
Keith D. Walker
Supervisory Patent Examiner (ID: 7518, Phone: (571)272-3458 , Office: P/1735 )
| Most Active Art Unit | 1735 |
| Art Unit(s) | 1726, 1745, 1795, 1735 |
| Total Applications | 565 |
| Issued Applications | 152 |
| Pending Applications | 54 |
| Abandoned Applications | 362 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 18323079
[patent_doc_number] => 20230121207
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-04-20
[patent_title] => HERMETIC ELECTRIC COMPRESSOR
[patent_app_type] => utility
[patent_app_number] => 17/907041
[patent_app_country] => US
[patent_app_date] => 2021-06-18
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/907041 | Hermetic electric compressor | Jun 17, 2021 | Issued |
Array
(
[id] => 18709966
[patent_doc_number] => 20230332588
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[patent_kind] => A1
[patent_issue_date] => 2023-10-19
[patent_title] => LINEAR COMPRESSOR
[patent_app_type] => utility
[patent_app_number] => 18/011431
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Array
(
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[patent_issue_date] => 2025-09-30
[patent_title] => Linear compressor
[patent_app_type] => utility
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Array
(
[id] => 17429188
[patent_doc_number] => 20220056897
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[patent_kind] => A1
[patent_issue_date] => 2022-02-24
[patent_title] => HERMETIC COMPRESSOR
[patent_app_type] => utility
[patent_app_number] => 17/335332
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/335332 | Hermetic compressor | May 31, 2021 | Issued |
Array
(
[id] => 17244238
[patent_doc_number] => 20210363981
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[patent_issue_date] => 2021-11-25
[patent_title] => Noise Reduction Device of Air Compressor
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Array
(
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Array
(
[id] => 17053022
[patent_doc_number] => 20210262456
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[patent_issue_date] => 2021-08-26
[patent_title] => MECHANICALLY DRIVEN MODULAR DIAPHRAGM PUMP
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/314736 | Mechanically driven modular diaphragm pump | May 6, 2021 | Issued |
Array
(
[id] => 18583585
[patent_doc_number] => 20230265846
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[patent_kind] => A1
[patent_issue_date] => 2023-08-24
[patent_title] => STATE DETECTION ON ECCENTRIC SCREW PUMPS
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/921483 | STATE DETECTION ON ECCENTRIC SCREW PUMPS | Apr 26, 2021 | Pending |
Array
(
[id] => 18748955
[patent_doc_number] => 11808257
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[patent_kind] => B2
[patent_issue_date] => 2023-11-07
[patent_title] => Cordless compressor
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Array
(
[id] => 16992704
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[patent_title] => BRACKETLESS MAGNETIC PUMP
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/227864 | Bracketless magnetic pump | Apr 11, 2021 | Issued |
Array
(
[id] => 16963649
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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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Array
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Array
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