
Lawrence E. Crane
Examiner (ID: 7282, Phone: (571)272-0651 , Office: P/1673 )
| Most Active Art Unit | 1623 |
| Art Unit(s) | 1609, 1211, 1621, 1673, 1802, 1623, 1803, 1203 |
| Total Applications | 1975 |
| Issued Applications | 1276 |
| Pending Applications | 96 |
| Abandoned Applications | 610 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
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[patent_title] => DRILLING TOOL CHANGER DEVICE AND A METHOD FOR MAKING THE CHANGE
[patent_app_type] => utility
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Array
(
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[patent_issue_date] => 2026-05-21
[patent_title] => WELLBORE TUBULAR STRING HAVING THREADED CONNECTIONS
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[patent_app_date] => 2025-11-14
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Array
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[patent_kind] => A1
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[patent_title] => DOWNHOLE SETTING TOOL WITH EXHAUST DIFFUSER
[patent_app_type] => utility
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[patent_app_date] => 2025-08-15
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Array
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[patent_title] => INSULATED COILED TUBING FOR PULSED POWER DRILLING
[patent_app_type] => utility
[patent_app_number] => 19/300148
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[patent_app_date] => 2025-08-14
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Array
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[patent_title] => FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS
[patent_app_type] => utility
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Array
(
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[patent_kind] => A1
[patent_issue_date] => 2026-02-05
[patent_title] => FIXED CUTTER DRILL BITS INCLUDING CUTTER ELEMENTS WITH VARIABLE EXPOSURES
[patent_app_type] => utility
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Array
(
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[patent_doc_number] => 20250334040
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[patent_kind] => A1
[patent_issue_date] => 2025-10-30
[patent_title] => PACK OFF INDICATOR FOR A WELLBORE OPERATION
[patent_app_type] => utility
[patent_app_number] => 19/261569
[patent_app_country] => US
[patent_app_date] => 2025-07-07
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[rel_patent_id] =>[rel_patent_doc_number] =>) 19/261569 | Pack off indicator for a wellbore operation | Jul 6, 2025 | Issued |
Array
(
[id] => 20288892
[patent_doc_number] => 20250314135
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-10-09
[patent_title] => TANDEM SEAL ADAPTER FOR PERFORATING GUNS
[patent_app_type] => utility
[patent_app_number] => 19/244909
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[patent_app_date] => 2025-06-20
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 19/244909 | TANDEM SEAL ADAPTER FOR PERFORATING GUNS | Jun 19, 2025 | Pending |
| 19/140181 | DRILL STRING ROTATION NORMALIZING DEVICE AND METHODS OF USING SAME | Jun 16, 2025 | Pending |
| 19/134714 | LOGGING TOOLS THAT INCLUDE A DISTRIBUTED TENSOR RESISTIVITY LOGGING SYSTEM AND PROCESSES FOR ASSEMBLING AND USING SAME | May 30, 2025 | Pending |
Array
(
[id] => 20579033
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[patent_title] => Isolation sleeve
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[rel_patent_id] =>[rel_patent_doc_number] =>) 19/222269 | Isolation sleeve | May 28, 2025 | Issued |
| 19/131257 | FULLY SEALED DOWN THE HOLE HAMMER | May 19, 2025 | Pending |
Array
(
[id] => 20337032
[patent_doc_number] => 20250341152
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[patent_title] => NOVEL PERFORATING TOOL WITH DYNAMIC UNDERBALANCE MITIGATION AND RELATED METHODS
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Array
(
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Array
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Array
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Array
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Array
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Array
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Array
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