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] => 18045469 [patent_doc_number] => 11519411 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Virtual sensor for water content in oil circuit [patent_app_type] => utility [patent_app_number] => 16/686476 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4945 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16686476 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/686476
Virtual sensor for water content in oil circuit Nov 17, 2019 Issued
Array ( [id] => 15900011 [patent_doc_number] => 20200149524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => MINIATURE PIEZOELECTRIC PUMP MODULE [patent_app_type] => utility [patent_app_number] => 16/677942 [patent_app_country] => US [patent_app_date] => 2019-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16677942 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/677942
Miniature piezoelectric pump module Nov 7, 2019 Issued
Array ( [id] => 15558633 [patent_doc_number] => 20200063728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => ENERGY-STORING-TYPE HIGH PRESSURE ELECTRIC FUEL PUMP, FUEL-SUPPLYING APPARATUS, AND APPLICATIONS THEREOF [patent_app_type] => utility [patent_app_number] => 16/671327 [patent_app_country] => US [patent_app_date] => 2019-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16671327 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/671327
ENERGY-STORING-TYPE HIGH PRESSURE ELECTRIC FUEL PUMP, FUEL-SUPPLYING APPARATUS, AND APPLICATIONS THEREOF Oct 31, 2019 Abandoned
Array ( [id] => 16113215 [patent_doc_number] => 20200208630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => VANE PUMP HAVING HOLLOW PIVOT PIN WITH FASTENER [patent_app_type] => utility [patent_app_number] => 16/668175 [patent_app_country] => US [patent_app_date] => 2019-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3245 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 16668175 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/668175
VANE PUMP HAVING HOLLOW PIVOT PIN WITH FASTENER Oct 29, 2019 Abandoned
Array ( [id] => 15817917 [patent_doc_number] => 10634129 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-04-28 [patent_title] => Dual motor compressor [patent_app_type] => utility [patent_app_number] => 16/601174 [patent_app_country] => US [patent_app_date] => 2019-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5878 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16601174 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/601174
Dual motor compressor Oct 13, 2019 Issued
Array ( [id] => 17344460 [patent_doc_number] => 20220010791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => METHODS AND DEVICES FOR DRIVING A PIEZOELECTRIC PUMP [patent_app_type] => utility [patent_app_number] => 17/282279 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7289 [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] => 17282279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/282279
Methods and devices for driving a piezoelectric pump Oct 2, 2019 Issued
Array ( [id] => 18718605 [patent_doc_number] => 11795941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Using silicone o-rings in dual action irrigation pump [patent_app_type] => utility [patent_app_number] => 16/585264 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 6023 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16585264 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/585264
Using silicone o-rings in dual action irrigation pump Sep 26, 2019 Issued
Array ( [id] => 19258630 [patent_doc_number] => 12018678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Oil-injected multi-stage compressor system and procedure for controlling such a compressor system [patent_app_type] => utility [patent_app_number] => 17/273422 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3136 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17273422 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273422
Oil-injected multi-stage compressor system and procedure for controlling such a compressor system Sep 23, 2019 Issued
Array ( [id] => 16721140 [patent_doc_number] => 20210088287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => WATER-COOLING PUMP STRUCTURE WITH CHECK VALVES AND WATER-COOLING MODULE THEREOF [patent_app_type] => utility [patent_app_number] => 16/576788 [patent_app_country] => US [patent_app_date] => 2019-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16576788 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/576788
WATER-COOLING PUMP STRUCTURE WITH CHECK VALVES AND WATER-COOLING MODULE THEREOF Sep 19, 2019 Abandoned
Array ( [id] => 17386463 [patent_doc_number] => 20220034315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => ELECTRIC OIL PUMP [patent_app_type] => utility [patent_app_number] => 17/290305 [patent_app_country] => US [patent_app_date] => 2019-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17290305 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/290305
Electric oil pump Sep 19, 2019 Issued
Array ( [id] => 20144631 [patent_doc_number] => 12378964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Gas compressor [patent_app_type] => utility [patent_app_number] => 17/279398 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17279398 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/279398
Gas compressor Sep 10, 2019 Issued
Array ( [id] => 15620313 [patent_doc_number] => 20200080561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => LIGHTWEIGHT VACUUM PUMP WITH OXIDIZED SURFACES [patent_app_type] => utility [patent_app_number] => 16/566594 [patent_app_country] => US [patent_app_date] => 2019-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16566594 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/566594
LIGHTWEIGHT VACUUM PUMP WITH OXIDIZED SURFACES Sep 9, 2019 Abandoned
Array ( [id] => 19441871 [patent_doc_number] => 12092117 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Centrifugal pump unit [patent_app_type] => utility [patent_app_number] => 17/275313 [patent_app_country] => US [patent_app_date] => 2019-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 57 [patent_no_of_words] => 8607 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17275313 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/275313
Centrifugal pump unit Sep 9, 2019 Issued
Array ( [id] => 20241637 [patent_doc_number] => 12421947 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Actuator for a reciprocating pump [patent_app_type] => utility [patent_app_number] => 17/268393 [patent_app_country] => US [patent_app_date] => 2019-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6856 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17268393 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268393
Actuator for a reciprocating pump Aug 15, 2019 Issued
Array ( [id] => 17514287 [patent_doc_number] => 11293429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Fluid control device [patent_app_type] => utility [patent_app_number] => 16/538962 [patent_app_country] => US [patent_app_date] => 2019-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 56 [patent_no_of_words] => 18745 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16538962 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/538962
Fluid control device Aug 12, 2019 Issued
Array ( [id] => 19181627 [patent_doc_number] => 11988211 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Vacuum pump [patent_app_type] => utility [patent_app_number] => 17/263957 [patent_app_country] => US [patent_app_date] => 2019-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2988 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17263957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/263957
Vacuum pump Jul 31, 2019 Issued
Array ( [id] => 17112630 [patent_doc_number] => 20210293227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => HIGH-PRESSURE HOMOGENISER [patent_app_type] => utility [patent_app_number] => 17/258417 [patent_app_country] => US [patent_app_date] => 2019-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1737 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 17258417 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/258417
HIGH-PRESSURE HOMOGENISER Jul 29, 2019 Abandoned
Array ( [id] => 17954076 [patent_doc_number] => 11480174 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Compressor unit for refrigerating machine for domestic or commercial use and refrigerating machine for domestic or commercial use which comprises it [patent_app_type] => utility [patent_app_number] => 16/524936 [patent_app_country] => US [patent_app_date] => 2019-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2666 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16524936 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/524936
Compressor unit for refrigerating machine for domestic or commercial use and refrigerating machine for domestic or commercial use which comprises it Jul 28, 2019 Issued
Array ( [id] => 18103070 [patent_doc_number] => 11542951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Gas compressor and control method therefor [patent_app_type] => utility [patent_app_number] => 16/978506 [patent_app_country] => US [patent_app_date] => 2019-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 3915 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16978506 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/978506
Gas compressor and control method therefor Jul 25, 2019 Issued
Array ( [id] => 16992705 [patent_doc_number] => 20210231125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => FAN COMPRISING A COOLING BODY CONSISTING OF HEAT-CONDUCTIVE PLASTIC [patent_app_type] => utility [patent_app_number] => 15/734809 [patent_app_country] => US [patent_app_date] => 2019-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734809 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734809
FAN COMPRISING A COOLING BODY CONSISTING OF HEAT-CONDUCTIVE PLASTIC Jul 24, 2019 Abandoned
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