Search

Keith D. Hendricks

Supervisory Patent Examiner (ID: 2474, Phone: (571)272-1401 , Office: P/1756 )

Most Active Art Unit
1761
Art Unit(s)
1652, 1804, 1794, 1814, 1761, 2899, 1649, 1733, 1781, 1756
Total Applications
1067
Issued Applications
616
Pending Applications
143
Abandoned Applications
314

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15409737 [patent_doc_number] => 20200025190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => TUBING RETENTION MECHANISM USABLE WITH A PERISTALTIC PUMP [patent_app_type] => utility [patent_app_number] => 16/517434 [patent_app_country] => US [patent_app_date] => 2019-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3567 [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] => 16517434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/517434
Tubing retention mechanism usable with a peristaltic pump Jul 18, 2019 Issued
Array ( [id] => 19594777 [patent_doc_number] => 12152608 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Pumping system [patent_app_type] => utility [patent_app_number] => 17/259919 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 14605 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17259919 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/259919
Pumping system Jul 11, 2019 Issued
Array ( [id] => 16576071 [patent_doc_number] => 20210010472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => Compressor Having Capacity Modulation [patent_app_type] => utility [patent_app_number] => 16/508894 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508894 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508894
Compressor having capacity modulation Jul 10, 2019 Issued
Array ( [id] => 19871815 [patent_doc_number] => 12264665 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Miniature piezoelectric air pump to generate pulsation-free air flow for pipette apparatus proximity sensing [patent_app_type] => utility [patent_app_number] => 17/251767 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 6084 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17251767 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/251767
Miniature piezoelectric air pump to generate pulsation-free air flow for pipette apparatus proximity sensing Jun 30, 2019 Issued
Array ( [id] => 15325751 [patent_doc_number] => 20200003205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => FRACTURING PUMP SYSTEMS HAVING A HYDRAULICALLY-DRIVEN ASSEMBLY APPLYING VARIABLE AMOUNTS OF PRESSURE ON PACKING [patent_app_type] => utility [patent_app_number] => 16/454670 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16454670 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/454670
FRACTURING PUMP SYSTEMS HAVING A HYDRAULICALLY-DRIVEN ASSEMBLY APPLYING VARIABLE AMOUNTS OF PRESSURE ON PACKING Jun 26, 2019 Abandoned
Array ( [id] => 15325781 [patent_doc_number] => 20200003220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => UNLOADING SYSTEM FOR VARIABLE SPEED COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/454572 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16454572 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/454572
Unloading system for variable speed compressor Jun 26, 2019 Issued
Array ( [id] => 17068055 [patent_doc_number] => 20210270270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => DUAL OR MULTI-SHAFT VACUUM PUMP [patent_app_type] => utility [patent_app_number] => 17/256449 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17256449 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/256449
DUAL OR MULTI-SHAFT VACUUM PUMP Jun 24, 2019 Abandoned
Array ( [id] => 19717953 [patent_doc_number] => 12203482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Nozzle for a fan assembly [patent_app_type] => utility [patent_app_number] => 17/254715 [patent_app_country] => US [patent_app_date] => 2019-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 14190 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17254715 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/254715
Nozzle for a fan assembly Jun 18, 2019 Issued
Array ( [id] => 16985996 [patent_doc_number] => 11073158 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-27 [patent_title] => Centrifugal impeller assembly unit [patent_app_type] => utility [patent_app_number] => 16/443301 [patent_app_country] => US [patent_app_date] => 2019-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3301 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16443301 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/443301
Centrifugal impeller assembly unit Jun 16, 2019 Issued
Array ( [id] => 17112642 [patent_doc_number] => 20210293239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => Compressor and Monitoring System [patent_app_type] => utility [patent_app_number] => 17/257721 [patent_app_country] => US [patent_app_date] => 2019-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17257721 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/257721
Compressor and monitoring system Jun 3, 2019 Issued
Array ( [id] => 16855629 [patent_doc_number] => 20210156374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => OIL DETECTING DEVICE FOR COMPRESSOR AND COMPRESSOR INCLUDING OIL DETECTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/059411 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17059411 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/059411
OIL DETECTING DEVICE FOR COMPRESSOR AND COMPRESSOR INCLUDING OIL DETECTING DEVICE May 27, 2019 Abandoned
Array ( [id] => 16964552 [patent_doc_number] => 20210216051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => APPARATUS UNIT [patent_app_type] => utility [patent_app_number] => 15/734161 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 15734161 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734161
APPARATUS UNIT May 27, 2019 Abandoned
Array ( [id] => 18605309 [patent_doc_number] => 11746766 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Electric oil pump [patent_app_type] => utility [patent_app_number] => 17/050176 [patent_app_country] => US [patent_app_date] => 2019-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 24 [patent_no_of_words] => 6830 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 397 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17050176 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/050176
Electric oil pump May 26, 2019 Issued
Array ( [id] => 17007954 [patent_doc_number] => 20210239115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => ELECTRIC OIL PUMP [patent_app_type] => utility [patent_app_number] => 17/050195 [patent_app_country] => US [patent_app_date] => 2019-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17050195 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/050195
Electric oil pump May 26, 2019 Issued
Array ( [id] => 15255529 [patent_doc_number] => 20190376498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => Micro high-pressure air compressor [patent_app_type] => utility [patent_app_number] => 16/416168 [patent_app_country] => US [patent_app_date] => 2019-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 395 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16416168 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/416168
Micro high-pressure air compressor May 17, 2019 Abandoned
Array ( [id] => 16113219 [patent_doc_number] => 20200208632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => Compressor Having Oldham Keys [patent_app_type] => utility [patent_app_number] => 16/404124 [patent_app_country] => US [patent_app_date] => 2019-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5836 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16404124 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/404124
Compressor having Oldham keys May 5, 2019 Issued
Array ( [id] => 14687029 [patent_doc_number] => 20190242629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-08 [patent_title] => METHOD OF CONTROLLING ELECTRIC COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/389351 [patent_app_country] => US [patent_app_date] => 2019-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16389351 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/389351
METHOD OF CONTROLLING ELECTRIC COMPRESSOR Apr 18, 2019 Abandoned
Array ( [id] => 17697780 [patent_doc_number] => 11371499 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Pump control system and operating method thereof [patent_app_type] => utility [patent_app_number] => 16/386284 [patent_app_country] => US [patent_app_date] => 2019-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 16595 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16386284 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/386284
Pump control system and operating method thereof Apr 16, 2019 Issued
Array ( [id] => 18748967 [patent_doc_number] => 11808269 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Drainage pump assembly and method for controlling a drainage pump [patent_app_type] => utility [patent_app_number] => 17/047274 [patent_app_country] => US [patent_app_date] => 2019-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5492 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17047274 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/047274
Drainage pump assembly and method for controlling a drainage pump Apr 11, 2019 Issued
Array ( [id] => 17208327 [patent_doc_number] => 11168690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-09 [patent_title] => Integrated motor and pump including axially placed coils [patent_app_type] => utility [patent_app_number] => 16/381177 [patent_app_country] => US [patent_app_date] => 2019-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4985 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16381177 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/381177
Integrated motor and pump including axially placed coils Apr 10, 2019 Issued
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