IP Library › Granted Patent US 1,103,547
Granted Patent S1
US 1,103,547 · App. 29/870,821 · Granted Nov 25, 2025

Fall protection safety rail trolley

Inventors: Murray Voss (Boronia, AU); Barry Voss (Boronia, AU)
Assignee: SAYFA R&D PTY LTD
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Quick Facts
Patent No.
US 1,103,547
App. No.
29/870,821
Granted
Nov 25, 2025
Kind
S1
Claims (1)

The ornamental design for a fall protection safety rail trolley as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 6, 2023
From: VOSS, MURRAY; VOSS, BARRY
To: SAYFA R&D PTY LTD
Reel/Frame 062603/0338 →
Priority Claims (1)
AU 202217755 · Dec 22, 2022 · national
References Cited (34)
US 667868A · Cook · 1901 [cited by examiner]
US 951214A · Hescock · 1910 [cited by examiner]
US 1035922A · True · 1912 [cited by examiner]
US 1151226A · Steedman · 1915 [cited by examiner]
US 1179430A · Hescock · 1916 [cited by examiner]
US 1390981A · Butler · 1921 [cited by examiner]
US 1577458A · Fish · 1926 [cited by examiner]
US 1646217A · Richter · 1927 [cited by examiner]
US 2435418A · Wright · 1948 [cited by examiner]
US 2611326A · Cosby · 1952 [cited by examiner]
US 2893518A · Vanderbeck · 1959 [cited by examiner]
US 3139175A · Wells · 1964 [cited by examiner]
US 3602150A · Frost · 1971 [cited by examiner]
US 4248157A · Evans · 1981 [cited by examiner]
US 4343240A · Nishimura · 1982 [cited by examiner]
US 4464997A · Dehne · 1984 [cited by examiner]
US 4993328A · Wendt · 1991 [cited by examiner]
US 6220176B1 · Gersemsky · 2001 [cited by examiner]
US 8453802B1 · Simpson · 2013 [cited by examiner]
US 9802792B2 · Kwon · 2017 [cited by examiner]
US 10266183B1 · Napieralski · 2019 [cited by examiner]
US 10661995B2 · Cho · 2020 [cited by examiner]
US 12357852B2 · Voss · 2025 [cited by examiner]
US 20120160126A1 · Rathbun · 2012 [cited by examiner]
US 20240100374A1 · Voss · 2024 [cited by examiner]
CN 309231438 · 2025 [cited by examiner]
GB 6260524 · 2023 [cited by examiner]
NZ 4316070001 · 2022 [cited by examiner]
Haul-Master 1 Ton Push Beam Trolley (online), (dated: Aug. 24, 2010) Retrieved from Internet (May 31, 2025), URL: https://www.harborfreight.com/automotive/lifts-cranes-stands/shop-cranes/push-beam-trollies/1-ton-push-tr… [cited by examiner]
Ultimation I-Beam Trolley (online), (dated: Nov. 12, 2020) Retrieved from Internet (May 31, 2025), URL: https://www.ultimationinc.com/replacement-parts/beam-trolleys/10705-beam-trolley/ (Year: 2020). [cited by examiner]
Frontline TRR38 Vertical Ladder System Trolley (online), (dated: Feb. 5, 2023) Retrieved from Internet (May 31, 2025), URL: https://frontlinefall.com/frontline-trr38-vertical-ladder-system-trolley (Year: 2023). [cited by examiner]
I-Beam Trolleys DBI-Sala 2103143 (online), Retrieved from Internet (May 31, 2025), URL: https://www.globalindustrial.com/p/trolley-3-8-adj-assy-2103143 (Year: 2025). [cited by examiner]
Kattsafe OH130 rigid stealth rail trolley (online), (dated: Mar. 30, 2025) Retrieved from Internet (May 31, 2025), URL: https://kattsafe.com.au/products/rigid-rails/rigid-stealth-rail/oh130-rigid-stealth-rail-trolley-fi… [cited by examiner]
Oz Lifting Quick Adjust Beam Trolley (online), (dated: Mar. 26, 2025) Retrieved from Internet (May 31, 2025), URL: https://www.internetrigging.com/products/quick-adjust-trolley (Year: 2025). [cited by examiner]