Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RA

Robert Astle — 47 Patents

KTKx Technologies: 15 patents #5 of 61Top 9%
EPElectrolux Home Products: 13 patents #28 of 584Top 5%
3M: 9 patents #1,781 of 11,543Top 20%
ESEcowater Systems: 6 patents #6 of 63Top 10%
The Procter & Gamble: 2 patents #6,009 of 10,297Top 60%
TCTe Connectivity Co.: 2 patents #299 of 595Top 55%
EPElectrolux Consumer Products: 1 patents #3 of 32Top 10%
PPPur Water Purification Products: 1 patents #37 of 70Top 55%
Middlefield, CT: #1 of 49 inventorsTop 3%
Connecticut: #524 of 34,797 inventorsTop 2%
Overall (All Time): #59,703 of 4,157,543Top 2%
47 Patents All Time
Robert Astle has been granted 47 US patents while listed as an inventor at Kx Technologies. The first was granted in 2009 and the most recent in March 2025. Robert Astle ranks #59,703 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Robert Astle in Middlefield, CT, US.

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D1065432 Filter cartridge Thomas W. McCollough, William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small +4 more 2025-03-04
12168187 Filter interconnects utilizing magnetic shear force generated by coded polymagnets Garett Strandemo, Jordan Robert Fuhs, Matthew W. Hartmann, Gregory Gene Hortin, Jason N. Morgan 2024-12-17
12145088 Gravity-fed filter interconnect utilizing coded polymagnets Matthew W. Hartmann 2024-11-19
12138567 Filter interconnect using a correlated magnet torque design William Li, Bruno Chima 2024-11-12
11958003 Push filter with floating key lock George Nicholas Lauri, III, Stephen P. Huda, Michael J. Sherman, Steven J. Haehn, Erik R. Klimpel +8 more 2024-04-16
11953487 Apparatus for measuring water hardness using ion selective electrode Malcolm Kahn, Jeffrey Zimmerman, Ravi Meruva 2024-04-09
11944924 Filter interconnect using a magnetic shear force Matthew W. Hartmann 2024-04-02
11931679 Filter interconnect utilizing a magnetic repulsion force Matthew W. Hartmann, Garett Strandemo 2024-03-19
11865479 Filter base for electronic connection to mating filter housing assembly William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small, Marcello Correa Machado +10 more 2024-01-09
11845021 Filter interconnect utilizing correlated magnetic actuation for downstream system function William Li, Jason N. Morgan, Garett Strandemo, Matthew W. Hartmann 2023-12-19
11845025 Push filter with floating key lock George Nicholas Lauri, III, Stephen P. Huda, Michael J. Sherman, Steven J. Haehn, Erik R. Klimpel +8 more 2023-12-19
11794136 Filter interconnect using a correlated magnet torque design William Li, Bruno Chima 2023-10-24
11779865 Gravity-fed filter interconnect utilizing coded polymagnets Matthew W. Hartmann 2023-10-10
11757217 Electrical connector and wire harness assembly with compression contacts Chong Hun Yi, Brian Keith Weaver, William James Moyer, II, Ronald Skovira, Gary Altemose +10 more 2023-09-12
11724216 Filter interconnect using a correlated magnet torque design William Li, Bruno Chima 2023-08-15
11712645 Filter interconnect utilizing correlated magnetic actuation for downstream system function William Li, Garett Strandemo, Matthew W. Hartmann 2023-08-01
D969270 Filter cartridge Thomas W. McCollough, William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small +5 more 2022-11-08
11426685 Push filter with floating key lock George Nicholas Lauri, III, Stephen P. Huda, Michael J. Sherman, Steven J. Haehn, Erik R. Klimpel +8 more 2022-08-30
11413560 Push filter with floating key lock Thomas W. McCollough, William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small +6 more 2022-08-16
11391713 Apparatus for measuring water hardness using ion selective electrode Malcolm Kahn, Jeffrey Zimmerman, Ravi Meruva 2022-07-19
11326379 Filter interconnects utilizing magnetic shear force generated by coded polymagnets Garett Strandemo, Jordan Robert Fuhs, Matthew W. Hartmann, Gregory Gene Hortin, Jason N. Morgan 2022-05-10
D948660 Filter cartridge Thomas W. McCollough, William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small +5 more 2022-04-12
D948659 Filter cartridge Thomas W. McCollough, William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small +4 more 2022-04-12
D946703 Filter cartridge Thomas W. McCollough, William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small +4 more 2022-03-22
D946702 Filter cartridge Thomas W. McCollough, William Thomas Anniss, III, Willard Grant, Raony Barrios, William L. Small +5 more 2022-03-22