utility [patent_app_number] => 16/057185 [patent_app_country] => US [patent_app_date] => 2018-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16057185 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/057185
SYSTEM AND METHOD FOR ROTATING CASING STRING Aug 6, 2018 Abandoned
Array ( [id] => 17876033 [patent_doc_number] => 11448037 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Downhole apparatus and method for delivering settable material [patent_app_type] => utility [patent_app_number] => 16/634546 [patent_app_country] => US [patent_app_date] => 2018-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 14190 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16634546 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/634546
Downhole apparatus and method for delivering settable material Jul 31, 2018 Issued
Array ( [id] => 17275147 [patent_doc_number] => 20210381345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => INFLOW CONTROL DEVICE BYPASS AND BYPASS ISOLATION SYSTEM FOR GRAVEL PACKING WITH SHUNTED SAND CONTROL SCREENS [patent_app_type] => utility [patent_app_number] => 16/323764 [patent_app_country] => US [patent_app_date] => 2018-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5944 [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] => 16323764 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/323764
Inflow control device bypass and bypass isolation system for gravel packing with shunted sand control screens Jul 30, 2018 Issued
Array ( [id] => 13566129 [patent_doc_number] => 20180334612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => ENHANCING ACID FRACTURE CONDUCTIVITY [patent_app_type] => utility [patent_app_number] => 16/049565 [patent_app_country] => US [patent_app_date] => 2018-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16049565 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/049565
Enhancing acid fracture conductivity Jul 29, 2018 Issued
Array ( [id] => 16492552 [patent_doc_number] => 10858578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => Enhancing acid fracture conductivity [patent_app_type] => utility [patent_app_number] => 16/049538 [patent_app_country] => US [patent_app_date] => 2018-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7258 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16049538 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/049538
Enhancing acid fracture conductivity Jul 29, 2018 Issued
Array ( [id] => 16549893 [patent_doc_number] => 10883042 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Enhancing acid fracture conductivity [patent_app_type] => utility [patent_app_number] => 16/049586 [patent_app_country] => US [patent_app_date] => 2018-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7235 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16049586 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/049586
Enhancing acid fracture conductivity Jul 29, 2018 Issued
Array ( [id] => 16855489 [patent_doc_number] => 20210156234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => INFLOW CONTROL DEVICE WITH DISSOLVABLE PLUGS [patent_app_type] => utility [patent_app_number] => 16/470125 [patent_app_country] => US [patent_app_date] => 2018-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16470125 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/470125
Inflow control device with dissolvable plugs Jul 29, 2018 Issued
Array ( [id] => 16445043 [patent_doc_number] => 10836956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-17 [patent_title] => Enhancing acid fracture conductivity [patent_app_type] => utility [patent_app_number] => 16/049648 [patent_app_country] => US [patent_app_date] => 2018-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7258 [patent_no_of_claims] => 23 [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] =>[firstpage_image] =>[orig_patent_app_number] => 16049648 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/049648
Enhancing acid fracture conductivity Jul 29, 2018 Issued
Array ( [id] => 16665565 [patent_doc_number] => 10934802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-02 [patent_title] => Plug arrangement comprising a disintegratable plug element [patent_app_type] => utility [patent_app_number] => 16/035228 [patent_app_country] => US [patent_app_date] => 2018-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 6763 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16035228 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/035228
Plug arrangement comprising a disintegratable plug element Jul 12, 2018 Issued
Array ( [id] => 14277661 [patent_doc_number] => 20190136115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => TUNABLE CONTROL OF POZZOLAN-LIME CEMENT COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 16/033907 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16033907 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/033907
Tunable control of pozzolan-lime cement compositions Jul 11, 2018 Issued
Array ( [id] => 16712602 [patent_doc_number] => 20210079749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => A TOOL AND METHOD FOR CUTTING THE CASING OF A BORE HOLE [patent_app_type] => utility [patent_app_number] => 16/630707 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16630707 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/630707
Tool and method for cutting the casing of a bore hole Jul 11, 2018 Issued
Array ( [id] => 13508957 [patent_doc_number] => 20180306021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => SYSTEM, INSTALLATION AND NETWORK FOR RECOVERY OF GAS TRAPPED BY FLUID AND PARTICULATE MATTER IN A GAS OR OIL WELL [patent_app_type] => utility [patent_app_number] => 16/022985 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16022985 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/022985
System, installation and network for recovery of gas trapped by fluid and particulate matter in a gas or oil well Jun 28, 2018 Issued
Array ( [id] => 16415042 [patent_doc_number] => 10822921 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-03 [patent_title] => Methods of using superabsorbent polymers for fracturing and sand control applications [patent_app_type] => utility [patent_app_number] => 16/019817 [patent_app_country] => US [patent_app_date] => 2018-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7816 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16019817 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/019817
Methods of using superabsorbent polymers for fracturing and sand control applications Jun 26, 2018 Issued
Array ( [id] => 17681386 [patent_doc_number] => 11365627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => Methods for predicting properties of clean formation fluid using real time downhole fluid analysis of contaminated samples [patent_app_type] => utility [patent_app_number] => 16/336172 [patent_app_country] => US [patent_app_date] => 2018-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10383 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16336172 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/336172
Methods for predicting properties of clean formation fluid using real time downhole fluid analysis of contaminated samples Jun 26, 2018 Issued
Array ( [id] => 14869337 [patent_doc_number] => 20190284910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-19 [patent_title] => SYSTEMS AND METHODS FOR OPTIMIZING PRODUCTION OF UNCONVENTIONAL HORIZONTAL WELLS [patent_app_type] => utility [patent_app_number] => 16/017613 [patent_app_country] => US [patent_app_date] => 2018-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16017613 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/017613
Systems and methods for optimizing production of unconventional horizontal wells Jun 24, 2018 Issued
Array ( [id] => 16199199 [patent_doc_number] => 10724352 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => Pressure pulses for acid stimulation enhancement and optimization [patent_app_type] => utility [patent_app_number] => 16/015434 [patent_app_country] => US [patent_app_date] => 2018-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3117 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16015434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/015434
Pressure pulses for acid stimulation enhancement and optimization Jun 21, 2018 Issued
Array ( [id] => 14278761 [patent_doc_number] => 20190136665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => DOWNHOLE SUB WITH HYDRAULICALLY ACTUABLE SLEEVE VALVE [patent_app_type] => utility [patent_app_number] => 16/014926 [patent_app_country] => US [patent_app_date] => 2018-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12875 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16014926 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/014926
Downhole sub with hydraulically actuable sleeve valve Jun 20, 2018 Issued
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