William J. Hicks has been granted 24 US patents while listed as an inventor at Saf-Holland . The first was granted in 1991 and the most recent in July 2025. William J. Hicks ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list William J. Hicks in Muskegon, MI, US.
Patents per Year Patents granted per year, 1991 to 2025 Bar chart with a peak of 4 patents in 1999. peak 4 1991: 1 patents 1991 1994: 1 patents 1998: 2 patents 1998 1999: 4 patents 2000: 3 patents 2000 2002: 1 patents 2005: 1 patents 2005 2008: 1 patents 2014: 2 patents 2014 2016: 2 patents 2017: 2 patents 2017 2021: 1 patents 2023: 1 patents 2023 2024: 1 patents 2025: 1 patents 2025 Issued Patents All Time
Showing 1–24 of 24 patents
Patent # Title Co-Inventors Date
12370983 Apparatus and method for lowering and raising a trailer Andrew L. Wallner , Tianyu Ling , Jeffrey S. Kemppainen 2025-07-29
12090971 Apparatus and method for lowering and raising a trailer Andrew L. Wallner , David Sun , Tianyu Ling , Patrick Salois , Brian M. Collins 2024-09-17
11787372 Apparatus and method for lowering and raising a trailer Andrew L. Wallner , David Sun , Tianyu Ling , Patrick Salois , Brian M. Collins 2023-10-17
11148645 Apparatus and method for lowering and raising a trailer Andrew L. Wallner , David Sun , Tianyu Ling , Patrick Salois , Brian M. Collins 2021-10-19
9637189 Axle lift assembly Jonathon Karel , Gary Greer 2017-05-02
9555844 Slider suspension assembly with compliant hold-down arrangement — 2017-01-31
9428233 Axle lift assembly Jonathon Karel , Gary Greer 2016-08-30
9403499 Energy absorbent slider stop and rear underride protection system — 2016-08-02
8870198 Axle lift assembly Jonathon Karel , Gary Greer 2014-10-28
8695998 Axle lift assembly Jonathon Karel , Gary Greer 2014-04-15
7416204 Lightweight narrow-span fifth wheel Roger L. Elkins , Steven C. Dupay , Mark M. Audo , Samuel A. Martin 2008-08-26
6916038 Vehicle suspension system Thomas A. McKenzie 2005-07-12
6431532 Variable geometry dampening and trailing arm suspension including same Thomas A. McKenzie 2002-08-13
6116626 Independent front suspension Herbert J. Cherry 2000-09-12
6028258 Drum bracket Marion J. Saalman 2000-02-22
6012378 Air brake actuator having increased output — 2000-01-11
6006651 Spring brake actuator with filtered service vent opening William C. Pierce , Steven M. Stojic 1999-12-28
6003433 Tamper-resistant brake actuator William C. Pierce 1999-12-21
5957032 Air-operated brake actuator mounting — 1999-09-28
5921532 Air spring with internal support member William C. Pierce , John Michael Douglass , Gregory Galazin , Daniel Greenzweig , Gregory A. Richardson 1999-07-13
5722311 Fluid-operated brake actuator with spring chamber isolation William C. Pierce , Steven M. Stojic 1998-03-03
5713238 Spring brake actuator with spring force measurement William C. Pierce 1998-02-03
5353688 Tamper-resistant brake actuator William C. Pierce 1994-10-11
5058916 Apparatus for providing additional lift in a retractable suspension — 1991-10-22